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Re: Remote Debugging

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From Grant Edwards <invalid@invalid.invalid>
Newsgroups comp.arch.embedded
Subject Re: Remote Debugging
Date Wed, 27 Feb 2019 14:49:15 +0000 (UTC)
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On 2019-02-27, David Brown <david.brown@hesbynett.no> wrote:

>> 3. Set up your router to port-forward port 22 to the Pi port 22
>
> No.  Set it up from a wildly different port.  An open port 22 is an
> invite to drive-by script kiddies, and you will get regular probes.
> They won't break in (since they don't have your keys and can't guess
> your passwords), but they are a nuisance and a waste of bandwidth, and
> /if/ there are bugs in sshd or the kernel, this hugely increases the
> risk.  Use a high, unrelated port number on the outside connection -
> forward port 54321 to port 22 on the Pi.  Then the will be no script
> attacks.

Maybe not none, but there will be far fewer attacks.  My ssh servers
running on non-standard ports still see SSH login attempts from
attackers.

-- 
Grant Edwards               grant.b.edwards        Yow! FUN is never having to
                                  at               say you're SUSHI!!
                              gmail.com            

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Thread

Remote Debugging gnuarm.deletethisbit@gmail.com - 2019-02-26 13:42 -0800
  Re: Remote Debugging Theo <theom+news@chiark.greenend.org.uk> - 2019-02-26 22:37 +0000
    Re: Remote Debugging gnuarm.deletethisbit@gmail.com - 2019-02-26 15:39 -0800
      Re: Remote Debugging Theo <theom+news@chiark.greenend.org.uk> - 2019-02-27 01:32 +0000
    Re: Remote Debugging Jack <jack4747@gmail.com> - 2019-02-26 22:49 -0800
    Re: Remote Debugging David Brown <david.brown@hesbynett.no> - 2019-02-27 09:08 +0100
      Re: Remote Debugging Grant Edwards <invalid@invalid.invalid> - 2019-02-27 14:49 +0000
      Re: Remote Debugging "A.P.Richelieu" <aprichelieu@gmail.com> - 2019-02-27 18:45 +0100
        Re: Remote Debugging David Brown <david.brown@hesbynett.no> - 2019-02-27 21:25 +0100
          Re: Remote Debugging "A.P.Richelieu" <aprichelieu@gmail.com> - 2019-02-27 22:12 +0100
            Re: Remote Debugging David Brown <david.brown@hesbynett.no> - 2019-02-27 23:00 +0100
              Re: Remote Debugging "A.P.Richelieu" <aprichelieu@gmail.com> - 2019-02-27 23:28 +0100
                Re: Remote Debugging David Brown <david.brown@hesbynett.no> - 2019-02-27 23:50 +0100
  Re: Remote Debugging gnuarm.deletethisbit@gmail.com - 2019-02-27 15:41 -0800
    Re: Remote Debugging David Brown <david.brown@hesbynett.no> - 2019-02-28 01:23 +0100
      Re: Remote Debugging gnuarm.deletethisbit@gmail.com - 2019-02-27 17:41 -0800
      Re: Remote Debugging gnuarm.deletethisbit@gmail.com - 2019-02-27 17:49 -0800
        Re: Remote Debugging edward.ming.lee@gmail.com - 2019-02-27 18:00 -0800
          Re: Remote Debugging gnuarm.deletethisbit@gmail.com - 2019-02-27 18:08 -0800
            Re: Remote Debugging Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2019-02-28 11:21 +0200
        Re: Remote Debugging David Brown <david.brown@hesbynett.no> - 2019-02-28 09:09 +0100
          Re: Remote Debugging gnuarm.deletethisbit@gmail.com - 2019-02-28 15:27 -0800
            Re: Remote Debugging David Brown <david.brown@hesbynett.no> - 2019-03-01 10:11 +0100
  Re: Remote Debugging Les Cargill <lcargill99@comcast.com> - 2019-02-27 22:07 -0600
  Re: Remote Debugging Paul Rubin <no.email@nospam.invalid> - 2019-02-27 21:35 -0800

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