ServerVariables collection is used to get the system's environment variables to use the following programs that all content names of the ServerVariables collection are displayed.
<% for Each Item in Request.ServerVariables
Response.write ("
" & item & ":")
Response.write (Request.ServerVariables (Item))
NEXT
%>
The specific system environment variable is as follows:
Auth_Type When the user accesses a protected script, it is used to determine if it is a valid user.
The length of the text submitted by the Content_length client
Text data type submitted by Content_Type
CGI revision used by the Gateway_Interface server
Login_User users log in with a Windows NT account
Path_info client path information
Query_String query information in an HTTP request
Remote_addr Sends the IP address of the requesting remote host, you can know the source of access to this
Remote_host sends a remote host name of the request. If the remote server does not include this information, return to the empty string
REQUEST_METHOD data request method
Basic part of the Script_Map URL
Script_name Executes the virtual path of the script
Server_name This server name DNS alias, IP address, and its developed URL path
Port number used by Server_Port data request
Software name and version number of Server_Software running
Server_Protocol requires protocol and revision of information
URL path of the URL system
HTTP_REFERER When passing by linking to a big current page
HTTP_REFERER HEADER Saves the source of this user
