Remote SSH

[IKT]

It would also be in your best interest to (at least) change the default port
to something else besides port 22,

http://www.securityfocus.com/infocus/1876

"Malicious SSH login attempts have been appearing in some administrators'
logs for several years."

"Then we examined who attacked the honeypot and what strategy these
attackers used. There were 23 unique IP addresses involved in the login
attempts. The attackers were more or less persistent in their attempts to
gain access to the system, as shown in Table 3. Ten of the sources tried
less than 50 combinations and then gave up. Five tried harder with
approximately 170 login attempts, and eight tried even harder with up to
1450 login attempts."

Changing the default SSH port from 22 to something else has seen the number
of bots attempting to get in from several per day, to die down to zero.

- IKT



On Sat, Jul 5, 2008 at 4:16 PM, Simon Ives <simon at simonives.info> wrote:

> Can someone please help with the syntax to remotely SSH to my Ubuntu
> file server.  I've opened the server's I.P address and port 22 in the
> router and verified that this has occurred with Shields Up (it reported
> the server's host-name and that port 22 is open).  I'm just unsure of
> how to SSH from a remote location.
>
> The syntax I've attempted is:
>
> ssh 124.171.***.*** (which is my public I.P address provided by my ISP)
>
> and
>
> ssh username at 124.171.***.***
>
> Both return the following error: "ssh_exchange_identification:
> Connection closed by remote host"
>
> I can SSH over the local network with no problems.
>
> Thanks.
>
> --
> Simon Ives
>
> E - simon at simonives.info
> M - simon.ives at live.com.au
> W - www.simonives.info
>
> Please consider the environment before printing this email or any
> attachments.
>
>
> --
> ubuntu-au mailing list
> ubuntu-au at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/ubuntu-au
>
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