# 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