Bug ID 2163545: Bot Defense profile does not support js tag injection for compressed html pages.

Last Modified: Apr 09, 2026

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

Opened: Dec 02, 2025

Severity: 3-Major

Symptoms

Bot defense Javascript injection does not occur if the HTML pages are compressed.

Impact

Compressed html page is sent to the client without the injected Javascript. As a result, Bot Defense checks are not performed for sessions that serve compressed HTML pages from the backend server.

Conditions

Virtual server is configured with a bot defense profile. Virtual server serving content from a backend server that serves compressed html pages.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips