TCP/IP on Xenix - summary

[Steve Dyer]

The article quotes someone (Rosenthal?) who is misinformed about SCO's
TCP/IP for XENIX and UNIX.  It certainly DOES run under XENIX 386 as
well as UNIX V/386.  XENIX 386 can optionally run STREAMS, and the
TCP/IP runs as a set of STREAMS modules above this.  Most of the
typical Berkeley applications run on top of a socket emulation
library.

I can say that it appeared to work OK, although I never bothered
wrestling with their sendmail; I was sending and receiving mail on
another of my systems.

Apparently, however, the Lachman TCP/IP which SCO sells contains
a "copy-protection" feature which broadcasts the product's serial
number to a particular UDP port on some regular basis.  If two
different systems have the same serial no., something bad happens.
(Presumably one or both go off-line; I've never tested.)

Needless to say, this is unacceptable in any system which pretends to
be a production system.  The marketeers were unrepentant as of last
August at the SCO Forum.  I don't know whether things have changed
since then.


-- 
Steve Dyer
dyer at ursa-major.spdcc.com aka {ima,harvard,rayssd,linus,m2c}!spdcc!dyer
dyer at arktouros.mit.edu, dyer at hstbme.mit.edu