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

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NN_210021
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Aug 03, 2015

Curl perform failed: Couldn't resolve host name (6)

Hi all,   can anyone give me a hint on what causes this error ? Can't find anything on DC /internet search   HTTP module: authenticateUser(): Curl perform failed: Couldn't resolve host name (6)...