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skato-ansible/roles/init-server/files/usr/local/bin/dsnet-forward.sh

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#!/bin/bash
set -euo pipefail
if [[ "$1" == "start" ]]; then
/usr/sbin/iptables -A FORWARD -i dsnet -p tcp --sport {80,443,465,587,995,110,143,993} -j ACCEPT
/usr/sbin/iptables -t nat -A POSTROUTING -o dsnet -j MASQUERADE
elif [[ "$1" == "stop" ]]; then
/usr/sbin/iptables -D FORWARD -i dsnet -p tcp --sport {80,443,465,587,995,110,143,993} -j ACCEPT
/usr/sbin/iptables -t nat -D POSTROUTING -o dsnet -j MASQUERADE
fi