Useful iptables Port Forwarding Patterns
How to forward port using iptables in Linux - Kernel Talks Feb 28, 2019 How to Set Up Gateway Using iptables and route on Linux Feb 20, 2020
Aug 03, 2017
Useful iptables Port Forwarding Patterns Oct 01, 2012
How To Set Up a Firewall Using Iptables on Ubuntu 14.04
To prevent this, iptables provides routing and forwarding policies that can be implemented to prevent aberrant usage of network resources. The FORWARD policy allows an administrator to control where packets can be routed within a LAN. For example, to allow forwarding for the entire LAN (assuming the firewall/gateway is assigned an internal IP linux - How can I port forward with iptables? - Server Fault 2) Add 2 iptables rules to forward a specific TCP port: To rewrite the destination IP of the packet (and back in the reply packet): iptables -A PREROUTING -t nat -p tcp -i ppp0 --dport 8001 -j DNAT --to-destination 192.168.1.200:8080 To rewrite the source IP of the packet to the IP of the gateway (and back in the reply packet): How to forward port using iptables in Linux - Kernel Talks Feb 28, 2019