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Date:      Tue, 2 Jan 2007 06:29:34 +0300
From:      "Andrew Pantyukhin" <infofarmer@FreeBSD.org>
To:        "Ensel Sharon" <user@dhp.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: is it possible to log in over ssh on a VERY SLOW link ?
Message-ID:  <cb5206420701011929r5b9afb21t3298f865f2578b6e@mail.gmail.com>
In-Reply-To: <Pine.LNX.4.21.0701012138290.21120-100000@shell.dhp.com>
References:  <Pine.LNX.4.21.0701012138290.21120-100000@shell.dhp.com>

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On 1/2/07, Ensel Sharon <user@dhp.com> wrote:
>
> Long story short:
>
> I have set a dummynet rate limit on a remote system to be 10 bits/s.
>
> This is, of course, ridiculously slow, and when I ssh to the system ssh
> times out before it can negotiate a connection.
>
> The question I have is, is there any way I can set the ssh and/or tcp
> connection settings on my local FreeBSD system so that I _could_
> successfully log in over ssh and run the 'ipfw del' command ?
>
> In pseudocode:  "I don't care how slow it is, log in over ssh"
>
> Any ideas ?

I'm afraid you'll have to consider that dummynet limit
as just a deny rule. BTW, the pipe is already full,
which is 50 packets by default, which probably is over
20Kb, which will take over 4 hours to get through. Can
you even guarantee complete silence on the interface
for 4 hours?

Sorry.



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