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Date:      Wed, 29 Jan 1997 09:29:16 -0800
From:      John Polstra <jdp@polstra.com>
To:        dg@root.com
Cc:        hackers@freebsd.org
Subject:   Re: RFC 1323 default settings (was Re: progress report on connection problems) 
Message-ID:  <199701291729.JAA26014@austin.polstra.com>
In-Reply-To: <199701290000.QAA17825@root.com>
References:  <199701290000.QAA17825@root.com>

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>    Actually, the main reason it is on is for the other half of RFC 1323 which
> specifies the "time stamp" extensions for better round-trip time estimates.
> Unfortunately, I agree with you, however, that RFC 1323 extensions should be
> disabled by default. The RFC 1644 extensions (T/TCP), however, should remain
> enabled by default. This will only break "finger", and is useful for keeping
> vendors TCP stacks compliant.

Are you saying that the RFC 1644 extensions have no effect unless
the application explicitly elects to use them?  I was hoping that
would be the case, but it doesn't seem to be.  I have an old Lexmark
printer hanging off my ethernet.  If I turn on RFC 1644 (leaving
RFC 1323 turned off), the first communication to the printer kills
it so dead that I have to power cycle it to bring it back to life.
--
   John Polstra                                       jdp@polstra.com
   John D. Polstra & Co., Inc.                Seattle, Washington USA
   "Self-knowledge is always bad news."                 -- John Barth



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