WebAgent reject encoded request contained "%c0".

Document ID : KB000046289
Last Modified Date : 14/02/2018
Show Technical Document Details

Issue :  

Although customer set "no" to "DisallowUtf8NonCanonical", WebAgent reject URL encoded query contained "%c0".

 

Environment:  

WebAgent R12.51 CR01

 

Cause: 

This is product issue.

If request contains overlong UTF-8 encoded data, such as "%c0", "%e0%80", "%f0%80%80", this requests was rejected because WebAgent judge as BadUrlChars.

This issue was fixed in R12.51 CR06.

 

Resolution:

Upgrade WebAgent to R12.51 CR06.

 

Additional Information:  

URL Access Request Blocks (114493)

Symptom:

The URL access request blocks when you access a URL which contains %c0%af with DisAllowUTF8NonCanonical flag set to no in ACO.

https://starweb.ca.com/cadocs/0/CA%20SiteMinder%2012%2051-ENU/Bookshelf_Files/HTML/idocs/index.htm?toc.htm?agent-release.html