A reverse proxy scenario where the original IP serves as a WAF bypass. This bypass technique involves identifying the original IP that the WAF redirects to, allowing for potential evasion of the WAF protection. The reverse proxy setup may expose the underlying server's IP, enabling attackers to bypass WAF restrictions. This highlights the importance of secure configuration and monitoring in reverse proxy environments to prevent such bypasses.
For more details, check out the original tweet here: https://twitter.com/chux13786509/status/1827371615966912770