F5 is upgrading its customer support chat feature on My.F5.com. Chat support will be unavailable from 6am-10am PST on 1/20/26. Refer to K000159584 for details.

Forum Discussion

roger1's avatar
roger1
Icon for Nimbostratus rankNimbostratus
Jul 14, 2025

Urgent - WAF Rules Not Allowing Connection

We are experiencing issues related to the F5 OWASP Managed WAF Rules, users are getting 403 forbidden error messages. The CloudWatch metrics show a spike starting on 07/13. {"ruleGroupId":"F5#OWASP_...
F5 Rules for AWS WAF
Nir_Zigler's avatar
Nir_Zigler
Icon for Employee rankEmployee
Jul 16, 2025

F5 OWASP Managed WAF Rules went through a rule update on Sunday, July 13th, which affected some customers and blocked legitimate traffic.
We have since fixed the issue. The false positives should no longer occur as of Tuesday, July 15th.
We apologize for the disruption to service