On 3/12/2015 5:24 PM, Tom Paseka wrote:
Be conservative in what you send, be liberal in what you accept
^http://en.wikipedia.org/wiki/Robustness_principle
As with all terse summaries, the meaning of this is easy to distort.
In the unfortunately not-so-uncommon extreme, it is used to argue for
On 3/13/2015 08:47, Karl Auer wrote:
On Fri, 2015-03-13 at 06:14 -0700, Stephen Satchell wrote:
what I was taught is that one has to be
able to handle *correctly* malformed input, and not yield astonishing
results.
No program should leave its sanity at the mercy of its input. PJ
Plauger, I
On 03/12/2015 11:52 PM, Eygene Ryabinkin wrote:
Thu, Mar 12, 2015 at 05:31:54PM -0700, Michael Thomas wrote:
Jon Postel. I'm told that it is out of favor these days in protocol-land,
from a security standpoint if nothing else.
The principle has nothing to do with security: it doesn't mean
On 03/12/2015 10:25 PM, Keith Medcalf wrote:
Robustness is desirable from a security perspective. Failure to be
liberal in what you accept and not being prepared to deal with
malformed input leads to such wonders as the Microsoft bug that led
to unexpected/malformed IP datagrams mishandled as
works but no one knows why. Sometimes theory and practice are
combined: nothing works and no one knows why.
-Original Message-
From: NANOG [mailto:nanog-boun...@nanog.org] On Behalf Of Michael Thomas
Sent: Thursday, 12 March, 2015 18:32
To: nanog@nanog.org
Subject: Re: Searching
On Thu, Mar 12, 2015 at 05:33:19PM -0700, Dave Taht wrote:
Had he lived, email and netnews would have remained usable by mere
mortals and met the challenge of extreme growth and abuse. And ICANN,
and for that netsol, wouldn't have become the ugly morass they became.
Hell, even the IETF might
There was once a fairly common saying attributed to an early
networking pioneer that went something like, be generous in what you
accept, and send only the stuff that should be sent. Does anyone
know what I'm talking about or who said it?
Be conservative in what you send, be liberal in what you accept
^http://en.wikipedia.org/wiki/Robustness_principle
On Thu, Mar 12, 2015 at 5:20 PM, Jason Iannone jason.iann...@gmail.com
wrote:
There was once a fairly common saying attributed to an early
networking pioneer that went something
jon postel. http://en.wikipedia.org/wiki/Jon_Postel
On Thu, Mar 12, 2015 at 5:20 PM, Jason Iannone jason.iann...@gmail.com wrote:
There was once a fairly common saying attributed to an early
networking pioneer that went something like, be generous in what you
accept, and send only the stuff
http://en.wikipedia.org/wiki/Jon_Postel
Postel's Law
Perhaps his most famous legacy is from RFC 760, which includes a Robustness
Principle which is often labeled Postel's Law: an implementation should be
conservative in its sending behavior, and liberal in its receiving
behavior (reworded in RFC
That was quick. :-)
Tom Paseka wrote:
Be conservative in what you send, be liberal in what you accept
^http://en.wikipedia.org/wiki/Robustness_principle
On Thu, Mar 12, 2015 at 5:20 PM, Jason Iannone jason.iann...@gmail.com
wrote:
There was once a fairly common saying attributed to an early
Jon Postel. I'm told that it is out of favor these days in protocol-land,
from a security standpoint if nothing else.
Mike
On 3/12/15 5:24 PM, Tom Paseka wrote:
Be conservative in what you send, be liberal in what you accept
^http://en.wikipedia.org/wiki/Robustness_principle
On Thu, Mar 12,
Thanks all.
On Thu, Mar 12, 2015 at 6:28 PM, Tim Durack tdur...@gmail.com wrote:
http://en.wikipedia.org/wiki/Jon_Postel
Postel's Law
Perhaps his most famous legacy is from RFC 760, which includes a Robustness
Principle which is often labeled Postel's Law: an implementation should be
On 13/03/15 10:20, Jason Iannone wrote:
There was once a fairly common saying attributed to an early
networking pioneer that went something like, be generous in what you
accept, and send only the stuff that should be sent. Does anyone
know what I'm talking about or who said it?
Jon
On Thu, Mar 12, 2015 at 5:27 PM, Dave Taht dave.t...@gmail.com wrote:
jon postel. http://en.wikipedia.org/wiki/Jon_Postel
Had he lived, email and netnews would have remained usable by mere
mortals and met the challenge of extreme growth and abuse. And ICANN,
and for that netsol, wouldn't have
I feel required to point out that Postel's Law was sage advice for its time,
but should now be amended with but assume that all input is hostile.
On Thu, Mar 12, 2015 at 08:28:22PM -0400, Tim Durack wrote:
http://en.wikipedia.org/wiki/Jon_Postel
Postel's Law
Perhaps his most famous legacy is
Low hanging fruit.
On Thu, Mar 12, 2015 at 6:29 PM, Miles Fidelman
mfidel...@meetinghouse.net wrote:
That was quick. :-)
Tom Paseka wrote:
Be conservative in what you send, be liberal in what you accept
^http://en.wikipedia.org/wiki/Robustness_principle
On Thu, Mar 12, 2015 at 5:20 PM,
On 3/12/2015 19:20, Jason Iannone wrote:
There was once a fairly common saying attributed to an early
networking pioneer that went something like, be generous in what you
accept, and send only the stuff that should be sent. Does anyone
know what I'm talking about or who said it?
Postel's
On Mar 12, 2015, at 20:44 , Larry Sheldon larryshel...@cox.net wrote:
On 3/12/2015 19:20, Jason Iannone wrote:
There was once a fairly common saying attributed to an early
networking pioneer that went something like, be generous in what you
accept, and send only the stuff that should be sent.
it is true that the risk profile has changed in the last 30 years.
his core belief in interconnecting things in an open way, enabling _anyone_ to
create,build, and deploy
is the core of ISOCs “permission less innovation” thrust.
crypto/security folks are green with envy … it is somewhat “sour
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