it-infra/m-labs-intl/gretun.sh
Egor Savkin d27ee750a2 m-labs-intl.com VPS setup information
Co-authored-by: Egor Savkin <es@m-labs.hk>
Co-committed-by: Egor Savkin <es@m-labs.hk>
2024-10-21 15:48:17 +08:00

11 lines
514 B
Bash
Executable File

#!/bin/bash
/usr/sbin/iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 25 -j DNAT --to-destination 10.47.3.1:25
/usr/sbin/iptables -A FORWARD -p tcp -d 10.47.3.1/31 --dport 25 -j ACCEPT
/usr/sbin/iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 587 -j DNAT --to-destination 10.47.3.1:587
/usr/sbin/iptables -A FORWARD -p tcp -d 10.47.3.1/31 --dport 587 -j ACCEPT
/usr/sbin/iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
/usr/sbin/iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE