Web Application Firewall (WAF)
It’s a Firewall that operates at the Application Layer (Layer 7 OSI) that’s designed to monitor, filter and block HTTP/HTTPS traffic to and from a Web Application.
This type of firewall can be deployed in two different methods:
Proxy Mode: It directly receives...
Certificate Authority (CA)
This is a trusted organization or entity that issues digital certificates. These certificates are used to verify the identity of websites, individuals, and devices on a network. When you see “HTTPS” in a web address, it means the website has a digital...
Regex (short for Regular Expressions) is a powerful tool used for searching, matching, and manipulating text based on specific patterns. Understanding and mastering this tool involves learning its syntax, operators, and advanced features.
Basics
Literals
Match exact characters.
E.g. ‘cat’ matches the string “cat”
Metacharacters
Special characters with unique meanings
MetacharacterMeaning.Matches...