nat-traverse 0.4 review

nat-traverse establishes connections between nodes which are behind NAT gateways, i.e

License: GPL (GNU General Public License) File size: 15K Developer: Ingo Blechschmidt

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nat-traverse establishes connections between nodes which are behind NAT gateways, i.e. hosts which do not have public IP addresses.

Additionally, you can setup a small VPN by using pppd on top of nat-traverse. nat-traverse does not need an external server on the Internet, and it isn't necessary to reconfigure the involved NAT gateways, either. nat-traverse works out-of-the-box.

Limitations:
Only IPv4 is supported, nat-traverse won't work with IPv6 addresses. Even though it would be relatively trivial to add IPv6 support, I refrained from doing that, as there's no need to use NAT with IPv6 (the address space IPv6 provides is sufficient).

What's New in This Release:
New option --quit-after-connect quits nat-traverse after the tunnel has been established successfully.