centos7更改SSH端口-腾讯云开发者社区-腾讯云 (tencent.com) linux centos修改ssh端口号_semanage port -a -t ssh_port_t -p tcp-优快云博客 CentOS 7修改SSH端口并配置iptables防火墙 https://blog.youkuaiyun.com/yuanfang_way/article/details/78312664