Re: FC16 - moving sshd to another port

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On Thu, 08 Dec 2011 09:26:31 -0500, RM (Robert) wrote:

> I have always run SSHD on a different port as part of my obfusication.  
> Yeah, I know it will not stop good portscanners, but it stops all that 
> stupid doorknocking on port 22...
> 
> So I changed sshd_config to use port 557 (not really, but I'm not 
> telling here) and enabled root login (yeah I know I can get in and then 
> do a su -, but perhaps I am a bit lazy).  And restarted sshd (service 
> sshd restart).
> 
> Will this got:
> 
> Redirected to /bin/systemctl
> 
> And then doing a service sshd status I see that it failed with 
> status=255.  Oops perhaps the firewall, I did not open port 557.

No. The firewall settings would not stop sshd from listening.

> So I go over to the firewall gui and open port 557 as a custom TCP 
> port.  Restarted sshd.  Still a failure.  hmmm.  Oh, is this the SELinux 
> stuff that I would always disable?  Maybe this time I want to fight with 
> SELinux instead of just disabling it, but what to do here?  Help?

You've messed up your system somehow, as normally you would be helped
by setroubleshootd. And yes, there's at least one SELinux boolean
related to this: setsebool -P sshd_forward_ports 1
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