softroute/gateway/20_nat_forward.sh
2025-12-02 00:10:47 +08:00

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#!/bin/bash
source ./00_env.sh
set -euo pipefail
echo 1 > /proc/sys/net/ipv4/ip_forward
grep -q '^net.ipv4.ip_forward' /etc/sysctl.conf || echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf
iptables -t nat -A POSTROUTING -s $LAN_NET -o $WAN_IF -j MASQUERADE
netfilter-persistent save || true
echo "NAT 出口 + IP 转发配置完成"