Re: Guaranteeing SSH access to specific clients

From	The Natural Philosopher <tnp@invalid.invalid>
Newsgroups	comp.os.linux.misc
Subject	Re: Guaranteeing SSH access to specific clients
Date	2022-12-10 09:56 +0000
Organization	A little, after lunch
Message-ID	<tn1l40$1kimo$2@dont-email.me> (permalink)
References	<tmtf02$1ufi$1@gioia.aioe.org> <tmvhru$ccf$1@gioia.aioe.org> <tmvl0f$16evk$1@dont-email.me> <tn0bbn$btf$1@gioia.aioe.org>

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On 09/12/2022 22:03, Harold Johanssen wrote:
> Notice what I want to do does not replace the authentication
> mechanisms already in place in the ssh protocol - I am just aiming to
> slam the door on intruders as early in the connection as possible. Once a
> connection is accepted by virtue of the mechanism described above, the
> rest is pure ssh.

Then the only criteria available are the source port and IP address.
So its either port knocking to open a hole, or its using a guaranteed 
source port, since the source IP address cannot be guaranteed.

There are no other options


-- 
In a Time of Universal Deceit, Telling the Truth Is a Revolutionary Act.

- George Orwell

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Guaranteeing SSH access to specific clients Harold Johanssen <noemail@please.net> - 2022-12-08 19:47 +0000
  Re: Guaranteeing SSH access to specific clients "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2022-12-08 16:31 -0500
    Re: Guaranteeing SSH access to specific clients Harold Johanssen <noemail@please.net> - 2022-12-09 01:20 +0000
      Re: Guaranteeing SSH access to specific clients "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2022-12-08 21:43 -0500
      Re: Guaranteeing SSH access to specific clients Robert Heller <heller@deepsoft.com> - 2022-12-09 03:34 +0000
      Re: Guaranteeing SSH access to specific clients stepore <stepore@be.here.now> - 2022-12-08 19:34 -0800
      Re: Guaranteeing SSH access to specific clients "Carlos E.R." <robin_listas@es.invalid> - 2022-12-09 04:42 +0100
        Re: Guaranteeing SSH access to specific clients "26C.Z969" <26C.Z969@noaada.net> - 2022-12-09 01:53 -0500
      Re: Guaranteeing SSH access to specific clients Henning Hucke <h_hucke+spam.news@newsmail.aeon.icebear.org> - 2022-12-09 06:43 +0000
      Re: Guaranteeing SSH access to specific clients The Natural Philosopher <tnp@invalid.invalid> - 2022-12-09 13:29 +0000
      Re: Guaranteeing SSH access to specific clients Allodoxaphobia <trepidation@example.net> - 2022-12-09 13:55 +0000
        Re: Guaranteeing SSH access to specific clients Pancho <Pancho.Jones@proton.me> - 2022-12-09 14:08 +0000
    Re: Guaranteeing SSH access to specific clients Robert Heller <heller@deepsoft.com> - 2022-12-09 03:34 +0000
      Re: Guaranteeing SSH access to specific clients Andreas Kohlbach <ank@spamfence.net> - 2022-12-09 12:44 -0500
        Re: Guaranteeing SSH access to specific clients The Natural Philosopher <tnp@invalid.invalid> - 2022-12-09 17:52 +0000
  Re: Guaranteeing SSH access to specific clients Andreas Kohlbach <ank@spamfence.net> - 2022-12-08 22:31 -0500
  Re: Guaranteeing SSH access to specific clients Richard Kettlewell <invalid@invalid.invalid> - 2022-12-09 12:36 +0000
  Re: Guaranteeing SSH access to specific clients The Natural Philosopher <tnp@invalid.invalid> - 2022-12-09 13:27 +0000
  Re: Guaranteeing SSH access to specific clients Harold Johanssen <noemail@please.net> - 2022-12-09 14:48 +0000
    Re: Guaranteeing SSH access to specific clients Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2022-12-09 17:42 +0200
      Re: Guaranteeing SSH access to specific clients The Natural Philosopher <tnp@invalid.invalid> - 2022-12-09 17:36 +0000
        Re: Guaranteeing SSH access to specific clients Robert Heller <heller@deepsoft.com> - 2022-12-09 19:35 +0000
          Re: Guaranteeing SSH access to specific clients The Natural Philosopher <tnp@invalid.invalid> - 2022-12-10 09:53 +0000
            Re: Guaranteeing SSH access to specific clients Robert Heller <heller@deepsoft.com> - 2022-12-10 13:58 +0000
            Re: Guaranteeing SSH access to specific clients Pancho <Pancho.Jones@proton.me> - 2022-12-10 14:08 +0000
              Re: Guaranteeing SSH access to specific clients Pancho <Pancho.Jones@proton.me> - 2022-12-10 14:15 +0000
            Re: Guaranteeing SSH access to specific clients Andreas Kohlbach <ank@spamfence.net> - 2022-12-10 19:25 -0500
              Re: Guaranteeing SSH access to specific clients Robert Heller <heller@deepsoft.com> - 2022-12-11 00:53 +0000
                Re: Guaranteeing SSH access to specific clients "Carlos E.R." <robin_listas@es.invalid> - 2022-12-11 10:37 +0100
                Re: Guaranteeing SSH access to specific clients Robert Heller <heller@deepsoft.com> - 2022-12-11 12:50 +0000
                Re: Guaranteeing SSH access to specific clients "Carlos E.R." <robin_listas@es.invalid> - 2022-12-11 20:55 +0100
                Re: Guaranteeing SSH access to specific clients Pancho <Pancho.Jones@proton.me> - 2022-12-12 09:35 +0000
                Re: Guaranteeing SSH access to specific clients Richard Kettlewell <invalid@invalid.invalid> - 2022-12-13 08:36 +0000
                Re: Guaranteeing SSH access to specific clients "Carlos E. R." <robin_listas@es.invalid> - 2022-12-15 18:09 +0100
      Re: Guaranteeing SSH access to specific clients Harold Johanssen <noemail@please.net> - 2022-12-09 22:03 +0000
        Re: Guaranteeing SSH access to specific clients The Natural Philosopher <tnp@invalid.invalid> - 2022-12-10 09:56 +0000
          Re: Guaranteeing SSH access to specific clients Ted Heise <theise@panix.com> - 2022-12-16 18:40 +0000

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