Re: Fedora 31 System-Wide Change proposal: Disable Root Password Login in SSH

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On Fri, May 17, 2019 at 9:09 AM Mauricio Tavares <raubvogel@xxxxxxxxx> wrote:
>
> On Fri, May 17, 2019 at 8:24 AM Stephen Gallagher <sgallagh@xxxxxxxxxx> wrote:
> > 3) Force Anaconda to require the creation of a non-root user that is a
> > member of the `wheel` group, so that this user can be used to SSH in
> > and administer the system. Essentially, remove the root user creation
> > spoke as an option from the interactive install.
>
>       That seems similar to the approach adopted by ubuntu and it has
> worked. With that said, I do not see the difference between ssh'ing
> using an user in the wheel group vs root as both can do the same. But
> that is me. Being able to tell who sudo'ed, yes.


There are two big advantages here:
1) As you pointed out, you have the sudo log to inform you of which
user took the action.
2) It confounds automated attack scripts. Unless your admin user has a
well-known or easily-guessable name, automated attacks will probably
not know what user to try. 'root' is a big target at least in part
because it always exists.
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