Apr 29 2013

Disable root SSH Login on Linux Server

Category: Database Security,Linux & Unix,System SecurityFatih Acar @ 10:45

Root user is the most authoritative user on linux operating systems. You can take measure for security with disable root ssh. You can connect to server with other users.

Edit sshd_config

vi /etc/ssh/sshd_config

#LoginGraceTime 2m
#PermitRootLogin yes
#StrictModes yes

Note : “PermitRootLogin yes” is default value. This value allows ssh root login
You have to change parameter and remove # symbol.

#LoginGraceTime 2m
PermitRootLogin no
#StrictModes yes

Edit Port

Note : You can change ssh connection port, then you can provide extra security.

vi /etc/ssh/sshd_config
#Port=22

Change port number

Port=2234

Restart sshd Service

service sshd restart

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Tags: Database Security, System Administration, System Security

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