nginx security_error ai_generated true

ModSecurity: Access denied with code 403

ID: nginx/modsecurity-block

Also available as: JSON · Markdown
78%Fix Rate
82%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
1 active — — —

Root Cause

ModSecurity WAF rule blocking legitimate request.

generic

Workarounds

  1. 90% success Check audit log for triggered rule ID and whitelist specific rule
  2. 88% success Use SecRuleRemoveById for false positive rules

Dead Ends

Common approaches that don't work:

  1. Disable ModSecurity entirely 85% fail

    No WAF protection

  2. Set SecRuleEngine Off 85% fail

    Same as disabling