Modify SSH ports and disable root remote login settings in Linux

Modify SSH ports and disable root remote login settings in Linux

2. View the system version below

   [Email protected] ~]# cat/etc/redhat-release

   CentOS Release 6.7 (Final)

3. Modifying a configuration file

   Linux Modify Port
   vim /etc/ssh/sshd_config
   Find #port
   Remove the previous # and then modify port 1234
   650) this.width=650; "src=" Https://s1.51cto.com/wyfs02/M01/9B/AE/wKiom1ll2nOBTfZVAAANOYt0oEw047.png "title=" 11. PNG "alt=" Wkiom1ll2nobtfzvaaanoyt0oew047.png "/>
   Restart The service is OK
   service sshd restart
   or
   /etc/init.d/ssh restart
   to enhance security
   first add a user with normal permissions and set the password
   useradd test
passwd test
   then disable root remote SSH login:
   vim /etc/ssh/sshd_config
   put one of the
   PermitRootLogin yes
   instead
   PermitRootLogin no650) this.width=650;" src="https://s3.51cto.com/wyfs02/M00/9B/AE/wKioL1ll2tSh-vgqAAALAx9ISbc476.png" title="11.PNG" alt="wKioL1ll2tSh-vgqAAALAx9ISbc476.png" />
   Restarting the sshd service
   service sshd restart
   or
   /etc/init.d/ssh restart
   remote management with ordinary user test login, and then use SU root to switch to the root user can get the highest privileges!
   

   
   

This article is from the "Hand of the Paladin Control" blog, please make sure to keep this source http://wutengfei.blog.51cto.com/10942117/1946764

Modify SSH ports and disable root remote login settings in Linux