How can I detect HTTP header information?

Source: Internet
Author: User
Tags servervariables

<Html>

<Head>

<Title> HTTP headERS detection </title>

</Head>

<Body>

<Table border = 1>

<Tr> <td VALIGN = TOP> <B> variable </B> </td>

<Td VALIGN = TOP> <B> value </B> </td> </tr>

<% For Each key In Request. ServerVariables %>

<Tr>

<Td> <% = key %> </td>

<Td>

<%

If Request. ServerVariables (key) = "" Then

If GetAttribute (key) = "" Then

Response. Write ""

Else

Response. Write GetAttribute (key)

End If

Else

Response. Write Request. ServerVariables (key)

End If

Response. Write "</td>"

%>

</Tr>

<% Next %>

</TABLE>

</Body>

<%

Function GetAttribute (AttrName)

Dim AllAttrs

Dim RealAttrName

Dim Location

Dim Result

AllAttrs = Request. ServerVariables ("ALL_HTTP ")

RealAttrName = AttrName

Location = instr (AllAttrs, RealAttrName &":")

If Location <= 0 Then

GetAttribute = ""

Exit Function

End If

Result = mid (AllAttrs, Location + Len (RealAttrName) + 1)

Location = instr (Result, chr (10 ))

If Location <= 0 Then Location = len (Result) + 1

GetAttribute = left (Result, Location-1)

End Function

%>

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