Centos7 ssh修改預設埠號
阿新 • • 發佈:2019-01-27
修改ssh配置檔案 /etc/ssh/sshd_config,將裡面的 Port 22前面的註釋去掉,將22修改為 4211
whereis ssh
ssh: /usr/bin/ssh /etc/ssh /usr/share/man/man1/ssh.1.gz
cd /etc/ssh
ll
nano sshd_config
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 4211 -j ACCEPT
重啟iptables
systemctl stop iptables
systemctl start iptables
systemctl status iptables
重啟sshd
systemctl status sshd