HTTP_HOST and its meaning

[Figzus]

Okay I have this breadcrumb that was created in C#. I was wandering what the HTTP_HOST mean in the following code.

// get the url root, like

http://www.domain.com

string strDomain=Page.Request.ServerVariables["HTTP_HOST"].ToString();
strDomain.Trim(); // Trim removes leading and trailing whitespace
sbResult.Append ( "<a href='

http://"

+ strDomain + "'>" + RootName + "</a>" + Separator );

 

[chiph]

It's a server variable. There are a number of them defined by the W3C spec, as well as the various http server makers.

Chip H.


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