[ale] Quick And Dirty Tunnel

[Denny Chambers]

As another option, here is a How-To on created a vpn between networks, 
using ppp and SSH.

http://www.tldp.org/HOWTO/mini/ppp-ssh/

cfowler wrote:

>I had a need to create a simple tunnel between two hosts then run ppp
>through that tunnel.  Fairly simple concept but I ended up writing a
>whole pty library interface so I could reuse it in our projects.  
>
>To run in server mode:
>
>qtd -s -i 0.0.0.0 -n 192.168.3.5:192.168.3.4 -p 10005 -d
>
>To run a client to connect to that server
>
>qtd -i server.ip.address -p 10005 -d
>
>It seems to be working fine on my end and I've got the two networks
>routed.  This is to be considered a plain-text VPN.  I have not got
>around to adding blowfish encryption yet.  But it works great.  Requires
>ppp to be installed and pppd to be in /usr/sbin/pppd.
>
>This is very alpha version so not much logging is done to syslog by it. 
>Still check your syslog for any info.  
>
>There is no kill code yet. so just do some kills on pppd and qdt to stop
>it for now.
>
>Let me know what bugs you run into and I'll fix it.
>
>http://www.linuxiceberg.com/qdt/qdt
>
>
>
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