How do I forward a port using SSH?

Published by Anaya Cole on 10/05/2022

How do I forward a port using SSH?

Select Local to define the type of SSH port forward.

1. Enter your local port number in the Source port field.
2. Type the destination address and port number in the Destination field.
3. Once you verify that the information you entered is correct, select Add.
4. The parameters for the connection are now all set.

How do I allow outgoing traffic in iptables?

Allow Outgoing Connections

1. iptables -A OUTPUT: Append the new rule to the OUTPUT chain.
2. -o eth0: This refers the output interface.
3. -p tcp: Indicates that this is for TCP protocol.
4. –dport 22: This refers to the destination port for the outgoing connection.
5. -m state: This indicates that “state” matching module is used.

How do you open a 22 port?

Configure the Windows Firewall

1. Click on Start –> Control Panel –> Windows Firewall –> Exceptions Tab.
2. Click the Add Port… button.
3. Name: SSH.
4. Port Number: 22.
5. TCP.
6. Click OK to add the SSH exception to the firewall.
7. Click OK to close the Windows Firewall screen.

How to redirect incoming traffic to another port in Nat table?

You can easily redirect incoming traffic by inserting rules into PREROUTING chain of the nat table. You can set destination port using the REDIRECT target. The syntax is as follows to redirect tcp $srcPortNumber port to $dstPortNumber: The syntax is as follows to redirect udp $srcPortNumber port to $dstPortNumber:

How to redirect UDP $srcportnumber to $dstportnumber in iptables?

The syntax is as follows to redirect udp $srcPortNumber port to $dstPortNumber: iptables -t nat -A PREROUTING -i eth0 -p udp –dport $srcPortNumber -j REDIRECT –to-port $dstPortNumber. Replace eth0 with your actual interface name.

Where can I find the target of iptables?

Quoting from the iptables man page: This target is only valid in the nat table, in the PREROUTING and OUTPUT chains, and user-defined chains which are only called from those chains.

How to set destination port using redirect target?

You can set destination port using the REDIRECT target. The syntax is as follows to redirect tcp $srcPortNumber port to $dstPortNumber: The syntax is as follows to redirect udp $srcPortNumber port to $dstPortNumber: Replace eth0 with your actual interface name. The following syntax match for source and destination ips: