Re: ssh gives "Permission denied, please try again"
- From: Tony Houghton <h@xxxxxxxxxxx>
- Date: Sat, 19 Jul 2008 18:25:15 +0100
On Sat, 19 Jul 2008 00:36:10 +0100
Jonathan Buzzard <joe@xxxxxxxxxxxxx> wrote:
On Thu, 17 Jul 2008 19:38:59 +0100, Tony Houghton wrote:
I configure the router to forward a different external port to 22
on my own PCs. This makes it a little harder for hackers, and also
means I can have different PCs on different external ports. As long
as I remember the right port when using remote clients... Rather
than allow password authentication it's better to carry a USB
memory stick with your key (and a copy of putty can be handy too).
Waste of time.
Keep your machine patched and up to date. Pick a *random* password and
remember it. Configure ssh to only allow those users that actually
need to be able to log in to log in.
For good measure pick usernames that are none obvious, i.e. jonathan
would be a really poor username.
I think using a different port does help, because I reckon these scripts
would just go straight for port 22 rather than waste time scanning tens
of thousands of ports. Even if I'm confident they couldn't get the right
username and password I'd rather not have my bandwidth and logs taken up
by their attempts.
--
TH * http://www.realh.co.uk
.
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