Date: Mon, 18 Apr 2005 16:15:32 -0700 From: John Pettitt <jpp@cloudview.com> To: freebsd-questions <freebsd-questions@freebsd.org> Subject: Multicast and security Message-ID: <42643F94.7020903@cloudview.com>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 My ISP ( sonic.net - a *great* ISP) just added support for the BBC multicast trial ( see http://support.bbc.co.uk/multicast/streams.html ). I'm looking at adding MROUTING to my gateway/firewall box (Soekris 4801 running 5.4 RC2). However having not played with multicast before I'm looking for pointers on the security issues (I don't want to create a gaping hole in my FW). I'm using ipfw for my normal FW stuff and I assume I need to add rules for 224.0.0.0/4 to let mrouted do it's job but what (if anything) do I need to do to make sure this can't be abused from the outside? John -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (MingW32) iD8DBQFCZD+TaVyA7PElsKkRAh/IAJ9H22H0QJUrt9xuO44NZrdP1jQpRwCgnV3y mxRoeFr9HTcut7AA9/OOgQs= =/EH4 -----END PGP SIGNATURE-----
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