[Zope] show all http headers

What's the equivalent in Zope to the following VBScript/ASP snippet: For Each x in Request.ServerVariables Response.Write "<p>" & x & " = " & Request.ServerVariables(x) Next For what it's worth, my reason for asking--aside from general debugging knowledge--is because I want to see whether my: squid --> apache --> zope setup is passing along an X-Forwarded-For http header. For now, Apache is recording the internal IP address of the squid proxy in the weblogs, which is pretty useless. // m -