Bug ID 745682: Failed to parse X-Forwarded-For header in HTTP requests

Last Modified: Jul 12, 2023

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,,,, 13.1.3,,,,,, 14.0.0,,,,,, 14.0.1,, 14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3

Fixed In:

Opened: Oct 02, 2018

Severity: 3-Major


Failed to parse X-Forwarded-For header. This results in failure when extracting proper values in DOSL7.


DOSL7 does not receive the proper values for X-Forwarded-For.


-- 'Accept XFF' is enabled in HTTP profile. HTTP profile is added to the virtual server. -- Bot Defense profile is added to the virtual sever. -- HTTP request contains 'X-Forwarded-For' header.



Fix Information

DOSL7 now receives the correct value under these conditions.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips