>>>>> "Boysenberry" == Boysenberry Payne <[EMAIL PROTECTED]> writes:

Boysenberry>    I'm using a two server system.  Front end Apache 1.33/php4
Boysenberry> uses mod_proxy
Boysenberry> and mod_rewrite to proxy to the back end Apache2/MP2 system.

Boysenberry>    I was wondering if $ENV{HTTP_X_FORWARDED_HOST} is a reliable way
Boysenberry> to determine the domain of the request; or is it easily spoofed?

    telnet your.server.example.com 80
    GET /some/url HTTP/1.0
    X-forwarded-for: some-other-host
    CR
    CR

Yeah, that's tough to spoof. :)

-- 
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
<merlyn@stonehenge.com> <URL:http://www.stonehenge.com/merlyn/>
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