Re: Fedora change that will probably affect RHEL

Warren Young <wyml@xxxxxxxxxxx> · Wed, 29 Jul 2015 13:29:54 -0600

On Jul 28, 2015, at 8:37 PM, Gordon Messmer <gordon.messmer@xxxxxxxxx> wrote:
> 
> On 07/28/2015 04:29 PM, Warren Young wrote:
>> They turned off "PermitRootLogin yes" and "Protocol 1" in EL6 or EL7, the previous low-hanging fruit.  Do you think those were bad decisions, too?
> 
> As far as I know, PermitRootLogin has not been set to "no" by default. 

My mistake.  I grepped sshd_config on a fresh EL7 machine here and saw

  #PermitRootLogin yes

and assumed it meant “no”.  It’s just documenting the default.

I explicitly set it to “no” on systems I am solely in control of, and I’d prefer that upstream changed that default in the precursor(s) to CentOS 8, too.  EL7 ships ready to use sudo out-of-the-box, if you tick the “administrative user” checkbox on the non-root user during install.  That removes the last good reason to allow remote root logins by default.
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