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Re: [Openvpn-users] Re: how to share tcp port 443 between OpenVpn and Apache?


  • Subject: Re: [Openvpn-users] Re: how to share tcp port 443 between OpenVpn and Apache?
  • From: Konrad Karl <kk_konrad@xxxxxx>
  • Date: Mon, 24 Jan 2005 15:55:41 +0100

On Mon, Jan 24, 2005 at 03:19:12PM +0100, Richard Atterer wrote:
> As another possibility, have a look at httptunnel, which encapsulates any 
> bidirectional data stream into HTTP requests. 
> <http://www.nocrew.org/software/httptunnel.html>
> 

the performance is not optimal - I have already tried this.
HTTP CONNECT is OK performance-wise.

> BTW, have you checked whether port 53 is firewalled? It often isn't with 
> sloppy firewalls.
> 
> To James & Co: A really cool thing would be an OpenVPN-over-DNS mode. :-)
> DNS is *always* available, it's UDP (perfect for our needs), and apparently 
> arbitrary data can be transported quite easily and efficiently, see
> <http://savannah.nongnu.org/projects/nstx/>.

No. DNS is not available at all in bigger networks where everything has
to go over a proxy. The proxy is doing the DNS requests.

Konrad

> 
> Cheers,
> 
>   Richard

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