Some of the common HTTP Status codes taken from RFC 2616 which can help penetration testers / cybersecurity analysts / IT Admins are below :
| Transaction/Error | Status | Description |
|---|---|---|
| Successful Transactions | 200 | OK |
| Successful Transactions | 201 | Created |
| Successful Transactions | 202 | Accepted |
| Redirected Transactions | 301 | Moved Permanently |
| Redirected Transactions | 302 | Moved Temporarily |
| Redirected Transactions | 304 | Not Modified |
| Client Side Errors | 400 | Bad Request |
| Client Side Errors | 401 | Unauthorised |
| Client Side Errors | 403 | Forbidden |
| Client Side Errors | 404 | Not Found |
| Server Side Errors | 500 | Internal Server Error |
| Server Side Errors | 501 | Not Implemented |
| Server Side Errors | 502 | Bad Gateway |
| Server Side Errors | 503 | Service Unavailable |
