Symptoms

- When BD profile is configured with a block response body including new lines characters, After every update BD profile adds additional new lines to the block response body.

Impact

The block response body eventually may get large enough to reach the maximum limit. This may lead to a partial/scrambled block response for malicious requests.

Conditions

- BD profile is configured. - BD profile has a custom block response body containing new lines - BD profile is being updated through UI.

Workaround

1. Update the BD profile from tmsh command. or 2. Use \n or <br> in the block response body instead of new lines.

Fix Information

BD profile now does not add any extra lines to BD profile when updated.

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips