Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

Puli's avatar
Puli
Icon for Nimbostratus rankNimbostratus
Aug 04, 2011

how to block Empty User-Agent and Empty Accept-Language values

Am trying to block request that have empty values for header fields   User-Agent and Accept-Language     I have below, but not sure if it check the value of the header or existence of the hea...