Date: Fri, 11 Aug 2006 09:18:49 +0100 From: "Greg Hennessy" <Greg.Hennessy@nviz.net> To: "'beno'" <zope@2012.vi>, <freebsd-pf@freebsd.org> Subject: RE: Spoofers, Spammers & Other Bad Guys Message-ID: <001801c6bd1e$c5fd7af0$0a00a8c0@thebeast> In-Reply-To: <44DC3667.8020800@2012.vi>
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> Hi; > I'm configuring my firewall and I'd like to make a table of > "bad guys", preferably one that automatically updates from > the Web. As long as you run a default block policy, maintaining an ever growing list of what are most likely dhcp assigned addresses is a complete waste of time and a nightmare to maintain. Spammers can be dealt with in number of ways.... Killing incoming 25/tcp from cidr blocks assigned to various parts of APNIC and other registries. Much easier and far less hassle than blocking individual addresses. Using spamd with graylisting. > Surely someone else has already thought of this and > implemented something similar, so could someone clue me in? Who/what are you trying to block exactly ? Anti spoofing comes as part of a properly written block policy. > > Also, where do I find a list of devices (lo, fxp0, etc.) in my box? ~# ifconfig -a Greg
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