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Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.
Stan_WardAltocumulusJun 20, 2018RESOLV::lookup failure handling We have an iRule that dynamically selects a node via DNS lookup. The host name and DNS server are hard coded within the iRule event. But we occasionally see errors like this in the LTM log: Jun ...Show More
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Recent DiscussionsRecommendation for Adv. LabCloud Apps ProtectionIlligal Parameter addition as custom signature set wanted to UnblockCPU load when Prometheus is scraping metrics from F5 BIG-IP LTMConnection Rate Limit with log output
Related ContentDNS Resolution via iRules: NAME::lookup vs RESOLV::lookupCommon UCS Load Failure Scenarios on F5 BIG-IP PlatformsIntermediate iRules: Handling StringsDouble Trouble: Multiple Controllers Handling the Same Kubernetes LoadBalancer ServiceIntermediate iRules: Handling Lists
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