Bug ID 949105: Error log seen on Category Lookup SNI requests for same connection

Last Modified: Dec 13, 2023

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

Known Affected Versions:
13.1.5,, 15.1.3,, 15.1.4,, 15.1.5,, 15.1.6,, 15.1.7, 15.1.8,,, 15.1.9,

Fixed In:
16.1.0, 15.1.10

Opened: Sep 28, 2020

Severity: 3-Major


Client connections are reset and you see an error in /var/log/apm : "(ERR_NOT_FOUND) Category Lookup failed or a Category Lookup agent is not present in the policy before Response Analytics"


Connections are reset or they follow the fallback branch for subsequent requests in the same SSL connection


-- Category Lookup agent (lookup type SNI) in the per-request policy before Request or Response Analytics agent -- Multiple requests sent in the same SSL connection.



Fix Information

Fixed an issue with Category Lookup SNI requests for same connection

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips