In some mail from Ed3f, sie said: > > > ************************ SECURITY ALERT ************************ > > > Systems Affected > > 100% of packet filtering systems included commercial > embedded devices > (no unaffected system known at the moment) Well, not quite 100%... You have been able to filter on bad TCP checksums in IPFilter for some time - see this email message from me to the ipfilter list some 4 months ago: http://false.net/ipfilter/2002_08/0250.html I'm trying to get other things done and fixed before saying "4.0 is no longer alpha". Darren