| Contents > CFML Reference > Reserved Words and Variables > CGI environment variables > CGI client variables |
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The following table describes common CGI environment variables the browser creates and passes in the request header:
CGI client variable |
Description |
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HTTP_REFERER |
The referring document that linked to or submitted form data. |
HTTP_USER_AGENT |
The browser that the client is currently using to send the request. Format: software/version library/version. |
HTTP_IF_MODIFIED_SINCE |
The last time the page was modified. The browser determines whether to set this variable, usually in response to the server having sent the LAST_MODIFIED HTTP header. It can be used to take advantage of browser-side caching. |
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| Contents > CFML Reference > Reserved Words and Variables > CGI environment variables > CGI client variables |
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BCPower001 said on Aug 27, 2003 at 8:20 AM :