How to disable direct root login
Direct login for the root user is a major security issue. We can disable direct login access to reduce the security risk. This way we can have two separate passwords for root access which makes the box more secure. Also we are using the protocol 2 which is newer and more secure.
1. SSH into your server as ‘admin’ and gain root access by su
2. Copy and paste this line to edit the file for SSH logins
3. Find the line
4. Uncomment it and change it to look like
5. Next, find the line
6. Uncomment it and make it look like PermitRootLogin no
7. Save the file Ctrl+X then Y then enter
8. Now you can restart SSH
Now, no one will be able to login to root with out first loggin in as admin and ’su -’ to root.
Be sure that you remember both the passwords!
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