*BSD News Article 64074


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Newsgroups: comp.os.linux.networking,comp.protocols.tcp-ip,comp.unix.internals,comp.unix.programmer,comp.unix.bsd.freebsd.misc
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From: orville@weyrich.com (Orville R. Weyrich)
Subject: Low-level TCP/IP Programming and Sniffer Help Wanted
Message-ID: <DopMEt.B7v@weyrich.com>
Reply-To: orville@weyrich.com
Organization: Weyrich Computer Consulting
Date: Sat, 23 Mar 1996 07:35:15 GMT
Lines: 26
Xref: euryale.cc.adfa.oz.au comp.os.linux.networking:32675 comp.protocols.tcp-ip:43228 comp.unix.internals:9961 comp.unix.programmer:35513 comp.unix.bsd.freebsd.misc:15856

Hi ---

I want to get first-hand experience with low-level UNIX Internet by hacking 
from the ethernet driver up to the socket level.  The only good book I have 
found is Comer and Stevens "Internetworking with TCP/IP Volume II".  I am 
looking for additional references, especially those which relate directly to
LINUX and FreeBSD.  Yes -- I know they come with source code -- I was 
hoping for a "program logic" manual for the network subsystem of either of 
these OS/s, as well as other good "nuts and bolts" implementation type books
(I'm reasonably comfortable with the theory -- I want implementation details).

I also want to find code (or a book) that implements a network sniffer for
ethernet, ARP, ICMP, UDP, and TCP packets.  LINUX, FreeBSD, DOS, OS/2,
or Windows code is fine.  Or recommendations on cheap commercial stuff welcome.
	
Any pointers would be appreciated.  I will post a summary.

To make sure I don't miss the reply, an e-mail copy would be appreciated,
but isn't mandatory.

------------------------------------------------------------
Orville R. Weyrich, Jr.                         Weyrich Computer Consulting
orville@weyrich.com                               http://www.weyrich.com
           The Constitution: The REAL 'Contract With America'
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