# Gateway to Cyber Security and Computer Networks Learning | Ctrl + Alt + Learn + Secure. > ICT Knowledge Base ## Posts - [Computer Processor 32 Bit vs. 64 Bit](https://ictkb.com/computer-processor-32-bit-vs-64-bit/): When it comes to computers, the difference between 32-bit and a 64-bit is all about processing power. Computers with 32-bit processors are older, slower, and less secure, while a 64-bit processor is newer, faster, and more secure. But what do the numbers 32 and 64 even mean?Your computer’s central processing unit (CPU) functions like the brain of your computer. It controls all the communication and the flow of data to and from the other parts of your computer. Some computers use two or more processors. However, there are only two main categories of processors now: 32-bit processors and 64-bit processors. The […] - [What is Botnet Attack](https://ictkb.com/what-is-botnet-attack/): A bot is a piece of malware that infects a computer to carry out commands under the remote control of the attacker. A botnet (short for robot network) is a network of computers infected by malware that are under the control of a single attacking party, known as the bot-herder. Each individual machine under the control of the bot-herder is known as a bot. From one central point, the attacking party can command every computer on its botnet to simultaneously carry out a coordinated criminal action. The scale of a botnet (many comprised of millions of bots) enable the attacker to […] - [Set up multiple monitors on Windows](https://ictkb.com/set-up-multiple-monitors-on-windows/): Getting another monitor can help you stay productive and organized. If you’re the type of person that opens lots of programs at once, cramming all of them in one monitor can quickly clutter up your screen. With two monitors, you can surf the web on one monitor, while you watch a movie on the second one. Whatever reasons you have, here’s how to set up dual monitors on a Windows 10 computer. The Internet has become a vital part in almost everyone’s life in this century. Nobody can afford to work with a slow internet. In this case, we always look […] - [Dark Web, Deep Web and Surface Web](https://ictkb.com/dark-web-deep-web-and-surface-web/): If we imagine web as an ocean, the surface web is the top of the ocean which appears to spread for miles around, and which can be seen easily or “accessible”; the deep web is the deeper part of the ocean beneath the surface; the dark web is the bottom of the ocean, a place accessible only by using special technologies. Today, data extraction is one of the most powerful tools enabling you to stay up-to-date with market developments, gain market intelligence, and become competitive in your industry. But extracting data only from surface web pages is usually not enough. There […] - [Zero Trust Security Model (ZTNA)](https://ictkb.com/zero-trust-security-model-ztna/): Zero Trust security is an IT security model that requires strict identity verification for every person and device trying to access resources on a private network, regardless of whether they are sitting within or outside of the network perimeter. ZTNA is the main technology associated with Zero Trust architecture; but Zero Trust is a holistic approach to network security that incorporates several different principles and technologies. More simply : traditional IT network security trusts anyone and anything inside the network. A Zero Trust architecture trusts no one and nothing. Zero Trust security means that no one is trusted by default from […] - [Tips for Troubleshooting Microsoft Outlook](https://ictkb.com/tips-for-troubleshooting-microsoft-outlook/): Microsoft Outlook is the most popular business software program in the world, and its top ranking is well deserved. It manages so much of our business and personal life in one big window. Because we rely on it for our e-mail communications, meeting scheduling, and contact management, what happens when it does not work right? How do you go about troubleshooting it? Let’s know the simple tricks so you can troubleshoot Outlook yourself. Outlook Won’t Open or LaunchWhen Outlook is having trouble launching, you might see an error message saying “Outlook is stuck on processing” or “Loading Profile”—or, sometimes, nothing happens, […] - [VLAN and Switch Port | Types and Configuration](https://ictkb.com/vlan-and-switch-port-types-and-configuration/): A VLAN is a group of devices on one or more LANs that are configured to communicate as if they were attached to the same wire, when in fact they are located on a number of different LAN segments. Because VLANs are based on logical instead of physical connections, they are extremely flexible. VLANs define broadcast domains in a Layer 2 network. A broadcast domain is the set of all devices that will receive broadcast frames originating from any device within the set. Broadcast domains are typically bounded by routers because routers do not forward broadcast frames. Layer 2 switches create […] - [L2 Switching | MAC Learning, Aging and Removing](https://ictkb.com/l2-switching-mac-learning-aging-and-removing/): Switching is process to forward packets coming in from one port to a port leading towards the destination. When data comes on a port it is called ingress, and when data leaves a port or goes out it is called egress. A communication system may include number of switches and nodes. At broad level, switching can be divided into two major categories: Connectionless:The data is forwarded on behalf of forwarding tables. No previous handshaking is required and acknowledgements are optionl. Connection Oriented:Before switching data to be forwarded to destination, there is a need to pre-establish circuit along the path between both […] - [Let’s understand DMZ – Demilitarized Zone](https://ictkb.com/lets-understand-dmz-demilitarized-zone/): A DMZ  or demilitarized zone is a perimeter network that protects and adds an extra layer of security to an organization’s internal local-area network from untrusted traffic. The purpose of a DMZ is to add an additional layer of security to an organization’s local area network (LAN); an external attacker only has access to equipment in the DMZ, rather than any other part of the network. The name is derived from the term “demilitarized zone”, an area between nation states in which military action is not permitted. It is common practice to have a firewall and demilitarized zone (DMZ) on your […] - [Basic Linux Command Syntax](https://ictkb.com/basic-linux-command-syntax/): Here we will deals exclusively with the CLI or Command Line Interface, rather than a GUI or Graphical User Interface you may be familiar with. The CLI terminal is a powerful tool that is often the primary method used to administer small low-power devices, extremely capable cloud computing servers, and everything in between. A basic understanding of the terminal is essential to diagnosing and fixing most Linux based systems. Since Linux has now become so ubiquitous, even those who plan on working primarily with systems not utilizing the Linux kernel can benefit from having a basic understanding of the terminal. What […] - [Delete Windows.old folder on Windows](https://ictkb.com/delete-windows-old-folder-on-windows/): When you upgrade your computer to a new version of Windows 10, or you install a preview build, the installation process saves a copy of the previous version in the “Windows.old” folder. This is part of the safety mechanism in case the upgrade process goes wrong. If the installation fails for any reason, the system can use the Windows.old older to undo the changes. Also, if the upgrade completes successfully, the backup copy of the previous version will be kept to provide the option to rollback in the case the new installation is causing issues. Although this is a handy feature, […] - [Firewall types (Network based Vs Host based)](https://ictkb.com/firewall-types-network-based-vs-host-based/): Nowadays protecting IT assets is most important and critical part for anyone. A “Firewall” is one of the most popular computer and network security devices that professionals use to protect their enterprise IT assets and networks. Just like a fire-resistant door in buildings which protects rooms from a possible fire and stops the spreading of flames within the building, the security firewall has a similar function to prevent malicious packets and traffic from entering and harming your protected computer assets. Network based Firewall A network-based firewall controls traffic going in and out of a network. It does this by filtering traffic […] - [IP Subnet Cheat sheet](https://ictkb.com/ip-subnet-cheat-sheet/): Struggling when you have to work on CIDR, Subnet mask and IP’s for CIDR? Look at below sheet for your convenience. Bookmark this fast. CIDR Subnet Mask No. of IP’s /32 255.255.255.255 1 /31 255.255.255.254 2 /30 255.255.255.252 4 /29 255.255.255.248 8 /28 255.255.255.240 16 /27 255.255.255.224 32 /26 255.255.255.192 64 /25 255.255.255.128 128 /24 255.255.255.0 256 /23 255.255.254.0 512 /22 255.255.252.0 1,024 /21 255.255.248.0 2,048 /20 255.255.240.0 4,096 /19 255.255.224.0 8,192 /18 255.255.192.0 16,384 /17 255.255.128.0 32,768 /16 255.255.0.0 65,536 /15 255.254.0.0 131,072 /14 255.252.0.0 262,144 /13 255.248.0.0 524,288 /12 255.240.0.0 1,048,576 /11 255.224.0.0 2,097,152 /10 255.192.0.0 4,194,304 /9 255.128.0.0 […] - [Let's Configure Domain name Server (DNS)](https://ictkb.com/lets-configure-domain-name-server-dns/): let’s configure DNS server. Perform this task to configure the device as a DNS server. A Cisco IOS device can provide service to DNS clients, acting as both a caching name server and as an authoritative name server for its own local host table. When configured as a caching name server, the device relays DNS requests to other name servers that resolve network names into network addresses. The caching name server caches information learned from other name servers so that it can answer requests quickly, without having to query other servers for each transaction. When configured as an authoritative name server […] - [Let's understand Domain name Server (DNS)](https://ictkb.com/lets-understand-domain-name-server-dns/): The internet has become an integral part of our lives, allowing us to access information, connect with others, and conduct business transactions seamlessly. Behind the scenes, numerous systems work together to ensure this smooth operation. One such vital component is the Domain Name System (DNS). Understanding how DNS works is essential for anyone who wants to grasp the fundamentals of how websites are accessed and how the internet functions as a whole. DNS is a host name to IP address translation service. DNS is a distributed database implemented in a hierarchy of name servers. It is an application layer protocol for […] - [Understand your Internet Speed. MBps vs. Mbps](https://ictkb.com/understand-your-internet-speed-mbps-vs-mbps/): One thing that often gives people confusion is the difference between a Megabyte (MB) and a Megabit (Mb). People often assume that a download speed of 1 Megabit per second (1 Mbps) will allow them to download a 1 Megabyte (MBps) file in one second. This is not the case. Internet speed is measured in bits: bits, kilobits, megabits.These are written with a lowercase ‘b’: b, Kb, Mb File size is measured in bytes: bytes, kilobytes, megabytes.These are written with an uppercase ‘B’: B, KB, MB One byte is eight bits, so a kilobyte is eight times as large as a […] - [Configure Router as Access Point](https://ictkb.com/configure-router-as-access-point/): The Internet has become a vital part in almost everyone’s life in this century. Nobody can afford to work with a slow internet. In this case, we always look for upgrades and ways to enhance our internet speed. We would never like to miss a chance to upgrade our routers or modems for better and extended connectivity. But, what would one do with the old router after getting a new one? We can’t just throw it away. But we can reuse it. We can reuse it to increase the extent of the network coverage throughout our home. The best way to […] - [Windows Domain Name Server (DNS) Configuration](https://ictkb.com/domain-name-system-dns-server-configuration/): The Domain Name System (DNS) is the phonebook of the Internet. When users type domain names such as ‘google.com’ or ‘nytimes.com’ into web browsers, DNS is responsible for finding the correct IP address for those sites. Browsers then use those addresses to communicate with origin servers or CDN edge servers to access website information. This all happens thanks to DNS servers: machines dedicated to answering DNS queries. DNS is a hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or a private network. It associates various information with domain names assigned to each of the […] - [IPv6 Addressing and Prefix](https://ictkb.com/ipv6-addressing-and-prefix/): An Internet Protocol Version 6 address (IPv6 address) is a numerical label that is used to identify a network interface of a computer or a network node participating in an IPv6 computer network and for locating it in the network. IP addresses are transmitted in the fields of the packet header to indicate the source and the destination of each network packet. The IP address of the destination address is used to make decisions about routing IP packets to other networks. IPv6 is the successor to the first addressing infrastructure of the Internet, Internet Protocol version 4 (IPv4). In contrast to […] - [Public and Private IPv4 addressing](https://ictkb.com/public-and-private-ipv4-addressing/): Private IP’s were originally meant as a more secure means of providing IPv4 addresses to devices because private IP’s are not routable over the internet. You do have to turn them into some sort of public address if you want to route over the internet. That could be via a public IPv4 or IPv6 address. Public IP Addressing A public IP address is an IP address that your home or business router receives from your ISP. Public IP addresses are required for any publicly accessible network hardware such as a home router and the servers that host websites. Public IP addresses […] - [IPv4 Addressing and Subnetting](https://ictkb.com/ipv4-addressing-and-subnetting/): Communication between hosts can happen only if they can identify each other on the network. In a single collision domain (where every packet sent on the segment by one host is heard by every other host) hosts can communicate directly via MAC address. MAC address is a factory coded 48-bits hardware address which can also uniquely identify a host. But if a host wants to communicate with a remote host, i.e. not in the same segment or logically not connected, then some means of addressing is required to identify the remote host uniquely. A logical address is given to all hosts […] - [Remote Desktop setup](https://ictkb.com/remote-desktop-setup/): Remote Desktop Services (RDS) is the platform of choice for building virtualization solutions for every end customer need, including delivering individual virtualized applications, providing secure mobile and remote desktop access, and providing end users the ability to run their applications and desktops from the cloud. DS offers deployment flexibility, cost efficiency, and extensibility—all delivered through a variety of deployment options, including Windows Server 2016/2019 for on-premises deployments, Microsoft Azure for cloud deployments, and a robust array of partner solutions. Depending on your environment and preferences, you can set up the RDS solution for session-based virtualization, as a virtual desktop infrastructure (VDI), […] - [TCP 3-Way handshake and Compare TCP & UDP](https://ictkb.com/tcp-3-way-handshake-and-compare-tcp-udp/): The key difference between TCP and UDP is that TCP provides a wide variety of services to applications, whereas UDP does not. For example, routers discard packets for many reasons, including bit errors, congestion, and instances in which no correct routes are known. As you have read already, most data-link protocols notice errors (a process called error detection) but then discard frames that have errors. TCP provides retransmission (error recovery ) and helps to avoid congestion (flow control), whereas UDP does not. As a result, many application protocols choose to use TCP. Each TCP/IP application typically chooses to use either TCP […] - [OSI Model and TCP/IP Model](https://ictkb.com/osi-model-and-tcp-ip-model/): The OSI transport layer (Layer 4) defines several functions, the most important of which are error recovery and flow control. Likewise, the TCP/IP transport layer protocols also implement these same types of features. Note that both the OSI model and the TCP/IP model call this layer the transport layer. But as usual, when referring to the TCP/IP model, the layer name and number are based on OSI, so any TCP/IP transport layer protocols are considered Layer 4 protocols. Let’s know about OSI reference and TCP/IP model: OSI Reference Model A network reference model serves as a blueprint, dictating how network communication […] - [Windows Server initial setup](https://ictkb.com/windows-server-initial-setup/): As a part of installation of Windows Server 2019 installation, initial setup is required. Let’s perform initial setup: Add Local User Step 1: Run Server Manager and Open Tools -> Computer Management. Step 2: Right-Click Users under the Local Users and Groups on the left pane and select New User. Step 3: Input User Name and Password for a new user and click Create button. Other items are optional to set. Step 4: After creating normally, New user is shown on the list like follows. Step 5: If you’d like to set administrative privilege’s to the new user, Right-click the user and open Properties. Step 6: Move to Member of tab and click Add button. Step […] - [Installing Windows Server](https://ictkb.com/installing-windows-server/): To use Windows Server, buy it.However, it’s possible to try to use Evaluation Version of Windows Server for 180 days. You can download the ISO file of Evaluation Version from the site blow after user registration. https://www.microsoft.com/en-us/evalcenter/evaluate-windows-server-2025 Install Windows Server Step 1: Insert Windows Server install media and start the Computer, Then, Following screen is displayed, Proceed next to click [Next] button. Step 2: Click [Install Now] to start installation. Step 3: Select the edition of Windows server you’d like to install. Step 4: Read License Terms Well and check a box [I accept ***] to proceed next. Step 5: For newly installation of Windows server, select [Custom: […] - [Useful IP commands for Windows](https://ictkb.com/useful-ip-commands-for-windows/): IP Command Output ipconfig/all display full ip configuration ipconfig/release release all ip configuration ipconfig/release6 release ipv6 address for specified adaptor ipconfig/renew renew the ip configuration from DHCP server ipconfig/renew6 renew the ipv6 address for specified adaptor ipconfig/displaydns displays DNS cache ipconfig/flushdns clear DNS cache ipconfig/registerdns re-register DNS connection ipconfig/setclassid change/modify DHSP class ID ncpa.cpl open network adaptor connections control netconnections open network adaptor connections netsetup.cpl open network setup wizard ping x.x.x.x checks network connectivity to specified tracert trace ip route netstat displays TCP/IP protocol sessions route displays local route arp displays resolved MAC addresses ipconfig/showclassid displays DHCP class information ipconfig/showclassid6 displays […] - [Must know Wireshark filters](https://ictkb.com/must-know-wireshark-filters/): Wireshark is a powerful tool that can be used to troubleshoot network problems, analyze network traffic, and learn about network protocols. It is a valuable tool for network administrators, security professionals, and anyone else who wants to learn more about how networks work. Below we will know must know Wireshark filters for anyone who into IT: Description Filter Remarks Filter by IP address ip.addr == x.x.x.x “x.x.x.x” is IP address you want to filter Filter by IP address range ip.addr >= x.x.x.x and ip.addr <=y.y.y.y “x.x.x.x” and “y.y.y.y” are start and end IP address of the range Filter by network interface […] - [Disable USB Ports to Prevent Malware Infection](https://ictkb.com/disable-usb-ports-to-prevent-malware-infection/): Malware can arrive via connected USB devices on your PC. Today we some how to shut off USB ports to prevent that possible method of attack. If you use your laptop or computer in shared spaces such as cafes, libraries, or even offices, you should disable the computer’s USB ports. Additionally, you should not plug any found or unknown USB in your computer, it may contain malware. This will keep your system safe from malware and stop your data from being stolen. Before you choose and try one of the listed methods, make sure you’ve logged into an administrator account. Otherwise, […] - [Security Misconfiguration | Importance & Prevention](https://ictkb.com/security-misconfiguration-importance-prevention/): Website security is a critical concern for businesses, organizations, and individuals. One of the most common website security threats is security misconfiguration. Security misconfiguration refers to the improper setup or configuration of a website or web application, which can make it vulnerable to attacks. In this blog, we’ll discuss the importance of proper configuration and how it can help prevent security misconfiguration. What is security misconfiguration? Security misconfiguration is a broad category that encompasses a variety of issues, including: Why is it important to prevent security misconfiguration? Security misconfiguration can lead to a wide range of security threats, including: How to […] - [Broken Access Control](https://ictkb.com/broken-access-control/): Access control is a crucial element in maintaining the integrity and confidentiality of information. Access control ensures that only authorized users can access sensitive information, thereby protecting it from unauthorized access, modification, or theft. However, if access control measures are not implemented properly, it can lead to a vulnerability called “Broken Access Control,” which can have severe consequences for an organization. What is Broken Access Control? Broken Access Control is a vulnerability that arises when an application’s access controls are not implemented correctly, allowing unauthorized users to access sensitive data or perform actions that they should not have access to. This […] - [Interface and cable issues : CSMA/CD, Duplex, Speed](https://ictkb.com/interface-and-cable-issues-csma-cd-duplex/): Here are several potential sources of interface errors, including interface discards when there is insufficient bandwidth to support the traffic volume, misconfigured duplex and speed settings, excessive buffering on interfaces, misconfigured EtherChannel’s, and faulty cables or hardware. CSMA/CD Carrier-sense multiple access with collision detection (CSMA/CD) is a media access control (MAC) method used most notably in early Ethernet technology for local area networking. It uses carrier-sensing to defer transmissions until no other stations are transmitting. This is used in combination with collision detection in which a transmitting station detects collisions by sensing transmissions from other stations while it is transmitting a […] - [Upgrade PaloAlto Firewall in HA mode](https://ictkb.com/upgrade-paloalto-firewall-in-ha-mode/): Upgrading software is continuous and non ending process for networking devices to secure your network infrastructure. Specially when we are facing continuous cyber attack over network infrastructure, upgrading software to latest available version helps to prevent loosing data. Upgrade can be Major, Minor or Hotfix for specific bug and and each upgrade adds more security to your infrastructure. In this post we will discuss about upgrading procedure for Paloalto networks. Paloalto software is called PANOS and currently PAN OS 10 is latest one. We will see how to upgrade Paloalto device in High Availability (HA) cluster. Software version can be listed […] - [Get Free eBooks](https://ictkb.com/get-free-it-books/): Hey! Looking to download free books? No worries! Navigate below and download latest Networking and Security books. Cisco CCNA 200-301 e-Book, CCNA Security e-Book, CCNA Cyber Ops e-Book and CCNP Enterprise e-Book. Books Link CCNA 200-301 Vol.1 Download CCNA 200-301 Vol.2 Download CCNA Security 210-260 Download CCNA Cyber Ops 210-255 Download CCNP Enterprise 300-410 Download - [How to Use the Windows Registry Editor](https://ictkb.com/how-to-use-the-windows-registry-editor/): The Windows Registry Editor is a powerful tool that allows you to edit various settings and configurations on your Windows PC. It’s essential to use the Registry Editor carefully because modifying the wrong settings can cause problems with your system. In this blog post, we’ll cover the basics of using the Windows Registry Editor and how to use it safely and effectively. In conclusion, the Windows Registry Editor is a powerful tool that allows you to edit various settings and configurations on your Windows PC. By understanding how to use the Registry Editor safely and effectively, you can make changes that […] - [Speed Up Your Windows PC](https://ictkb.com/speed-up-your-windows-pc/): Is your Windows PC running slow? Does your application take forever to load or launch? Don’t worry; you’re not alone. Many people experience slow performance on their Windows PC, but there are ways to speed up your system. This blog post covers some of the best tips and tricks to help speed up your Windows PC. Remove unnecessary programs: If you have programs installed on your PC that you don’t use, it’s a good idea to remove them. Go to Control Panel > Programs and Features and uninstall programs you no longer need. This frees up disk space and makes your […] - [Windows Server File Server Installation and Setup](https://ictkb.com/windows-server-file-server-installation-and-setup/): A file server is a central server in a computer network that provides file systems or at least parts of a file system to connected clients. File servers therefore offer users a central storage place for files on internal data media, which is accessible to all authorized clients. Here, the server administrator defines strict rules […] - [Windows Server FTP Server Installation and Setup](https://ictkb.com/windows-server-ftp-server-installation-and-setup/): The File Transfer Protocol (FTP) is a standard communication protocol used for the transfer of computer files from a server to a client on a computer network. FTP is built on a client–server model architecture using separate control and data connections between the client and the server. FTP users may authenticate themselves with a clear-text […] - [AI Keywords You Should Know Before Building Anything with AI](https://ictkb.com/ai-keywords-you-should-know-before-building-anything-with-ai/): If you’ve been reading about AI, you’ve probably come across words like Transformers, LLMs, Agent Loops, Vector Embeddings, or LoRA and wondered… “What do these actually mean?” If you already know these terms, that’s great. If not, don’t worry, you don’t need a PhD in AI to understand them. Let’s break down the most important […] - [Application of AI and ML in Network Operations](https://ictkb.com/application-of-ai-and-ml-in-network-operations/): Modern networks have become far more complex than they were just a decade ago. Enterprises now manage thousands of connected devices, cloud services, remote users, IoT sensors, and hybrid infrastructures—all generating massive amounts of network data every second. Managing this complexity manually is no longer practical. This is where Artificial Intelligence (AI) and Machine Learning […] - [Loop Engineering: The Future of AI Development](https://ictkb.com/loop-engineering-the-future-of-ai-development/): Artificial Intelligence has evolved rapidly over the last few years. We began with simple chatbots that answered questions from a single prompt. Then came large language models capable of writing code, creating content, solving mathematical problems, and even controlling software tools. Now, AI is entering a completely new era. Instead of simply responding to prompts, […] - [Windows Server Admin Center](https://ictkb.com/windows-server-admin-center/): Windows Admin Center is your remote management tool for Windows Server running anywhere–physical, virtual, on-premises, in Azure, or in a hosted environment–at no additional cost. Windows Admin Center offers “flexible, locally-deployed, browser-based management platform and tools”. The idea behind this project is to help simplify management of servers by placing a majority of the frequently […] - [How AI Learns](https://ictkb.com/how-ai-learns/): AI learns by analyzing data, recognizing patterns, and improving its performance over time. In the realm of Machine Learning (ML), there are various approaches through which algorithms can learn and improve. Supervised Learning Supervised learning is a method where the AI system is trained using labeled datasets. For example, in network security, supervised machine learning […] - [Model Context Protocol (MCP)](https://ictkb.com/model-context-protocol-mcp/): Model Context Protocol (MCP) is a standard protocol that enables AI models to safely and efficiently interact with external tools, data, and workflows. It is a cross-platform interface for connecting AI models to tools and data sources. Think of it as the USB-C of AI integration. Just as USB-C connects any device to any cable, […] - [Multi-Step AI Workflow Design](https://ictkb.com/multi-step-ai-workflow-design/): When you build AI workflows, the difference between something that works once and something that works reliably in production comes down to a few core principles. People don’t fail because AI is hard — they fail because workflows are unclear. Let’s simplify everything. The 3 Core Principles of Workflow Design A good workflow is like […] - [Prompt Engineering](https://ictkb.com/prompt-engineering/): Prompt engineering is the practice of designing and refining inputs (prompts) to effectively and predictably guide a Generative AI model toward a desired output. It’s less about “engineering” in a formal sense and more about practical communication. It is the skill of providing instructions with sufficient clarity, context, and constraint so that the AI can […] - [Paloalto Scenario based questions and answers](https://ictkb.com/paloalto-scenario-based-questions-and-answers/): Preparing for a Palo Alto interview requires more than understanding concepts—it requires practical problem-solving. In this blog, we share essential Palo Alto scenario-based interview questions and answers to help you confidently handle real-world firewall scenarios. 🧱 Troubleshooting Website Access Issue Scenario: A user (192.168.1.20) reports they cannot access example.com, but they can access other websites. […] - [Snort IDS/IPS Explained: How It Detects and Prevents Network Threats](https://ictkb.com/snort-ids-ips-explained-how-it-detects-and-prevents-network-threats/): As cyber threats continue to grow in complexity, organizations need stronger visibility into network activity. Snort is a widely used Network Intrusion Detection System (NIDS) and Network Intrusion Prevention System (NIPS) designed to detect, analyze, and block malicious network traffic in real time. What is Snort? Snort is an open-source intrusion detection and prevention system […] - [Generating CSR with SAN in FortiGate CLI](https://ictkb.com/generating-csr-with-san-in-fortigate-cli/): Securing administrative access to your FortiGate firewall is critical, especially when accessing the GUI over HTTPS. One common issue administrators face is browser warnings caused by missing or incorrect Subject Alternative Name (SAN) entries in SSL certificates. Let’s go through generating a Certificate Signing Request (CSR) with SAN using the FortiGate CLI, so you can […] - [Windows Deployment Services (WDS) Installation and Setup](https://ictkb.com/windows-deployment-services-wds-installation-and-setup/): Windows Deployment Services (WDS) enables you to deploy Windows operating systems over the network, which means that you do not have to install each operating system directly from a CD or DVD. WDS is a server role that enables you to remotely deploy Windows operating systems. You can use it to set up new computers […] - [Web Server (IIS) Installation and Setup](https://ictkb.com/web-server-iis-installation-and-setup/): An IIS web server runs on the Microsoft .NET platform on the Windows OS. Internet Information Services server (IIS server) is a Windows Server-based web application used to deliver website content over the internet to an end user. Internet Information Services is an installable server role, and it is bundled with all Microsoft Windows Server […] - [AI Hacking vs. Traditional Hacking](https://ictkb.com/ai-hacking-vs-traditional-hacking/): AI hackers use AI to automate, enhance, and scale AI cyberattacks, allowing them to carry out complex operations with minimal effort. Unlike traditional hacking, which often requires manual coding, deep technical knowledge, and significant time investment, AI-driven attacks can be launched quickly and efficiently. The biggest difference between AI hacking and traditional methods lies in […] - [Configure FMC Remote Schedule Backup](https://ictkb.com/configure-fmc-remote-schedule-backup/): Data backup is essential for organizations of all sizes. Storing backups in multiple remote locations provides administrators with peace of mind, ensuring data safety in case of a disaster. In this guide, we’ll walk through configuring remote backups for a single Cisco FMC (not HA peers). Cisco recommends using SSH, SMB, or SSHFS network volumes […] - [Supply Chain Attacks and How to Stay Protected](https://ictkb.com/supply-chain-attacks-and-how-to-stay-protected/): A supply chain attack exploits trusted relationships between organizations and the vendors, tools, or services they rely on. Instead of attacking a target directly, an adversary tampers with a supplier, hardware manufacturers, software vendors, managed service providers, or cloud platforms and uses that trusted channel to reach many downstream victims. Because these attacks ride on […] - [Defense in Depth: Building Multi-Layered Cybersecurity for Modern Enterprises](https://ictkb.com/defense-in-depth-building-multi-layered-cybersecurity-for-modern-enterprises/): Cyberattacks are no longer a matter of “if” but “when.” From ransomware groups targeting enterprises to insider misuse and zero-day vulnerabilities, organizations face threats that can bypass even the most advanced single line of defense. That’s why the principle of Defense in Depth (DiD) is central to modern cybersecurity strategy. Instead of relying on one […] - [Top 10 Agentic AI Tools](https://ictkb.com/top-10-agentic-ai-tools/): Artificial Intelligence has rapidly evolved beyond single-purpose chatbots. Today, Agentic AI tools empower businesses, developers, and creators to build autonomous workflows, orchestrate multi-agent systems, and connect large language models (LLMs) with enterprise-grade data. But with so many tools available, how do you know which one fits your needs best?Here’s a breakdown of the Top 10 […] - [Server Virtualization - Hyper-V](https://ictkb.com/server-virtualization-hyper-v/): Hyper-V is Microsoft’s hardware virtualization product. It lets you create and run a software version of a computer, called a virtual machine. Each virtual machine acts like a complete computer, running an operating system and programs. When you need computing resources, virtual machines give you more flexibility, help save time and money, and are a […] - [AI Prompt Injection](https://ictkb.com/ai-prompt-injection/): Artificial Intelligence (AI) is becoming part of everything we use; chatbots, virtual assistants, search engines, and even business tools. But with this power comes a hidden risk: Prompt Injection. If you’ve never heard the term before, think of it as tricking an AI into doing something it shouldn’t by manipulating the input (the “prompt”). What […] - [URL Redirection Explained](https://ictkb.com/url-redirection-explained/): URL redirection is a common practice used by websites and web applications to redirect visitors from one URL to another. This technique can be used for a variety of reasons, including improving the user experience, handling changes in website structure, and mitigating security risks. In this blog post, we’ll explore the basics of URL redirection […] - [Windows NFS Server](https://ictkb.com/windows-nfs-server/): Network File System (NFS) is a protocol which enables users to connect to a file storage system over a network and access the files as if they resided in a local file directory. NFS, like many other protocols, builds on the Open Network Computing Remote Procedure Call (ONC RPC) system. NFS is an open standard […] - [Windows iSCSI Storage Server](https://ictkb.com/windows-iscsi-storage-server/): iSCSI is an acronym for Internet Small Computer Systems Interface, an Internet Protocol (IP)-based storage networking standard for linking data storage facilities. It provides block-level access to storage devices by carrying SCSI commands over a TCP/IP network. iSCSI is used to facilitate data transfers over intranets and to manage storage over long distances. It can […] - [Essential Windows Security Tips: Protect Your PC from Malware and Hackers](https://ictkb.com/essential-windows-security-tips/): In a world where cyber threats lurk around every digital corner, protecting your Windows PC isn’t optional; it’s essential. But don’t worry! You don’t have to be a security expert to defend your system. Here’s a creative and simple guide packed with Windows security tips to help you lock down your PC, keep hackers out, […] - [Active Directory Installation and Setup](https://ictkb.com/active-directory-installation-and-setup/): Let’s install and configure Active Directory service. We will do below activity: Install AD DS Step 1: Run Server Manager and Click Add roles and features and click Next on first page.   Step 2: Select Role-based or feature-based installation. Step 3: Select a Host which you’d like to add services. Step 4: Check a […] - [Understanding SQL Injection](https://ictkb.com/understanding-sql-injection/): Ever thought your website or app was perfectly secure, only to discover a sneaky little vulnerability lurking in the shadows? Enter SQL Injection (SQLi); the hacker’s secret weapon to slip into your system undetected. Today, we’re going to explore SQL Injection in a way that’ll keep you on the edge of your seat. We’ll break […] - [Let's understand Windows Server Active Directory](https://ictkb.com/lets-understand-windows-server-active-directory/): Active Directory (AD) is Microsoft’s proprietary directory service. It runs on Windows Server and allows administrators to manage permissions and access to network resources. Active Directory stores data as objects. An object is a single element, such as a user, group, application or device, e.g., a printer. Objects are normally defined as either resources, such […] - [Windows Dynamic Host Control Protocol (DHCP) Server](https://ictkb.com/windows-dynamic-host-control-protocol-dhcp-server/): A DHCP Server is a network server that automatically provides and assigns IP addresses, default gateways and other network parameters to client devices. It relies on the standard protocol known as Dynamic Host Configuration Protocol or DHCP to respond to broadcast queries by clients. A DHCP server automatically sends the required network parameters for clients […] - [Staysafe in the age of AI](https://ictkb.com/staysafe-in-the-age-of-ai/): As artificial intelligence (AI) becomes an increasingly integral part of our daily lives and continues to shape workplace, handling personal and professional data responsibly is more important than ever. AI use large datasets including personal or sensitive information. Protecting that data requires a thoughtful, balanced approach Everyday actions to safeguard Data Know the sign AI […] - [Never Lose a Byte: Automate Backups on FortiGate Firewalls](https://ictkb.com/never-lose-a-byte-automate-backups-on-fortigate-firewalls/): Imagine; It’s 2 a.m., your firewall goes down, and your last backup is older than your nephew’s dinosaur obsession. You’re stuck, manually rebuilding policies and routing configs from memory (or worse, screenshots). That’s a nightmare no admin deserves. But here’s the good news: FortiGate firewalls make it surprisingly easy to automate configuration backups, and today, […] - [Bandwidth, Latency, and Jitter: Key Networking Concepts](https://ictkb.com/bandwidth-latency-and-jitter-key-networking-concepts/): In today’s digital world, understanding the fundamental concepts that govern network performance is crucial for anyone working with technology, whether you’re a network engineer, a software developer, or simply an everyday internet user. Three of the most important metrics that impact how data is transmitted across the internet or any network are Bandwidth, Latency, and […] - [Network-based monitoring and remote-control Computer System](https://ictkb.com/network-based-monitoring-and-remote-control-system/): In today’s digital-first environments, managing multiple computers across a local network is a common challenge. Whether you’re in a classroom, a computer lab, or a corporate office, having the ability to monitor and remotely control computers from a central workstation can streamline operations, improve security, and enhance learning or productivity. This is where network-based monitoring […] - [Windows Server 2025 Hot Patching: Zero-Time Downtime Feature](https://ictkb.com/windows-server-hot-patching-zero-time-downtime-feature/): In today’s fast-paced digital world, businesses rely on uninterrupted server performance to maintain productivity, enhance user experience, and ensure business continuity. Server downtime, even for a few minutes, can translate into significant financial losses and decreased customer trust. To mitigate these risks, Microsoft has introduced an exciting feature in Windows Server known as Hot Patching, […] - [AI is Changing Everyday Life: From Smartphones to Shopping](https://ictkb.com/ai-is-changing-everyday-life-from-smartphones-to-shopping/): Artificial Intelligence (AI) is no longer just a concept from science fiction. It’s here, and it’s already making a big difference in our daily lives- often in ways we don’t even notice. From unlocking your phone to getting shopping suggestions online, AI is everywhere. Let’s see how AI is quietly working behind the scenes to […] - [Open-Source AI Models: Changing the Future of AI](https://ictkb.com/open-source-ai-models-changing-the-future-of-ai/): Artificial Intelligence (AI) is growing fast and not just in big tech companies. One major reason? Open-source AI models. These are powerful AI tools that are free for anyone to use, study, and improve. Whether you’re a developer, student, researcher, or startup, open-source AI is giving more people the power to innovate. What Are Open-Source […] - [The Dark Side of AI](https://ictkb.com/the-dark-side-of-ai/): Artificial Intelligence is becoming a big part of our lives: from the phones in our hands to the cars we drive, and even the decisions made in hospitals or offices. It’s helping us do things faster, smarter, and sometimes better. But like any powerful tool, AI also has a dark side that we need to […] - [Absolute Zero Reasoner (AZR): The AI That Teaches Itself](https://ictkb.com/absolute-zero-reasoner-azr-the-ai-that-teaches-itself/): In the fast-paced world of artificial intelligence, a new model has emerged that could redefine how machines learn to think. Meet the Absolute Zero Reasoner (AZR) — an AI system that learns complex reasoning completely on its own, without relying on any human-generated data. Absolute Zero Reasoner (AZR), a groundbreaking AI model introduced in May […] - [Predictive AI vs. Generative AI: Real-World Impact](https://ictkb.com/predictive-ai-vs-generative-ai-real-world-impact/): Artificial Intelligence (AI) is transforming how we live, work, and interact with the world. But AI isn’t a one-size-fits-all technology. Two of the most important and often confused branches are Predictive AI and Generative AI. While they both rely on data and machine learning, they serve very different purposes. What is Predictive AI? Predictive AI […] - [How AI is Transforming Cybersecurity](https://ictkb.com/how-ai-is-transforming-cybersecurity/): In our highly connected world, cybersecurity is more important than ever. With cyberattacks becoming more frequent, complex, and damaging, businesses and individuals are under constant threat. Traditional security systems often fall short in dealing with modern cyber threats. Fortunately, Artificial Intelligence (AI) is stepping in as a powerful ally – transforming how we detect, prevent, […] - [Configure SSH (Secure Shell) for secure remote access](https://ictkb.com/configure-ssh-secure-shell-for-secure-remote-access/): Let’s go through steps to configure SSH (Secure Shell) in Cisco Router or Switch for secure remote access. Step 1: First step in configuring SSH to securely access the CLI interface of a Cisco Router or Switch remotely is to create a local user database for user authentication. Follow these steps to create a local user […] - [Understanding QoS](https://ictkb.com/understanding-qos/): Quality of Service (QoS) refers to tools that network devices can use to manage several related characteristics of what happens to a packet while it flows through a network. Specifically, these tools manage the bandwidth made available to that type of packet, the delay the packet experiences, the jitter (variation in delay) between successive packets […] - [SNMP Management Information Base(MIB) Explained](https://ictkb.com/snmp-management-information-basemib-explained/): Every SNMP agent has its own Management Information Base. The MIB defines variables whose values are set and updated by the agent. The MIB variables on the devices in the network enable the management software to monitor/control the network device. More formally, the MIB defines each variable as an object ID (OID). On most devices, […] - [SNMP functions in Network Operations](https://ictkb.com/snmp-functions-in-network-operations/): SNMP is an application layer protocol that provides a message format for communication between what are termed managers and agents. An SNMP manager is a network management application running on a PC or server, with that host typically being called a Network Management Station (NMS). Many SNMP agents exist in the network, one per device […] - [Mastering Syslog | Format, Level and Configuration](https://ictkb.com/mastering-syslog-format-level-and-configuration/): When major events take place, these every networking devices attempt to notify administrators with detailed system messages. These messages vary from the very mundane to those that are incredibly important. Thankfully, administrators have a large variety of options for storing these messages and being alerted to those that could have the largest impact on the […] - [Domain Name System (DNS)](https://ictkb.com/domain-name-system-dns/): DNS is a host name to IP address translation service. DNS is a distributed database implemented in a hierarchy of name servers. It is an application layer protocol for message exchange between clients and servers. Every host is identified by the IP address but remembering numbers is very difficult for the people and also the […] - [Master Dynamic Host Configuration Protocol (DHCP)](https://ictkb.com/master-dynamic-host-configuration-protocol-dhcp/): Dynamic Host Configuration Protocol (DHCP) provides one of the most commonly used services in a TCP/IP network. The vast majority of hosts in a TCP/IP network are user devices, and the vast majority of user devices learn their IPv4 settings using DHCP. Using DHCP has several advantages over the other option of manually configuring IPv4 […] - [Network Address Translation (NAT) | Static, Dynamic, PAT](https://ictkb.com/network-address-translation-nat-static-dynamic-pat/): To access the Internet, one public IP address is needed, but we can use a private IP address in our private network. The idea of NAT is to allow multiple devices to access the Internet through a single public address. To achieve this, the translation of private IP address to a public IP address is […] - [Gateway Load Balancing Protocol (GLBP)](https://ictkb.com/gateway-load-balancing-protocol-glbp/): Gateway Load Balancing Protocol (GLBP) is one of First Hop Redundancy Protocol (FHRP) which provides redundancy like other First Hop Redundancy Protocol, also provides load Balancing. It is a Cisco proprietary protocol which can perform both functions. It provides load Balancing over multiple routers using single virtual IP address and multiple virtual Mac address. Some […] - [Virtual Router Redundancy Protocol (VRRP)](https://ictkb.com/virtual-router-redundancy-protocol-vrrp/): VRRP is an open standard protocol, which is used to provide redundancy in a network. It is a network layer protocol (protocol number-112). The number of routers (group members) in a group acts as a virtual logical router which will be the default gateway of all the local hosts. If one router goes down, one […] - [Hot Standby Router Protocol (HSRP)](https://ictkb.com/hot-standby-router-protocol-hsrp/): Hot Standby Router Protocol (HSRP) is a CISCO proprietary protocol, which provides redundancy for a local subnet. In HSRP, two or more routers gives an illusion of a virtual router. HSRP allows you to configure two or more routers as standby routers and only a single router as active router at a time. All the […] - [First-hop redundancy protocol (FHRP)](https://ictkb.com/first-hop-redundancy-protocol-fhrp/): IP routing redundancy is designed to allow for transparent fail-over at the first-hop IP router. Well, first off, let’s briefly recall the concept of a default gateway: a default gateway is nothing else than the first hop for packets from a particular LAN (or VLAN to be more accurate) that need to reach a remote […] - [Master OSPF Routing Protocol](https://ictkb.com/master-ospf-routing-protocol/): Routing protocols basically exchange information so routers can learn routes. The routers learn information about subnets, routes to those subnets, and metric information about how good each route is compared to others. The routing protocol can then choose the currently best route to each subnet, building the IP routing table. Link-state protocols like OSPF take […] - [Undo sent email in GMAIL](https://ictkb.com/undo-sent-email-in-gmail/): We’ve all accidentally sent an email too early, without a specific attachment, or to the wrong address. It can be devastating. Regardless of how it happened, an accidental email can make you seem too eager, too rushed, or worse. Finally, there is a free and easy way to undo a sent email. Anyone can set […] - [Upgrading Paloalto Firewall, Panorama & Wildfire?](https://ictkb.com/upgrading-paloalto-firewall-panorama-wildfire/): Are you planning to upgrade Panorama managed Paloalto firewall? Is your Paloalto forwarding samples to on-prem Wildfire appliance? If yes, you need to know few pre-requisite before upgrading firewall. When upgrading firewalls that you manage with Panorama or firewalls that are configured to forward content to a WildFire appliance, you must first upgrade Panorama and […] - [Let's understand Routing and it's types](https://ictkb.com/lets-understand-routing-and-its-types/): Before we understand what is routing and how it works, we need to know about router. Router is a network hardware device that is used to connect two different networks. It works on layer 3 (network layer). The primary function of a router is- to forward the packets from one network to another by choosing […] - [Let's configure static routing](https://ictkb.com/lets-configure-static-routing/): Since static routes are manually configured and do not require advertising or processing of route updates, they use less bandwidth and fewer CPU resources on the router. This can be particularly advantageous in environments where router performance and bandwidth are critical constraints. A few different types of static routing can be configured for both IPv4 […] - [How a router makes a forwarding decision by default](https://ictkb.com/how-a-router-makes-a-forwarding-decision-by-default/): Each routing protocol selects the best route using its own metric comparison procedure. If there are more than one candidate routes from different protocols, then administrative distances are compared and only one protocol installs its route into the routing table. In some cases, a routing protocol, instead of preferring a single path, can use multiple […] - [Cisco Access Point (AP) Modes](https://ictkb.com/cisco-ap-modes/): Many Cisco APs can operate in either autonomous or lightweight mode, depending on which code image is loaded and run. From the WLC, you can also configure a lightweight AP to operate in one of the following special-purpose modes: - [Cisco Wireless Architecture](https://ictkb.com/cisco-wireless-architecture/): Cisco Wireless Architecture and AP modes connect a wireless network to a wired network to safely transfer data. A Cisco Access Point (AP) is configured to operate in either Lightweight mode or Autonomous mode. A Cisco LAP is part of the Cisco Unified Wireless Network architecture. An LAP is an AP designed to be connected […] - [Let's Interpret the components of Routing table](https://ictkb.com/lets-interpret-the-components-of-routing-table/): Routers route IPv4 packets. That simple statement actually carries a lot of hidden meaning. For routers to route packets, routers follow a routing process. That routing process relies on information called IP routes. Each IP route lists a destination—an IP network, IP subnet, or some other group of IP addresses. Each route also lists instructions […] - [AAA, RADIUS & TACACS+](https://ictkb.com/aaa-radius-tacacs/): AAA, RADIUS, and TACACS+ are all related to network security and access control. To access network device there are central access methods. Let’s dive into these access methods. AAA AAA (Authentication, Authorization, Accounting) Access control is the way you control who is allowed access to the network device and what services they are allowed to use […] - [Configure & Finetune STP](https://ictkb.com/configure-finetune-stp/): Let’s dive into how to configure STP on switch. We will also look into how STP topology change occurs, what happens when link failure happens and how to protect STP. STP Topology Changes An STP topology change will occur under two circumstances: The switch recognizing this topology change will send out a TCN (Topology Change […] - [Spanning Tree Protocol(STP) Concepts](https://ictkb.com/spanning-tree-protocolstp-concepts/): Spanning Tree Protocol (STP) allows Ethernet LANs to have the added benefits of installing redundant links in a LAN, while overcoming the known problems that occur when adding those extra links. Using redundant links in a LAN design allows the LAN to keep working even when some links fail or even when some entire switches […] - [Upgrading Cisco FMC Standalone](https://ictkb.com/upgrading-cisco-fmc-standalone/): Upgrading Cisco Firepower Management Center (FMC) can significantly enhance your network security capabilities. Whether you’re looking to patch vulnerabilities, gain new features, or improve performance, here’s a simple guide to help you through the upgrade process. Careful planning and preparation can help you avoid missteps. This table summarizes the upgrade planning process. Planning Phase Includes […] - [Upgrading Cisco FMC in HA](https://ictkb.com/upgrading-ha-cisco-fmc/): Upgrading Cisco Firepower Management Center (FMC) can significantly enhance your network security capabilities. Whether you’re looking to patch vulnerabilities, gain new features, or improve performance, here’s a simple guide to help you through the upgrade process. Careful planning and preparation can help you avoid missteps. This table summarizes the upgrade planning process. Planning Phase Includes […] - [Configuring Layer 2 Ether Channel](https://ictkb.com/configuring-layer-2-ether-channel/): Two neighboring switches can treat multiple parallel links between each other as a single logical link called an Ether Channel. Without Ether Channel, a switch treats each physical port as an independent port, applying MAC learning, forwarding, and STP logic per physical port. With Ether Channel, the switch applies all those same processes to a […] - [Ether Channel Explained](https://ictkb.com/ether-channel-explained/): Ether Channel is a port link aggregation technology developed by Cisco, which provides fault-tolerant high-speed links between Switches, Routers, and Servers. Ether Channel technology allows multiple physical Ethernet links (Fast Ethernet or Gigabit Ethernet) to combine into one logical channel. Ether Channel technology allows grouping of several physical Ethernet links (Fast Ethernet, Gigabit Ethernet, or […] - [Palo Alto firewall CLI Troubleshoot Cheat Sheet](https://ictkb.com/palo-alto-firewall-cli-troubleshoot-cheat-sheet/): Is your Palo Alto firewall acting up? Throwing strange error messages or just not working quite right? Relax, we’ve got you covered! This blog post is your ultimate weapon to fight back against common firewall issues. We’ll provide a cheat sheet packed with essential CLI commands to help you diagnose and fix problems quickly and […] - [FortiGate Firewall Best Practices for Enhanced Security](https://ictkb.com/fortigate-firewall-best-practices-for-enhanced-security/): Fortinet FortiGate firewalls are powerful security solutions, but just like any tool, they require proper configuration and management to deliver their full potential. Here are 10 essential best practices to maximize the security posture of your network using Fortinet FortiGate firewalls: By following these best practices, you can significantly enhance the security posture of your […] - [Optimizing Fortinet FortiGate Firewall for Peak Performance](https://ictkb.com/optimizing-fortinet-fortigate-firewall-for-peak-performance/): In today’s digital landscape, network performance is paramount. Businesses rely on smooth, uninterrupted network traffic flow for user productivity and critical operations. While Fortinet FortiGate firewalls are renowned for their robust security features, improper configuration can lead to performance bottlenecks. Let’s go through some key strategies to optimize your FortiGate firewall for peak performance, ensuring […] - [Palo Alto Firewall Best Practices for Enhanced Security](https://ictkb.com/palo-alto-firewall-best-practices-for-enhanced-security/): Palo Alto Networks firewalls are industry leaders in offering comprehensive security solutions. However, to unlock their full potential and achieve optimal security posture, following best practices is crucial. Here are 10 essential best practices for managing your Palo Alto firewall: By following these best practices, you can significantly enhance the security posture of your network […] - [Optimizing Palo Alto Firewall for Peak Performance](https://ictkb.com/optimizing-palo-alto-firewall-for-peak-performance/): In today’s digital world, network performance is critical for business continuity and user productivity. While Palo Alto firewalls are known for their robust security features, improper configuration can lead to performance bottlenecks. Here are some key strategies to optimize your Palo Alto firewall for peak performance: 1. Security Policy Optimization: 2. Resource Optimization: 3. Hardware […] - [Adding FTD into FMC](https://ictkb.com/adding-ftd-into-fmc/): Firepower Threat Defense (FTD) is a powerful security solution offered by Cisco to protect networks against various cyber threats. When managing multiple security devices or looking for centralized management, Cisco’s Firepower Management Center (FMC) is the go-to solution. Let’s walk through the step-by-step process of adding FTD devices into FMC for streamlined management and enhanced […] - [Tricks of Email Phishing: How to Spot and Avoid Scams](https://ictkb.com/tricks-of-email-phishing-how-to-spot-and-avoid-scams/): In the vast world of the internet, emails are like messengers delivering messages, updates, and sometimes, unfortunately, scams. One of the most common online scams is called email phishing. Let’s dive into what email phishing is, how to recognize it, and most importantly, how to protect yourself from falling victim to these deceitful tactics. What […] - [Keeping Your Stuff Safe Online - Password Security](https://ictkb.com/keeping-your-stuff-safe-online-password-security/): In today’s world, where we do so much online, having strong passwords is super important. They’re like the locks on the doors of your online accounts, keeping out bad guys who might try to steal your stuff. Passwords serve as the primary line of defense against unauthorized access to our personal and sensitive information. Whether […] - [Discovery Protocol | CDP & LLDP](https://ictkb.com/discovery-protocol-cdp-lldp/): Cisco Discovery Protocol (CDP) is a Cisco proprietary protocol for network discovery on the data link layer. It can share information such as device names and IOS versions, with other physically connected Cisco devices. Link Layer Discovery Protocol (LLDP) is vendor-neutral protocol using on the data link layer for network discovery. It is mainly used […] - [Inter-VLAN Routing | SVI, RoS](https://ictkb.com/inter-vlan-routing-svi-ros/): Inter-VLAN routing is the ability to route, or send, traffic between VLANs that are normally blocked by default. Switches and VLANs work at the MAC address Layer (Layer 2). Traffic can’t be routed between VLANs at Layer 2 based on MAC addresses. Therefore, routers (or Layer 3 switches also called multilayer switch) that use IP […] - [Interswitch Connectivity | VLAN Tagging | Trunk Port](https://ictkb.com/interswitch-connectivity-vlan-tagging-trunk-port/): Layer 2 switch provides connectivity between two or more different devices within a local area network. Switch allow data transfer between end devices in a network. When the data packet is for out of LAN, the packet sent to the gateway router. A Switch is a networking device which works at Data link layer in […] - [Cyber Kill Chain Process & Purpose](https://ictkb.com/cyber-kill-chain-process-purpose/): The Cyber Kill Chain offers a comprehensive framework as a part of the Intelligence Driven Defense model. In this article, we will discuss what the cyber kill chain is and what its steps are. Cyber intrusions are the worst nightmare of many of us. That is why many cyber security professionals and developers offer unique […] - [Removing/Deleting Files in Linux](https://ictkb.com/removing-deleting-files-in-linux/): The rm command is used to delete files and directories. It is important to keep in mind that deleted files and directories do not go into a “trash can” as with desktop-oriented operating systems. When a file is deleted with the rm command, it is almost always permanently gone. rm [OPTIONS] FILE Without any options, the rm command is […] - [Moving Files in Linux](https://ictkb.com/moving-files-in-linux/): The mv command is used to move a file from one location in the filesystem to another.mv SOURCE DESTINATION The mv command requires at least two arguments. The first argument is the source, a path to the file to be moved. The second argument is the destination, a path to where the file will be moved to. The files to […] - [Copying Files in Linux](https://ictkb.com/copying-files-in-linux/): Creating copies of files can be useful for numerous reasons: cp [OPTIONS] SOURCE DESTINATION The cp command is used to copy files. Similar to the mv command, it requires at least two arguments: a source and a destination. For example, to copy the /etc/passwd file to the current directory, use the following command: Note: The second argument is the […] - [Viewing Files in Linux](https://ictkb.com/viewing-files-in-linux/): There are a few Linux commands available to view the content of files. The cat command, which stands for “concatenate”, is often used to quickly view the contents of small files. The cat command will display the entire contents of the file, hence why it is mainly recommended for smaller files where the output is limited and does not […] - [Changing File Ownership in Linux](https://ictkb.com/changing-file-ownership-in-linux/): Initially, the owner of a file is the user who creates it. The chown command is used to change the ownership of files and directories. Changing the user owner requires administrative access. A regular user cannot use this command to change the user owner of a file, even to give the ownership of one of their own […] - [Changing File Permissions in Linux](https://ictkb.com/changing-file-permissions-in-linux/): The chmod command is used to change the permissions of a file or directory. Only the root user or the user who owns the file is able to change the permissions of a file. There are two techniques for changing permissions with the chmod command: symbolic and octal. The symbolic method is good for changing one set of permissions at a time. […] - [File Permissions in Linux](https://ictkb.com/file-permissions-in-linux/): Permissions determine the ways different users can interact with a file or directory. When listing a file with the ls -l command, the output includes permission information. For the example we will use a script called hello.sh located in the Documents directory: File Type Field The first character of this output indicates the type of a file. Recall that […] - [Administrative Access in Linux](https://ictkb.com/administrative-access-in-linux/): There are many Linux commands which deal with sensitive information like passwords, system hardware, or otherwise operate under other exceptional circumstances. Preventing regular users from executing these commands helps to protect the system. Logging in as the root user provides administrative access, allowing for the execution of some of the privileged commands. The su Command su OPTIONS […] - [Listing Files in Linux](https://ictkb.com/listing-files-in-linux/): The ls command is used to list the contents of a directory. You’ve already seen it used a few times before in examples, but this page will help ensure you are comfortable with its use. ls [OPTIONS] [FILE] By default, when the ls command is used with no options or arguments, it will list the files in the current […] - [Printing Working Directory (PWD) in Linux](https://ictkb.com/printing-working-directory-pwd-in-linux/): In order to discover where you are currently located within the filesystem, the pwd command can be used. The pwd command prints the working directory, your current location within the filesystem: pwd [OPTIONS] The output of the above command indicates that the user is currently in their home folder, shown in the filesystem below. Notice above employ a prompt that […] - [Management plane and Data plane traffic in Paloalto](https://ictkb.com/management-plane-and-data-plane-traffic-in-paloalto/): There are two main planes that make up a firewall, the data plane and the management plane, which are physical or logical boards that perform specific functions. All platforms have a management plane. The management plane is where all administrative tasks happen. The data plane is responsible for processing flows and performs all the security features associated with the next-generation firewall. These functions have dedicated hardware resources, which makes […] - [Setup Windows Hello Fingerprint Login](https://ictkb.com/setup-windows-hello-fingerprint-login/): Endpoint device security is most important concern for every for everyone either for personal or business device. If you want to add an extra layer of security to your laptop/pc you can add fingerprint authentication. Microsoft’s Windows Hello feature allows you to sign in to your computer using biometric methods such as facial or fingerprint […] - [Network Packet Broker](https://ictkb.com/network-packet-broker/): A Network Packet Broker (NPB) resides between taps and SPAN ports. They can access network data and sophisticated security and monitoring tools that typically reside in data centers. NPB’s do just what their name says: they break network packet data to ensure every analysis tool sees exactly the data it needs to perform at the […] - [Shadow IT : Definition, Risk & Mitigation](https://ictkb.com/shadow-it-definition-risk-mitigation/): Shadow IT is the use of information technology systems, devices, software, applications, and services without explicit IT department approval. It has grown exponentially in recent years with the adoption of cloud-based applications and services. While shadow IT can improve employee productivity and drive innovation, it can also introduce serious security risks to your organization through data […] - [SD-WAN vs. MPLS](https://ictkb.com/sd-wan-vs-mpls/): SD-WAN (Software-Defined Wide Area Network) and MPLS (Multiprotocol Label Switching) are both types of networking technology used to connect remote networks, but they have some key differences. Multiprotocol Label Switching (MPLS) is a technology used to route network traffic using a label-switched-path network model. An MPLS network works to increase speed and control the flow […] - [Difference between SCCM and WSUS](https://ictkb.com/difference-between-sccm-and-wsus/): Windows Server Update Services (WSUS) and System Center Configuration Manager (SCCM) are both patch management solutions that assist IT teams with keeping systems up to date. Though both have the capability to manage operating system, software, and system updates, they are not the same thing, and there are situations in which one solution is much […] - [Command and Control (C2)](https://ictkb.com/command-and-control-c2/): Malicious network attacks have been on the rise in the last decade. One of the most damaging attacks, often executed over DNS, is accomplished through command and control (C2). Command-and-control attacks can compromise an entire network. The attacker starts by infecting a computer, which may sit behind a firewall. This can be done in a […] - [OWASP Top 10](https://ictkb.com/owasp-top-10/): The OWASP Top 10 is a standard awareness document for developers and web application security. It represents a broad consensus about the most critical security risks to web applications. Companies should adopt this document and start the process of ensuring that their web applications minimize these risks. Using the OWASP Top 10 is perhaps the […] - [Blockchain Technology](https://ictkb.com/blockchain-technology/): Blockchain is a shared, immutable ledger that facilitates the process of recording transactions and tracking assets in a business network. An asset can be tangible (a house, car, cash, land) or intangible (intellectual property, patents, copyrights, branding). Virtually anything of value can be tracked and traded on a blockchain network, reducing risk and cutting costs […] ## Pages - [PCNSC Quiz](https://ictkb.com/pcnsc-quiz/) - [NSE5 Forti Manager Quiz](https://ictkb.com/nse5-forti-manager-quiz/) - [PCNSE v10 Quiz](https://ictkb.com/pcnse-quiz/) - [Microsoft AZ-900 Quiz](https://ictkb.com/microsoft-az-900/) - [CCNA 200-301](https://ictkb.com/ccna-200-301/): Content Complete Training Material. Test Practice Test with most reliable QA. Book Learn from Study book. Explore CCNA 200-301 - [Privacy Policy](https://ictkb.com/privacy-policy/): Who we are Suggested text: Our website address is: https://ictkb.com. Comments Suggested text: When visitors leave comments on the site we collect the data shown in the comments form, and also the visitor’s IP address and browser user agent string to help spam detection. An anonymized string created from your email address (also called a […] - [About Us](https://ictkb.com/about-us/): ABOUT US Our Teams Comes With The Experience & Knowledge ICTKB is purely ICT blog sharing experiences and knowledge. At ICTKB, we are team of experience ICT experts in various industry, believe in sharing knowledge and guide new comer and help professional to expertise in specific domain. Sharing is caring. ICTKB ICTKB Admin Contact Me […] - [Contact](https://ictkb.com/contact/): Send Us A Message Let's talk about everything! ICKTB is team of experience and expert in ICT industry sharing their knowledge. Contact Form Δ First NameLast NameEmailSubjectYour MessageSubmit Form Contact us Please feel free to contact me with any question or concerns. Get In Touch Lets Talk +00 0000000000 General Support info@ictkb.com Address Global Services, […] - [Home](https://ictkb.com/): Search ▶️Watch Cyber Awareness Videos AI 14 Blog 37 Cisco 37 Cisco Firepower 4 Cyber Sec 13 Ebook 1 Firewall 13 Fortinet 4 Interview 1 Linux 11 Networking 7 OS 17 Palo Alto Interview QA 1 Paloalto 7 Tech-Geek 11 Vendor 0 Windows 7 Windows Server 14 Latest How AI Learns AI learns by analyzing […] ## Optional - [Agent (MCP protocol)](websites-agents.hostinger.com/ictkb.com/mcp) [comment]: # (Generated by Hostinger Tools Plugin)