VPN over SSL /w UDP?

Gerry Hull gerry at telosity.com
Fri Oct 9 14:11:38 EDT 2009


Hey All,

I'm running my asterisk server on a hosted VPS...   I'd like to run a
VPN from that server to home, so I can connect a bunch of UNISTIM
Nortel phones (UDP on port 5000 for signaling, RTP for audio like
SIP).   This solves the issue that I can only run one Nortel behind
NAT.

So, I'm looking at VPN solutions.   I cannot install hamachi, which
would be easy to deal with, becuase the VPS host kernel would require
mods, and the vendor, of course, would not do it.

If I want to run OpenVPN, I have to pay them an extra $10/month.

So, I was wondering if I'm crazy or what?   Can I use nc to protocol
forward a range of UDP ports to TCP, and run them over a TCP tunnel?

The home server is Windows XP...   I was thinking of using the
SDPConnector software on the client side.

Also sitting in the junk box is a Linksys RVL300...  and I have a
couple of WRT54GLs running DDWRT v23 which could be pressed into
service...

The real quandry is how to tunnel using SSH, as I have little choice
on my VPS.   The VPS is the latest CentOS 5.x, 640M RAM, lots o disk.

Thanks in Advance,

Gerry


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