Re: Need urgent help regarding security
From: Marian Hettwer (MH_at_kernel32.de)
Date: Mon, 21 Nov 2005 09:33:07 +0100 To: email@example.com
> Also, if you have access to the router, it's handy to re-write traffic from a
> higher public port down to port 22 on the server, since that will trip up anyone
> doing scans looking for a connect on port 22 across a large number of IP's.
No. That's security by obscurity and doesn't make your system even a wee
bit more secure.
Disable root login via ssh (like already mentioned), enforce public-key
authentication and maybe even go with OPIE.
> Anyway, just a couple of ideas I thought might be helpful while on the subject
> of SSH hardening :-)
all of them were about hardening, except the security by obscurity
"put-the-sshd-on-another-port" advice ;)
don't do that.
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