> 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/protocol-anomalies.md).

# Protocol Anomalies

Prophaze WAF can detect request with the following protocol anomalies

* Request without Valid Host Header 
* Request without Valid Accept Header
*  Request header with null value 
* Invalid User-Agent header 
* User-Agent without value 
* Request with Content contains no Content-Type header
*  Host Header with IP Address