This post is created 2 years ago, the content may be outdated.
Install iptables
and iptables-persistent
:
1
| sudo apt install iptables iptables-persistent
|
Enable IPv4 package forwarding:
1 2 3 4 5 6 7 8
| sudo nano /etc/sysctl.conf
net.ipv4.ip_forward=1
sudo sysctl -p
|
Add iptables rules:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
| sudo nano /etc/iptables/rules.v4
*nat
-A PREROUTING -p tcp -m tcp --dport 4364 -j DNAT --to-destination 114.51.41.91:9819 -A POSTROUTING -d 114.51.41.91 -p tcp -m tcp --dport 9819 -j SNAT --to-source 88.94.64.36
-A PREROUTING -p udp -m udp --dport 4364 -j DNAT --to-destination 114.51.41.91:9819 -A POSTROUTING -d 114.51.41.91 -p udp -m udp --dport 9819 -j SNAT --to-source 88.94.64.36
COMMIT
|
Apply changes:
1 2 3 4 5
| sudo systemctl restart iptables
sudo iptables -t nat -L
|