Symptoms

Bot Defense (BD) consumes high CPU power when processing signatures on headers.

Impact

BD consumes high CPU power when processing header signatures.

Conditions

Header signatures are enabled on policy.

Workaround

None

Fix Information

A header-policy-signature cache is added which improves performance. A few additional changes are implemented which enables faster lookup of signature data.

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips