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

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changewait1
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May 20, 2025

About DNS irule TCL error

Hi everyone, I'm encountering a TCL error when using an iRule on my BIG-IP DNS (GSLB) system. The error appears as follows:  err tmm9[13024]: 01220001:3: TCL error: /Common/IRULE_LOGGING_RESPONSE <...