udptunnel

A lightweight TCP over UDP tunneling implementation.

Compiling

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Linux

In source code directory, run:

    make

Windows

Open Visual Studio "Native Tools Command Prompt", go to source code directory, run:

    nmake /f Makefile.msvc

Running

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The udptunnel program can run in server mode or in client mode. The command line syntax is:

usage: udptunnel -s [host:]port [-a acl] ...
   or: udptunnel -c [host:]port -p host:port -t host:port

  Server options:
  -s    server mode. server host and port
  -a    access control list
        acl: [s=<src ip>,][d=<dst ip>,][dp=<dst port>,][a=allow|deny]

  Client options:
  -c    client mode. local TCP server host and port
  -t    tunnel server host and port
  -r    remote host and port

  Common options:
  -v    verbose level, 0-3, default is 1
        0 - Error, 1 - Warning, 2 - Info, 3 - Debug
  -h    show this help and exit

Server example:

    udptunnel -s 192.168.1.6:6688

Client example:

    udptunnel -c 0.0.0.0:1922 -t 192.168.1.6:6688 -r 127.0.0.1:22

License

Apache license.