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Date:      Thu, 26 Apr 2007 11:22:21 +0000 (UTC)
From:      Duane Hill <d.hill@yournetplus.com>
To:        Pietro Cerutti <pietro.cerutti@gmail.com>
Cc:        freebsd-questions <freebsd-questions@freebsd.org>, =?UTF-8?Q?Andreas_Wider=C3=B8e_Andersen?= <wodfer@gmail.com>
Subject:   Re: How do I prevent unauthorized ssh login attempts?
Message-ID:  <20070426112111.G4140@duane.dbq.yournetplus.com>
In-Reply-To: <e572718c0704260412y406a5fb5mdab5f4f0ae50780b@mail.gmail.com>
References:  <78814ac0704260357g2bedb91s48c9f8aa7cd4f27f@mail.gmail.com> <23ed14b80704260407v39dd1d3al109148fef1d8a0f6@mail.gmail.com> <e572718c0704260412y406a5fb5mdab5f4f0ae50780b@mail.gmail.com>

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On Thu, 26 Apr 2007, Pietro Cerutti wrote:

> On 4/26/07, Andreas Wider=C3=B8e Andersen <wodfer@gmail.com> wrote:
>> On 4/26/07, Arek Czereszewski <arekczer@gmail.com> wrote:
>> >
>> > Andreas Wider=C3=B8e Andersen wrote:
>> > > I'm getting a lot of unauthorized ssh login attempts. I have a prett=
y
>> > basic
>> > > FreeBSD 6.2 setup. I have compiled my own kernel. Here's what I get=
=20
> from
>> > my
>> > > daily security run output:
>> > [...]
>> >
>> > Run sshd on other port.
>> > And say about this your ssh users.
>>
>>
>> Can I change the ssh port on a live server somehow without getting locke=
d
>> out? The server is on a remote co-location a flight away from me.
>
> Yes you can. SSH will keep your connection active until you log out,
> then you can log in using the new port

I will add the fact you will want to keep the current connection live and=
=20
test after you make the change with a new connection. That way if the new=
=20
connection fails, you still have a "foot in the door".
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