Ubuntu - Best way to Local PortForwarding.

1. Find out the name of 'rinetd' package.

#apt-cache search rinetd
rinetd - Internet TCP redirection server
socat - multipurpose relay for bidirectional data transfer

2. Install 'rinetd' Package.

#apt-get install rinetd

3. Configure Port-forward setting.

#vi /etc/rinetd.conf

ex)
1) Listen 10322 PORT.
2) Send All TCP packet to Local 22 PORT.
It is simple to configure.

[code language="bash"]
#host port target target_port
0.0.0.0 10322 127.0.0.1 22
[/code]

4. Adjust it.

#/etc/init.d/rinetd restart

로컬 포트포워딩 뿐만 아니라 리모트 포트포워딩도 됩니다.