London incidents

Steven M. Bellovin smb at cs.columbia.edu
Mon Jul 11 13:12:30 UTC 2005


In message <87mzotpkm7.fsf at valhalla.seastrom.com>, "Robert E.Seastrom" writes:
>
>
>Brad Knowles <brad at stop.mail-abuse.org> writes:
>
>> 	There were lower levels of priority that you could also use,
>> but "flash" was the top one that I heard about.
>
>The four buttons on the "1633" row of an AUTOVON telephone are labeled
>P, I, F, and FO for Priority, Immediate, Flash, and Flash-Override.
>The fifth (normal) level is of course routine, with no priority code
>attached.

And those levels appear as the TOS bits in RFC 791....

		--Steven M. Bellovin, http://www.cs.columbia.edu/~smb





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