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

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Milan_61890's avatar
Milan_61890
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Jan 21, 2013

iRule error message

Hello, my iRule keeps producing the following error message: TCL error: clean_incoming_xff - Operation not supported (line 1) invoked from within "HTTP::header remove "X-Forwarded-For""...