404.3
MIME type restriction.
Substatus code
Unofficial (Microsoft Internet Information Services)
The current MIME mapping for the requested extension type is invalid or isn't configured
Specification of the HTTP status code 404.3
work in progress
Source / Quote by: The 404.3 MIME type restriction. HTTP Status Code is specified by section 404 of HTTP IIS.
Browser compatibility of the 404.3 status code
| Chrome | no data |
| Edge | no data |
| Firefox | no data |
| Opera | no data |
| Safari | no data |
| Chrome Android | no data |
| Firefox for Android | no data |
| Opera Android | no data |
| Safari on iOS | no data |
| Internet | no data |
| WebView Android | no data |
