Proxies & Reverse Proxies

Summary

A proxy sits between a client and the internet (often used for filtering or anonymization); a reverse proxy sits in front of a server (used for load balancing and, notably, web application firewalls).

• 1Learn the difference between a forward proxy and a reverse proxy.
• 2Understand how a Web Application Firewall (a type of reverse proxy) filters malicious traffic.
• 3Research why attackers sometimes use proxy chains to obscure their origin.