centos7 firewall防火牆實現映射其餘機器的端口

vi /etc/sysctl.conftcp 增長一行ip net.ipv4.ip_forward = 1cmd   使上述修改生效配置 sysctl -p防火牆   firewall-cmd --add-port=5432/tcp --permanent #開放端口top firewall-cmd --add-forward-port=port=5432:proto=tcp:toaddr=10.

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