Table of Contents
...
Forward all incoming packets through a certain port
In this example all incoming traffic on port 80 redirect to port 8123
...
| Code Block |
|---|
sudo iptables -F sudo iptables -t nat -F sudo iptables -t mangle -F sudo iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 63001 -j DNAT --to-destination 10.0.3.10:3306 sudo iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 64001 -j DNAT --to-destination 10.0.3.10:6379 sudo iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 63101 -j DNAT --to-destination 10.0.3.20:3306 sudo iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 64101 -j DNAT --to-destination 10.0.3.20:6379 sudo iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 60050 -j DNAT --to-destination 10.0.3.50:5044 sudo iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE |
Show all the list in the iptables
| Code Block |
|---|
sudo iptables -S |
...
| Code Block |
|---|
sudo iptables -t nat -L --line-numbers |
Delete all existing rules
| Code Block |
|---|
sudo iptables -F |
Save the existing iptable settings
| Code Block |
|---|
/etc/init.d/iptables save |