Date: 06 Dec 2000 10:09:12 -0500 From: Lowell Gilbert <lowell@world.std.com> To: freebsd-questions@freebsd.org Subject: Re: Writing a kernel module Message-ID: <44itox37tz.fsf@lowellg.ne.mediaone.net> In-Reply-To: cgage@us.ibm.com's message of "5 Dec 2000 21:25:47 %2B0100" References: <OF3896758C.070B46CA-ON852569AC.006FC320@raleigh.ibm.com>
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cgage@us.ibm.com (Chris Gage) writes: > I've been looking, so far in vain, for some kind of guidelines about how I > would go about writing a kernel module for FreeBSD. What I need to do is > more or less what a firewall or a router does, ie intercept packets at the > lowest level inside IP and either return them to the stack if I don't want > them, or forward them to some other IP address if I do want them. If > anyone could point me to a place where this jewel of rather fundamental > information resides, I'd be very grateful. The recommended way of doing what you're suggesting isn't a kernel module at all; it's a divert(4) socket in userland. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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