Date: Tue, 21 Aug 2001 13:56:32 -0500 From: Steve Price <steve@havk.org> To: Fernando Gleiser <fgleiser@cactus.fi.uba.ar> Cc: questions@FreeBSD.ORG Subject: Re: null route Message-ID: <20010821135632.H70621@bsd.havk.org> In-Reply-To: <20010821155035.M44387-100000@cactus.fi.uba.ar>; from fgleiser@cactus.fi.uba.ar on Tue, Aug 21, 2001 at 03:51:55PM -0300 References: <20010821132909.E70621@bsd.havk.org> <20010821155035.M44387-100000@cactus.fi.uba.ar>
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On Tue, Aug 21, 2001 at 03:51:55PM -0300, Fernando Gleiser wrote:
> On Tue, 21 Aug 2001, Steve Price wrote:
>
> > What's the easiest way to setup a null route for an IP address?
> > I have a box in the same datacenter as one of my machines that
> > is blasting me with the Code Red II virus. I thought I could
> > do something like 'route add x.x.x.x 127.0.0.1' but that didn't
> > work.
>
> You can use ipf or ipfw to block connections from the offending machine.
Thanks for the quick reply. I ended up using the following which
seems to have done the trick.
route add -host x.x.x.x 127.0.0.1 -reject
-steve
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