DLF Schema for WWW service In this DLF schema, each record represents a request to the web server. It has the equivalent information than the common log format supported by most web servers. The hostname (or ip address) of the clients that made the request. If the request was authenticated, this field should contains the name of the authenticated user. Not that there is no indication of which authentication method was used (RFC1531, WWW authentication, etc.). The numeric result code of the request. That's is 200, 301, etc. The number of bytes sent to the client during the request. The method used by the client for the request. That is usually one of GET, HEAD, POST, etc. The URL that was requested by the client. The protocol used by the client. It should usually be one of HTTP/1.0 or HTTP/1.1. The time of the request. The content of the Referer header that was sent along the request. That usually represents the referring URL, that's the URL which the user was browsing when this URL was requested. The content of the User-Agent header that was sent along the request. That usually contains information the web browser used by the client. When automatic compression is used, this should contains the result code from the compression submodule. When automatic compression of the results is used, this field should contains the compression ratio achieved.