Date: Tue, 01 May 2001 19:12:13 +0000 From: Gunther Schadow <gunther@aurora.regenstrief.org> To: snap-users@kame.net Cc: freebsd-net@freebsd.org, ipfilter@coombs.anu.edu.au, altq@csl.sony.co.jp Subject: Re: (KAME-snap 4587) The future of ALTQ, IPsec & IPFILTER playing together ... Message-ID: <3AEF0A8D.83847A19@aurora.regenstrief.org> References: <3AEEEE79.8F7CC7B0@aurora.regenstrief.org>
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Gunther Schadow wrote: [snip] ... to make things even more complicated, we also have the berkeley packet filter (BPF) mechanism. Heck! How could so many things evolve that all do essentially the same thing? The interesting thing about the BPF mechanism is that it is very generic. Filter rules are instructions of a virtual von-Neumann-machine (reminds me of 6502 assembler :-). Tcpdump uses BPF, at least on FreeBSD. But I think BPF is available on all 4.4 BSD derivatives. where does this fit in the crowd? -Gunther -- Gunther Schadow, M.D., Ph.D. gschadow@regenstrief.org Medical Information Scientist Regenstrief Institute for Health Care Adjunct Assistent Professor Indiana University School of Medicine tel:1(317)630-7960 http://aurora.regenstrief.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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