Blockchain Technology
Blockchain is a shared, immutable ledger that facilitates the process of recording transactions and tracking assets in a business network. An asset...
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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...
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...
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...
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...
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...
Broken Access Control
Access control is a crucial element in maintaining the integrity and confidentiality of information. Access control ensures that only authorized...
Let’s 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...
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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...
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...
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...
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...
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...
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...
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...
Master OSPF Routing Protocol
Routing protocols basically exchange information so routers can learn routes. The routers learn information about subnets, routes to those subnets,...
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...
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...
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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...
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...
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...
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...