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Server Variables


USAGE:  Request.ServerVariables (variable)

 Consult The Microsoft Documentation For A Full Description Of All The Server Variables Below.

Variable

ALL_HTTP
AUTH_TYPE
CONTENT_LENGTH
CONTENT_TYPE
GATEWAY_INTERFACE
HTTP_ACCEPT
HTTP_ACCEPT_LANGUAGE
HTTP_CONNECTION
HTTP_USER_AGENT
HTTP_COOKIE
HTTP_HOST
HTTP_COOKIE
LOGON_ACCEPT_ENCODING
PATH_INFO
PATH_TRANSLATED
QUERY_STRING
REMOTE_ADDR
REMOTE_IDENT
REMOTE_HOST
REQUEST_METHOD
SCRIPT_MAP
SCRIPT_NAME
SERVER_NAME
SERVER_PORT
SERVER_PORT_SECURE
SERVER_PROTOCOL
SERVER_SOFTWARE
URL
Here are two examples of what you could do with server variables.
HTTP_REFERER server variable can be used as a Dynamic Previous Page Hyperlink.

Paste this code into an asp file and you have an instant (Back Button).
Or add a graphic if you wish.

<a href="<%= Request.ServerVariables("HTTP_REFERER") %>">Previous Page</a>

Previous Page

HTTP_USER_AGENT server variable can determine the client browser type

<%=Request.ServerVariables("HTTP_USER_AGENT")%>

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

Retrieve a Users IP Address Using Server Variables

Regarding there server variables you can always loop through them as well and show all of them which is very helpful when testing.

<table border="1" width="500" style="border-collapse: collapse">
<%
For each item in Request.ServerVariables
   Response.Write("<tr><td>" & item & "</td><td>")
   Response.Write(Request.ServerVariables(item))
   Response.Write("</td></tr>" & vbCrLf)
Next
%>
</table>
 

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