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_Managed","terminatingRule":{"ruleId":"rule_General_Protection_AllQueryArguments_Body","action":"BLOCK","ruleMatchDetails":null

F5 Rules for AWS WAF

1 Reply

  • 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