look for firewall documentation on the free BSD UNIX flavors, since OS X is based on one of them, I dont knw which. I helped a friend one with this, so after a while I end up making a few changes on the GUI firewall configuring thinguie, looking at the results and changing it by hand to what I wanted, it was a while ago so I dont recall exactly here is one possible match http://www.freebsd.org/doc/en/books/handbook/firewalls.html --- On Wed, 9/10/08, Dirk H. Schulz <dirk.schulz@xxxxxxxxxxxxx> wrote: > From: Dirk H. Schulz <dirk.schulz@xxxxxxxxxxxxx> > Subject: Re: Development equivalent on Mac OS X > To: "Vimal" <j.vimal@xxxxxxxxx>, netfilter@xxxxxxxxxxxxxxx > Date: Wednesday, September 10, 2008, 9:54 AM > Vimal, > > maybe you want to ask on one of the darwin mailing lists - > there must be > more people with the knowledge you need. > > Dirk > > --On 6. September 2008 23:45:12 +0530 Vimal > <j.vimal@xxxxxxxxx> wrote: > > > Hello, > > > > Are there libraries for Mac OS X (10.5) that allow > packet > > manipulation, just like Linux's netfilter library > does? > > > > Specifically, I would like to write a program that > should be able to > > process every packet in the system before it gets > `written' on the > > wire. According to this page: > > > http://www.netfilter.org/documentation/HOWTO/netfilter-hacking-HOWTO-3.ht > > ml, my program should be able to be hooked at stage > [4]. > > > > I searched a lot, but in vain. > > > > Thanks, > > -- > > Vimal > > -- > > To unsubscribe from this list: send the line > "unsubscribe netfilter" in > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > More majordomo info at > http://vger.kernel.org/majordomo-info.html > > > > -------------------------------------------------------------- > Dirk H. Schulz > IT Systems Service > Wiesenweg 12, 85567 Grafing > Tel. 0 80 92/86 25 68 > Fax. 0 80 92/86 25 72 > -------------------------------------------------------------- > Technik vom Feinsten - und das nötige Tuning > -- > To unsubscribe from this list: send the line > "unsubscribe netfilter" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at > http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html