ISC's buggy TCP/IP (Was Re: Sorry, but sendmail again)

[Jean Marie Diaz]

   The sendmail bugs on ISC derived SysVr3 are due to a buggy TCP/IP
   implementation.

And how.  Here's this week's way to crash the ISC 2.0.2 machine on your
ethernet:

1) Install NNTP 1.5.7 and B News 2.11 on it.
2) Fire up a GNU Emacs with the GNUS news reader on a neighboring Sun
(running 4.0.1).  Read some news.
3) Quit out of GNUS (but not Emacs).  Now restart GNUS.
4) Your ISC machine will be in the kernel debugger inside the TCP
code, looking most unhappy.

I have to be very careful to start up a new Emacs every time I want to
use GNUS....

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