Various Server Side Request Forgery Issues

SSRF 1

This SSRF allowed me to view local files on the host as well as port scan internal hosts.

Reading /etc/passwd using the file protocol.

Brute-forcing for log files using BurpSuite Intruder:

SSRF 2

SSRF that had some filtering of 127.0.0.1 and localhost which was bypassed by using 0.0.0.0