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RE: [Openvpn-users] Re: http-proxy


  • Subject: RE: [Openvpn-users] Re: http-proxy
  • From: "Tom Fanning" <mailinglists@xxxxxxxxxx>
  • Date: Sun, 4 Dec 2005 11:37:49 -0000

> Because I don't know what IP addresses I will be coming from?
> The problem is that I need to use the VPN from public sites.
> A few sites I found only allow access outside their network on
> to a limited set of destination port #.
> 
> So my plan is to provide a 'http-proxy' on my server (which 
> is reachable
> from the Internet). Obviously that proxy must be secured against abuse
> (HTTP proxies allowing 'CONNECT' are great for spammers).
> 

My university "nannies" our wifi connections to what it regards as ports
that "secure" protocols use, blocking all else. So I just run an instance of
OpenVPN on TCP port 443 outside the uni, pretending to be HTTP/SSL, and
their firewall merrily lets the traffic through. Could probably do similar
running OpenVPN on UDP port 53, pretending to be DNS if you need UDP.

Just an idea instead of needing to use an HTTP proxy, might be more
efficient.

Tom


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