查看firewalld状态：
systemctl status firewalld
临时关闭firewalld：
systemctl stop firewalld
永久关闭firewalld：
systemctl disable firewalld
临时和永久关闭firewalld
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查看firewalld状态：
systemctl status firewalld
临时关闭firewalld：
systemctl stop firewalld
永久关闭firewalld：
systemctl disable firewalld
关注微信公众号