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linux SSH端口修改

2014-12-13 14:27
Linux下修改22端口
 
Linux中SSH默认端口为22,为了安全考虑,我们有必要对22端口进行修改,现修改端口为60000;修改方法如下:
在/etc/ssh/sshd_config中找到Port 22,将其修改为60000,或使用/usr/sbin/sshd -p 60000指定端口。
 
[root@localhost /]# vi /etc/ssh/sshd_config
Port 60000
[root@localhost /]# /usr/sbin/sshd -p 60000
[root@localhost /]# service sshd restart
停止 sshd:                                      [  确定  ]
启动 sshd                                        [  确定  ]
 
如果用户想让22和60000端口同时开放,只需在/etc/ssh/sshd_config增加一行内容如下:
[root@localhost /]# vi /etc/ssh/sshd_config
Port 22
Port 60000
保存并退出
[root@localhost /]# /etc/init.d/sshd restart
停止 sshd:                                       [  确定  ]
启动 sshd                                         [  确定  ]
 
测试
Xshell:> ssh root@192.168.1.90
Connecting to 192.168.1.90:22...
Connection established.
Escape character is ^@].
Last login: Sun Mar 14 22:44:44 2010 from www-72cbd3ffe95.
[root@localhost ~]#
 
Xshell:> ssh root@192.168.1.90 60000
Connecting to 192.168.1.90:60000...
Connection established.
Escape character is ^@].
Last login: Sun Mar 14 22:47:47 2010 from www-72cbd3ffe95.

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