Many data centers disable direct root login to servers for security reason. You need to login first as a normal user than su to login as root.

But i like direct login as root. So i disabled this extra security on my servers. If some one can get my root password, they can also get my normal users password. So what i do is use complicated root password and keep it secure.

To enable or disable root login, you need to set this in /etc/ssh/sshd_config file.

# cd /etc/ssh
# vi sshd_config

To disable direct root SSH login, you need to add following to /etc/ssh/sshd_config

PermitRootLogin no

To enable direct root SSH login, you need to add following to /etc/ssh/sshd_config

PermitRootLogin yes

After you do the changes, save and exit. Then restart sshd.

On FreeBSD

# /etc/rc.d/sshd restart

On Linux

# /etc/init.d/sshd restart

Now you will be able to login to SSH directly as root. I use RSA key for authentication, so just double click on the server entry will get me login, no passwords to remember. Only thing is i have to keep my Private Key secure.

原文取自: http://www.scriptinstallation.in/freebsd_permitrootlogin.html 


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