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Knowledge Base & Operational DocumentationHow to Troubleshoot a Website That Returns 403 After a Permission Change
11/10/2026
A permissions update can block the web server, application user, or directory traversal needed to serve a page.
Checks to make
Check the denied path, web server user, ownership, ACLs, and security logs. Compare with the intended deployment permissions and restore only the required access. Avoid making the whole site writable as a quick fix.
When to get help
Hosting support can review file permissions and web access rules. Informatix Systems can assess the symptoms, evidence, and next steps. Contact Informatix Systems to discuss this issue.