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Re: a dh keys question?

From john doe <johndoe65534@mail.com>
Newsgroups linux.debian.user
Subject Re: a dh keys question?
Date 2018-08-01 22:00 +0200
Message-ID <wi5rP-5OG-1@gated-at.bofh.it> (permalink)
References (1 earlier) <whFe2-6vV-15@gated-at.bofh.it> <whOAF-3SP-1@gated-at.bofh.it> <whWye-qE-5@gated-at.bofh.it> <wi4vL-5ex-1@gated-at.bofh.it> <wi4YO-5DU-11@gated-at.bofh.it>
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On 8/1/2018 9:16 PM, Dan Purgert wrote:
> On August 1, 2018 2:50:39 PM EDT, Karen Lewellen <klewellen@shellworld.net> wrote:
>> Hi,
>> just a slight update..and correction of an idea below.
>>
>>
>>
>> On Wed, 1 Aug 2018, Dan Purgert wrote:
>>
>>> Precisely.  DH failures are typically because one end or the other is
>>> trying to use an "out of bounds" keysize.  E.g. you have a SSH 7.x
>>> client, and the server is 6.0 or lower.
>> Not the case here,
>> as stated the problem exists, on every server I have tried,  that uses
>> port 22.
>>
> 
> That doesn't prove or disprove anything about a mismatch between client and server versions.
> 
>>>
>>> The error message is _probably_ something like this, right (note -
>> may
>>> require "ssh -vv" in order to see):
>> not at all.
>> As stated I was able to do this until about 5:00 p. m. on the last
>> Friday
>> of   June.
>> Additionally, one test done this morning, of a server using a port
>> other
>> than   22 proves my concern.  I could reach it perfectly.
>> Granted I intend doing yet another test  on a different server  with
>> only
>> the port number changed. However regardless of where I visit, even
>> when
>> I should have no issues  like the chat.shazow  idea,
>> The error is the same.
> 
> As someone else said, it might be your ISP, though if it was them, you'd be getting a different error than the Diffie-Hellman key exchange.
> 
> But without seeing logs, it's kind of impossible to see what's going on.
> 
>>> A simple check to make things work is running the ssh command as
>>
>> My client already allows an option for  some slight dh key
>> manipulation,
>> no difference.
> 
> What client are you using that you can change them?  I mean, the DH Key Exchange parameters are hard-coded in the openssh source (and cannot be changed without recompiling the client).
> 
>> I cannot type the command you put here, but  it does not seem to be the fastest solution.
> 
> I don't follow what you mean here.
> 
> (Apologies to all in case of weird formatting, responding from my mobile)
> 
> 

TL;DR

You seem to use your own domain name, it might be some policy changes 
that restrict the use of ssh and not your ISP.

-- 
John Doe

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Thread

a dh keys question? Karen Lewellen <klewellen@shellworld.net> - 2018-07-31 17:40 +0200
  Re: a dh keys question? Dan Ritter <dsr@randomstring.org> - 2018-07-31 18:00 +0200
    Re: a dh keys question? Karen Lewellen <klewellen@shellworld.net> - 2018-07-31 18:10 +0200
      Re: a dh keys question? Dan Ritter <dsr@randomstring.org> - 2018-07-31 18:40 +0200
        Re: a dh keys question? Karen Lewellen <klewellen@shellworld.net> - 2018-07-31 19:10 +0200
          Re: a dh keys question? Dan Ritter <dsr@randomstring.org> - 2018-07-31 21:40 +0200
            Re: a dh keys question? Karen Lewellen <klewellen@shellworld.net> - 2018-08-01 00:00 +0200
              Re: a dh keys question? Joe <joe@jretrading.com> - 2018-08-01 09:30 +0200
    Re: a dh keys question? Richard Hector <richard@walnut.gen.nz> - 2018-08-01 04:00 +0200
      Re: a dh keys question? Dan Purgert <dan@djph.net> - 2018-08-01 12:30 +0200
        Re: a dh keys question? Karen Lewellen <klewellen@shellworld.net> - 2018-08-01 21:00 +0200
          Re: a dh keys question? Dan Purgert <dan@djph.net> - 2018-08-01 21:30 +0200
            Re: a dh keys question? john doe <johndoe65534@mail.com> - 2018-08-01 22:00 +0200
            Re: a dh keys question? Dan Ritter <dsr@randomstring.org> - 2018-08-01 22:40 +0200
              Re: a dh keys question? Dan Purgert <dan@djph.net> - 2018-08-01 23:30 +0200
              Re: a dh keys question? Karen Lewellen <klewellen@shellworld.net> - 2018-08-02 00:00 +0200
                Re: a dh keys question? Dan Purgert <dan@djph.net> - 2018-08-02 02:40 +0200
                Re: a dh keys question? Karen Lewellen <klewellen@shellworld.net> - 2018-08-02 02:50 +0200
                Re: a dh keys question? Dan Purgert <dan@djph.net> - 2018-08-02 03:20 +0200
                Re: a dh keys question? Karen Lewellen <klewellen@shellworld.net> - 2018-08-02 03:30 +0200
                Re: a dh keys question? Dan Purgert <dan@djph.net> - 2018-08-02 12:30 +0200
                Re: a dh keys question? Peter Wiersig <peter@friesenpeter.de> - 2018-08-04 06:50 +0200

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