Ralf Spenneberg writes.... > > Am Mit, 2003-02-26 um 22.18 schrieb Cliff Kent: > > Oops... One More Time... > > > Hi Cliff, > > > I ran "tcpdump -X proto 2" as root for about 2 minutes today and > > produced a 76 Kb text file. (The same command on a RH8 box here produced > > nothing in and hour.) > > > > > 13:56:52.679075 ny-auburn2c-319.aburny.adelphia.net > > > EXTENDED-SYS.MCAST.NET: igmp v2 report EXTENDED-SYS.MCAST.NET [ttl 1] > > 0x0000 4600 0020 e756 0000 0102 5ed6 1834 e53f F....V....^..4.? > > 0x0010 e000 0137 9404 0000 1600 08c8 e000 0137 ...7...........7 > > 0x0020 3737 3737 3737 3737 3737 3737 3737 77777777777777 > Can you elaborate on the IP address above? > Is ny-auburn2c-319.aburny.adelphia.net your Linux Box? > > If you want me to have a look, send me the file. > > Che > -- > Ralf Spenneberg > RHCE, RHCX > > IPsec/PPTP Kernels for Red Hat Linux: > http://www.spenneberg.com/.net/.org/.de > Honeynet Project Mirror: http://honeynet.spenneberg.org > Snort Mirror: http://snort.spenneberg.org > Hope this doesn't confuse things, but I get something similar. I'm running a network behind a linksys router. I 'think" I have all the garbage from outside filtered out, but I get this when I run "tcpdump -X proto 2" "kris.jaycrews.com" is a XP machine on the internal LAN. Should I worry about this? How can I filter it out? Thanks -- Jay Crews jpc@jaycrews.com [root@scooby bin]# tcpdump -X proto 2 tcpdump: listening on eth0 12:57:26.052971 kris.jaycrews.com > IGMP.MCAST.NET: igmp v3 report, 1 group record(s) [ttl 1] 0x0000 4600 0028 6904 0000 0102 1a3a c0a8 00d3 F..(i......:.... 0x0010 e000 0016 9404 0000 2200 ea03 0000 0001 ........"....... 0x0020 0400 0000 efff fffa 0000 0000 0000 .............. 12:57:26.746676 kris.jaycrews.com > IGMP.MCAST.NET: igmp v3 report, 1 group record(s) [ttl 1] 0x0000 4600 0028 6913 0000 0102 1a2b c0a8 00d3 F..(i......+.... 0x0010 e000 0016 9404 0000 2200 ea03 0000 0001 ........"....... 0x0020 0400 0000 efff fffa 0000 0000 0000 .............. -- Psyche-list mailing list Psyche-list@redhat.com https://listman.redhat.com/mailman/listinfo/psyche-list
