> 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/detection-techniques/normalization.md).

# Normalization

Prophaze WAF supports following normalisation techniques 

* URL-decoding
* Null byte string termination
* Self-referencing paths
* Path back-references
* Excessive use of white space
* Comment removal
* Conversion of (Windows-supported) backslash characters into forward slash characters.
* Conversion of IIS-specific Unicode encoding (%uXXYY)
* Decode HTML entities
* Escaped characters