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How to disable SSH root access in Fedora 27 using the Terminal?

asked 2018-01-26 21:14:36 -0500

paranoid_security gravatar image

I just executed the command "rkhunter --check" and there's a warning telling me to disable remote root access, also known as Secure Shell root login. I managed to do this in previous versions of Fedora by changing a line in the config file /var/log/rkhunter/rkhunter.log from "#PermitRootLogin" to "PermitRootLogin". As of now, this doesn't have any effect on the warning issued by rkhunter. So, is this a flaw in rkhunter or a change in the source code of Fedora? Any type of help that fixes this issue is highly appreciated.

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/var/log/rkhunter/rkhunter.log does not sound like a config file, more like log file.

florian gravatar imageflorian ( 2018-01-27 00:03:29 -0500 )edit

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answered 2018-01-27 00:23:58 -0500

Mordoc gravatar image

I think what you want is the following:

sudo vi /etc/ssh/sshd_conf

Change the line that reads PermitRootLogin yes to PermitRootLogin no and then restart ssh:

sudo systemctl restart sshd.service

If you don't have sudo access, su to root and run the commands without sudo in front of each.

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For fedora 28, the configuration file is /etc/ssh/sshd_config

ThierryC gravatar imageThierryC ( 2018-09-10 01:52:02 -0500 )edit

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Asked: 2018-01-26 21:14:36 -0500

Seen: 995 times

Last updated: Jan 27 '18