On Tue, 14 Dec 2004 11:31:21 +0100 (CET), Paul Starzetz <ihaquer@xxxxxxx> wrote: > You can check if your configuration is vulnerable by looking at these > files: > > /proc/net/igmp > /proc/net/mcfilter > > if both exist and are non-empty you are vulnerable! Just to be clear: if "mcfilter" is empty, then you aren't vulnerable? I have both files, and "igmp" contains data, but "mcfilter" is empty.