On Sat, 2009-01-31 at 21:30 -0600, Mike McGrath wrote: > On Sat, 31 Jan 2009, Frank Chiulli wrote: > > > So I've implemented the CSI (Security Policy) as previously posted by Mike > > (http://infrastructure.fedoraproject.org/csi/security-policy/en-US/html-singel/) > > > > Now I'm seeing the following messages in /var/log/messages: > > Jan 31 19:09:21 localhost kernel: FW-REJECT IN=eth0 OUT= > > MAC=ff:ff:ff:ff:ff:ff:00:16:01:41:10:5b:08:00 SRC=192.168.2.248 > > DST=192.168.2.255 LEN=78 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP > > SPT=137 DPT=137 LEN=58 > > > > Jan 31 19:09:21 localhost kernel: FW-REJECT IN=eth0 OUT= > > MAC=ff:ff:ff:ff:ff:ff:00:0e:3b:02:0e:b7:08:00 SRC=192.168.2.250 > > DST=192.168.2.255 LEN=229 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP > > SPT=138 DPT=138 LEN=209 > > > > > > 192.168.2.248 is a NAS device > > 192.168.2.250 is a Hawking print server > > > > I'm not an iptables expert. Usually I just leave it alone. Can > > someone help me write one or more rules to eliminate the messages? > > > > I suspect that before you were blocking these messages but didn't notice. > You'll see the "DPT=137" and "DPT=138". Those are both ports that the > various IP's are trying to hit on your machine. If you check out those > ports in /etc/services > > In this case those devices seem to be using netbios. If you want to get > rid of them you can just remove the: > > -A INPUT -j LOG --log-prefix "FW-REJECT " > > Or setup netbios, or block the ports explicitly or allow it and let them > drop naturally. Those are windows/samba/cifs ports. if you've got samba running and/or a windows (or now-adays even a mac) running on the same network you'll probably find your culprit. -sv _______________________________________________ Fedora-infrastructure-list mailing list Fedora-infrastructure-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-infrastructure-list
