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Simple Tunnel written on C code - it can be used to small tunnel applications.
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README.md

Tunnel_C

Simple Tunnel Working on C

it can be used to small tunnel applications.

Compilation using GCC

This software is known to have run for me under Linux/Intel, Solaris/Intel, Solaris/Sparc, SunOS/Sparc.

 Linux:   gcc -O2 -Wall                          tunnel.c -o tunnel
 Solaris: gcc -O2 -Wall -lsocket -lnsl -DSOLARIS tunnel.c -o tunnel
 SunOS:   gcc -O2 -Wall                -DSUNOS   tunnel.c -o tunnel

Implementation

help menu

 tunnel -h

example of HTTPS website

 ./tunnel -Lr <ip_forClient_2_connect_as_public>:<public_port> <private_ip_or_local_ip_to_expose>:<private_port>
 ./tunnel -Lr 31.220.09.177:8878 23.87.270.189:5001

then open on your navigator "https://31.220.09.177:8878" and you will be taken to the https website that you are tunneling.

Diagram of Connection

Exposed IP(31.220.09.177:8878):
<-------><<31.220.09.177:8878>> <----------><23.87.270.189:5001> <---->PortForward<----> <localIPwhereOF_the_https> (192.168.1.7:57)