Date: Fri, 04 Mar 2005 15:13:18 -0600 From: Jason Hunt <jhunt@akula.org> To: Charles Swiger <cswiger@mac.com> Cc: freebsd-ipfw@freebsd.org Subject: Re: Quick Firewall Question Message-ID: <BE4E2B8E.1E104%jhunt@akula.org> In-Reply-To: <4e2234d5eae49964babe6b525612473a@mac.com>
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Chuck, Thanks for your quick response. What I really need to do is to block specific ports on my outside interface NIC. In fact, I need to keep the 2nd NIC which is internal open to those ports. > From: Charles Swiger <cswiger@mac.com> > Date: Fri, 4 Mar 2005 16:09:17 -0500 > To: Jason Hunt <jhunt@akula.org> > Cc: <freebsd-ipfw@freebsd.org> > Subject: Re: Quick Firewall Question > > On Mar 4, 2005, at 4:01 PM, Jason Hunt wrote: >> Greetings, >> >> I have a machine that I need to quickly block outside access to (just >> internal access from 2nd NIC). Is there any quick examples of how I >> can add >> a rule to specifically block a port on specific IP? > > ipfw add 100 deny tcp from 1.2.3.4 any to 192.168.1.2 11 > > This will block connections from IP 1.2.3.4 to your host's port 11, > assuming your local IP was 192.168.1.2 > > -- > -Chuck > >
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