Re: httptunnel

[Brian Hatch <bri () stunnel org>]

> I can't get httptunnel to work through proxy servers (such as Raptor).
> I can get httptunnel to work from client to server when there is
> no proxy server in between.  However, when I have an actual http proxy
> server in between client and server, the connection never happens.
> The client attempts the connection, but eventually times out.
> Any suggestions on using httptunnel when communicatig through a
> proxy server?
>
> This does work (no proxy server in between):
> Server ->  hts -F localhost:22 80
> Client ->  htc -F 22 server:80
>
> This does NOT work (proxy server in between):
> Server -> hts -F localhost:22 80
> Client -> htc -F 22 -P proxyserver:8080 server:80

Some proxy servers (I'm assuming a non transparent proxy) require
a decent level of 'proof' that the connecting program is a web browser.
Try adding some addl http headers, such as browser type:
        
        User-Agent: Mozilla/3.01Gold (X11; I; HP-UX A.09.05 9000/770)

I don't know if that's already built into httptunnel or not, but if
not it's useful.



--
Brian Hatch                "Let me be your willow."
   Systems and
   Security Engineer
http://www.ifokr.org/bri/

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