linux修改SSH默认端口

1.登录服务器，打开sshd_config文件

vim etc/ssh/sshd_config

2.找到#Port 22，默认是注释掉的，先把前面的#号去掉，再插入一行设置成你想要的端口号，注意不要跟现有端口号重复

# The strategy used for options in the default sshd_config shipped with

# OpenSSH is to specify options with their default value where

# possible, but leave them commented. Uncommented options change a

# default value.

Port 22

Port 10086

3.保存后退出，执行重启命令

service sshd restart

4.开放端口

firewall-cmd --zone=public --add-port=10086/tcp --permanent

service firewalld restart（重启防火墙）