Bug ID 707267: REST Framework HTTP header limit size increased to 8 KB

Last Modified: Nov 22, 2021

Bug Tracker

Affected Product:  See more info
BIG-IP TMOS(all modules)

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1, 14.0.0,,

Fixed In:,

Opened: Feb 20, 2018
Severity: 4-Minor


HTTP Header size limit causing 'Error getting auth token from login provider' GUI messages.


Users cannot login or access certain pages in the GUI.


A client uses an HTTP Header larger than 4 KB to make a request to the REST framework.


Clear browser cookies, or otherwise reduce the size of the HTTP headers, so that the entire content HTTP headers is smaller than 4 KB.

Fix Information

The HTTP header size limit for the REST Framework has been increased to 8 KB to match the limit set by Apache.

Behavior Change