PS> Hi Bo! :-)

 BS> All the system tools like ipfw is there like it's under Freebsd.

 PS> Oh, ipfw is also there on OpenBSD and NetBSD, I think. 
 PS> No, wait, my NetBSD install uses a tool called "ipf" to 
 PS> manage packet filtering rules.

Hmm.. ipfw might be OpenBSD but is ipf FreeBSD and NetBSD? I can't
remember, but the point is that MacOS X is using FreeBSD's packet filtering
tool.

 PS>> They're not the same thing. Darwin (the lowlevel side 
 PS>> of MacOS X) is a BSD-like Unix, yes.

 BS> Yes, but I bet Darwin has it's origin in FreeBSD.

 PS> I wasn't doubting that it is based on the BSD codebase. ;)

Hihi. :) But we don't know specifically which BSD it originates from?

Bo

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