Date: Tue, 17 Jul 2001 21:25:37 +0400 From: "Nick Maschenko" <mnvhome@mail.ru> To: security@freebsd.org Subject: Fw: Re: A question about FreeBSD security Message-ID: <E15MYbJ-000P1q-00@f4.mail.ru>
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-----Original Message----- From: Kris Kennaway <kris@obsecurity.org> To: Nick Maschenko <mnvhome@mail.ru> Date: Tue, 17 Jul 2001 09:45:04 -0700 Subject: Re: A question about FreeBSD security > Ask on security@freebsd.org > > On Tue, Jul 17, 2001 at 03:38:16PM +0400, Nick Maschenko wrote: > > Hello Kris. > > Sorry if my question is too stupid. :-) > > If it is possible for you, would you like to advice me following: > > 1) some URLs about packet filtering in FreeBSD (ipfw), > > examples of good ipfw firewalls are preffered. > > 2) does FreeBSD kernel realize defence against some DoS > > attacks like smurf, broadcast, some types of > > flooding? > > I know and i use Linux 2.4.x branch with iptables, which can prevent some DoS attacks by using it's built-in mechanism. Does FreeBSD do somethging like this? For example, i saw how "she" :-) rejects > > a burst of RST/ACK packets while NMap scanning (stealth scan). If you do not want to answer in details, please advice me some URL(s) where i can read about this myself. > > Best regards. Nick. > > > > --- > > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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