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  • Centos7端口映射

    开启tomcat后,访问需要加端口号8080才能访问,在不改变tomcat默认端口号的情况下,添加nat的端口映射,将80端口映射到8080端口,即可实现不加8080访问。

    向nat表的 PREROUTING链 的末尾追加 “目的端口为80,映射到8080” 的表项

    iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 8080

    端口映射命令(80>8080):

    iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 8080
    

    重启后会失效。

    保存命令:

    service iptables save
    

    centos7没有该命令:

    # service iptables save
    The service command supports only basic LSB actions (start, stop, restart, try-restart, reload, 
    force-reload, status). For other actions, please try to use systemctl.
    

    解决方法:
    1.先执行如下命令:

    systemctl stop firewalld
    systemctl mask firewalld
    

    2.安装iptables services

    yum install iptables-services
    

    3.设置开机启动

    systemctl enable iptables
    

    4.重启iptables service

    systemctl restart iptables
    

    5.执行保存配置命令

    service iptables save
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  • 原文地址:https://www.cnblogs.com/kinwing/p/11202847.html
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