DoS attack is one of the most serious threats today. We often hear about DoS attacks that temporarily or indefinitely suspend service or an entire network. How are these DoS attacks perpetrated, and how can we prevent them? In this article, we will discuss that in...
What is Network Segmentation? We all know absolute security is a myth. And many times, even though we try to enforce security to our best, attackers manage to gain unauthorized access to the network. Once they gain unauthorized access to a network, attackers try to...
What is a Web Application Firewall (WAF)? A stateful firewall filters traffic based on IP addresses, ports, connection state, etc. However, if a firewall filters traffic based on IP addresses, ports, or connection state alone, it will not be possible to detect many...
If you are a frequent Internet user, you have likely used or heard of proxy servers. Some of us might also have heard the terms forward proxy servers and reverse proxy servers. But what are they? How do they work? And how are they different from each other? Let’s try...
What is the Point-to-Point Protocol? Point-to-Point Protocol or PPP is a layer 2 or data link layer protocol that is used to establish a direct connection between two nodes in a network. It can provide authentication, encryption, and compression. This protocol is used...
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