Glossary: Logs and Data Sources for Investigations

HTTP status codes

Also written: status code, 200, 400, 401, 404

The number a web server returns for each request: 200 OK (success), 400 bad request, 401 unauthorized (sign-in needed or failed) and 404 not found; codes 400 and above are errors. In the shop's access log the status code is field 9.