The forwarding rule itself can be added as follows: iptables -t nat -A PREROUTING -p tcp -d --dport 8080 -j DNAT --to-destination Let's break that down. -t nat tells iptables that we want to work on the Network Address Translation (NAT) table.

Configuring IP Forwarding Policies #!/bin/sh # # Partial IPTABLES config to enable simple IP forwarding and Masquerading # v0.61 # # NOTE: The following is an example to allow only IP Masquerading for the # and machines with a or a # "/24" subnet mask connecting to the Internet on interface eth0. Docker: Port Forwarding for Docker Container through IPTables Setup IPTables. Now we need to deploy IPTables on Host machine so that we could connect Docker container Apache from outside world. First we should check port 80 on Docker Host machine. #nc -w 5 -v 80 nc: connect to port 80 (tcp) failed: No route to host Let’s deploy IPTables for Docker Container IP Address: Easy IPTables Configuration and Examples on Ubuntu 16.04 Jan 29, 2018

Then you'll need to configure iptables to forward the packets from your internal network, on /dev/eth1, to your external network on /dev/eth0. You do this will the following commands: # /sbin/iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE # /sbin/iptables -A FORWARD -i eth0 -o eth1 -m state --state RELATED,ESTABLISHED -j ACCEPT # /sbin

Tutorial: Configure port forwarding - Azure portal - Azure With port forwarding, you can remote desktop to a back-end VM by using the IP address of the load balancer and the front-end port value defined in the NAT rule. In the portal, on the Overview page for MyLoadBalancer, copy its public IP address. Hover over the address and select the Copy icon to copy it. networking - Two Network cards and ip forwarding - Ask Ubuntu Right now, the one can ping to router (the real router not Ubuntu but that router can't ping to the Imagine that I have 2 computer (A, B) and a router (C) A has IP B has IP, and C has IP A connect to B B connect to C A can talk (ping) to C via B but C can't talk

How-To: Redirecting network traffic to a new IP using IPtables

How to Set up Port Forwarding with iptables | Ivo Berger