create ssh tunnel code example
Example 1: port forwarding linux
echo 1 | sudo tee /proc/sys/net/ipv4/ip_forward
# ENABLES IP FORWARDING TEMPORARILY
Example 2: how to enable the port mapping to the SSH port windos
ssh -R remote_port:localhost:local_port ssh_server_hostname
Example 3: port forwarding linux
sudo nano /etc/sysctl.conf
# UNCOMMENT `net.ipv4.ip_forward=1`
#AFTER, EXECUTE THESE COMMANDS
sudo sysctl -p
sudo sysctl --system
Example 4: ssh tunnel port
ssh -L 80:intra.example.com:80 gw.example.com