HTTP_ACCEPT |
All MIME types that the client will accept, as given by HTTP headers. Each item in this list is separated by commas.Format: type/subtype, type/subtype |
HTTP_USER_AGENT |
The browser the client is using to send the request. General Format: software/version library/version |
SERVER_SOFTWARE |
The name and version of the information server software answering the request (and running the gateway). Format: name/version |
SERVER_NAME |
The server's hostname, DNS alias, or IP address as it would appear in self-referencing URLs. |
GATEWAY_INTERFACE |
The revision of the CGI specification to which this server complies. Format: CGI/revision |
SERVER_PROTOCOL |
The name and revision of the information protocol this request came in with.Format: protocol/revision |
SERVER_PORT |
The port number to which the request was sent. |
REQUEST_METHOD |
The method with which the request was made. For HTTP, this is GET, HEAD, POST, and so on. |
PATH_INFO |
The extra path information, as given by the client. In other words, scripts can be accessed by their virtual pathname, followed by extra information at the end of this path. The extra information is sent as PATH_INFO. |
PATH_TRANSLATED |
The server provides a translated version of PATH_INFO, which takes the path and does any virtual-to-physical mapping to it. |
SCRIPT_NAME |
A virtual path to the script being executed, used for self-referencing URLs. |
QUERY_STRING |
The information that follows the ? in the URI that referenced this script. |
REMOTE_HOST |
The hostname making the request. |
REMOTE_ADDR |
The IP address of the remote host making the request. |
AUTH_TYPE |
If the server supports user authentication and the script is protected, this is the protocol-specific authentication method used to validate the user. |
REMOTE_USER |
If the server supports user authentication and the script is protected, this is the username they have authenticated as. |
REMOTE_IDENT |
If the HTTP server supports RFC 931 identification, then this variable will be set to the remote username retrieved from the server. |
CONTENT_TYPE |
For queries that have attached information, such as HTTP POST and PUT, this is the content-type of the data. |
CONTENT_LENGTH |
The length of the said content as given by the client. |
POST /cgi-bin/Echo2 HTTP/1.0 Accept: */*; q=0.300 Accept: application/octet-stream; q=0.100 Accept: text/plain Accept: text/html From: somebody@somewhere.com User-Agent: Mozilla/5.0Platinum Content-length: 588 Content-type: application/x-www-form-urlencoded
Now that I've discussed the request, it's time to look at the response from the Web server.
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