> For the complete documentation index, see [llms.txt](https://docs.prophaze.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.prophaze.com/protection-use-cases/session-fixation.md).

# Session Fixation

Prophaze WAF can prevent session fixation attacks by the following ways

* Prevents attackers to hijack a valid session
* Blocks setting cookie values with in html
* Blocks session parameter with off-domain referrer
* sessid parameter with no referrer