Date: Fri, 16 Sep 2005 09:19:11 -0400 From: Bob Hall <rjhjr@cox.net> To: freebsd-questions@freebsd.org Subject: Re: ct Re: NMAP probing of network ports Message-ID: <20050916131911.GA36475@kongemord.krig.net> In-Reply-To: <432abc54.2b3.6a6c.3021@canada.com> References: <432abc54.2b3.6a6c.3021@canada.com>
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On Fri, Sep 16, 2005 at 07:36:36AM -0500, Boris Karloff wrote: > It appears that when FreeBSD is sent an invalid packet > without the SYN or ACK bits set, it responds with a RESET > reply regardless of the ipfw rules. It appears this is one > of the things nmap is exploiting. > > Any suggestions on how to modify this behavior? man blackhole
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