目录引言为什么要更改 SSH 默认端口?步骤详解:如何更改 Centos 7 的 SSH 默认端口1. 备份 SSH 配置文件2. 修改 SSH 配置文件,增加或更改端口3. 配置 SElinux 允许新 SSH 端口4. 配置防火墙(Firewalld)放行新端口
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