What is a Proxy Server?
A proxy server is a dedicated computer or software system running on a computer that acts as an intermediary between an endpoint device, such as a computer, and another server…
IPsec (Internet Protocol Security)
What is IPsec (Internet Protocol Security)? IPsec (Internet Protocol Security) is a suite of protocols and algorithms… What is IPsec? IPsec stands for Internet Protocol Security. The IP part tells…
What is BGP hijacking?
BGP hijacking is a malicious rerouting of Internet traffic that exploits the trusting nature of BGP, the routing protocol of the Internet. What Is BGP Hijacking? BGP hijacking is when…
OSI Model And 7 Layers Of OSI Model Explained
The Open Systems Interconnection model (OSI model) is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to its underlying internal…
How To Use Proxy chains with Kali Linux
Proxy chains are open source software for Linux systems and come pre-installed with Kali Linux, the tool redirects TCP connections through proxies like TOR, SOCKS, and HTTP (S), allowing us…
How Verizon and a BGP Optimizer Knocked Large Parts of the Internet Offline Today
Massive route leak impacts major parts of the Internet, including Cloudflare What happened? Today at 10:30UTC, the Internet had a small heart attack. A small company in Northern Pennsylvania became…
What is a Gateway?
A gateway is a network node used in telecommunications that connects two networks. A gateway is a network node used in telecommunications that connects two networks with different transmission protocols.…
How to Fix “No route to host” SSH Error in Linux
SSH is the most secure means of connecting to Linux servers remotely. And one of the common errors encountered while using SSH is the “ssh: connect to host port 22:…
What is DNS, and How Does DNS Work? (Domain Name Server Fundamentals)
What if you had to memorize the IP address of every website that you wanted to visit? I bet you’d go crazy in no time! This is where DNS jumps…