Kode status dari program webserver Apache ini untuk memudahkan menganalisa access.log atau error.log dari website anda. Berikut klasifikasi kode error milik program apache.

Digit pertama menyatakan kelas-kelas dari jawaban apache:

1xx: Informational - Request received, continuing process 2xx: Success - The action was successfully received,understood, and accepted 3xx: Redirection - Further action must be taken in order to complete the request 4xx: Client Error - The request contains bad syntax or cannot be fulfilled 5xx: Server Error - The server failed to fulfill an apparently valid request

Untuk detail digit berikutnya lebih lengkapnya adalah sebagai berikut.

"100"  ; Section 10.1.1: Continue 
"101"  ; Section 10.1.2: Switching Protocols 
"200"  ; Section 10.2.1: OK 
"201"  ; Section 10.2.2: Created 
"202"  ; Section 10.2.3: Accepted 
"203"  ; Section 10.2.4: Non-Authoritative Information 
"204"  ; Section 10.2.5: No Content 
"205"  ; Section 10.2.6: Reset Content 
"206"  ; Section 10.2.7: Partial Content 
"300"  ; Section 10.3.1: Multiple Choices 
"301"  ; Section 10.3.2: Moved Permanently 
"302"  ; Section 10.3.3: Found 
"303"  ; Section 10.3.4: See Other 
"304"  ; Section 10.3.5: Not Modified 
"305"  ; Section 10.3.6: Use Proxy 
"307"  ; Section 10.3.8: Temporary Redirect 
"400"  ; Section 10.4.1: Bad Request 
"401"  ; Section 10.4.2: Unauthorized 
"402"  ; Section 10.4.3: Payment Required 
"403"  ; Section 10.4.4: Forbidden 
"404"  ; Section 10.4.5: Not Found 
"405"  ; Section 10.4.6: Method Not Allowed 
"406"  ; Section 10.4.7: Not Acceptable
"407"  ; Section 10.4.8: Proxy Authentication Required 
"408"  ; Section 10.4.9: Request Time-out 
"409"  ; Section 10.4.10: Conflict 
"410"  ; Section 10.4.11: Gone 
"411"  ; Section 10.4.12: Length Required 
"412"  ; Section 10.4.13: Precondition Failed 
"413"  ; Section 10.4.14: Request Entity Too Large 
"414"  ; Section 10.4.15: Request-URI Too Large 
"415"  ; Section 10.4.16: Unsupported Media Type 
"416"  ; Section 10.4.17: Requested range not satisfiable 
"417"  ; Section 10.4.18: Expectation Failed 
"500"  ; Section 10.5.1: Internal Server Error 
"501"  ; Section 10.5.2: Not Implemented 
"502"  ; Section 10.5.3: Bad Gateway 
"503"  ; Section 10.5.4: Service Unavailable 
"504"  ; Section 10.5.5: Gateway Time-out 
"505"  ; Section 10.5.6: HTTP Version not supported

semoga membantu :)