Hi there,
Due to the incredible costs quoted by ISP's to provide a VPN solution I've been trying to figure out the easiest and simplest way to create a VPN tunnel between two networks where both endpoints are sitting behind NAT devices. Each site has a single fixed IP address and a cheap adsl Ethernet modem with NAT enabled.
I don't require encryption on the tunnel and I favour FC3/2 as the end point OS. IPSec solutions built into the OS don't work over NAT, nor does openswan and I can't follow the IPSec over UDP solutions offered. Haven't tried the PPP over ssh option (from tldp) as it got a bad wrap about reliability.
Windows2000 R&Ras has a nice pptp vpn solution that is NAT friendly and easy to setup, but I don't want to go there when I can use Linux instead for obvious reasons.
So I came back to iptunnel command (using mode ipip) and searched for examples. One of the best examples I can find is as http://www.seattlewireless.net/index.cgi/IpTunnel. I can't make it happen on my network below. What I can't figure out is:
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I appreciate any help, but would prefer to have a smart slugger hand me the solution on a silver plate. Fingers crossed ;-)
Andre
Sorry no silver platter - have you looked at OpenVPN? Not sure how it is to setup as I've never tried it before. CIPE is another option, have used this in the past between 2 NAT'ed networks. Worked fine, although some time ago it got a bad wrap security-wise (not sure how validly though)?
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