nat-traverse -- NAT gateway traversal utility

2017-10-28
    * v0.7: Fixed a minor syntactical issue which caused a warning on modern
            Perl and relicensed under GPL version 3 or later.

2012-12-24
    * v0.6: Fixed the port forwarding example in the documentation,
            thanks to Marcin Zajączkowski.

2012-02-12
    * v0.5: Adjusted the length of garbage and acknowledgements packets to
            make nat-traverse work under Windows and Android. Thanks to
            Jacobo de Pedro for finding this bug!

2005-08-23
    * v0.4: New option --quit-after-connect to quit nat-traverse after
	    establishing the tunnel.

2005-06-29
    * v0.3: Made nat-traverse work with Perl 5.6.1 (previously Perl 5.8.0 was
            required).

2005-06-26
    * v0.2: Fixed a race condition which caused the two nat-traverse instances
            to sometimes miss each other.

2005-06-25
    * v0.1: Initial release.