Hi all The machine provides the name service I got the following in the dmesg. What is it? Can I have rules to prevent it? UDP: bad checksum. From outside-ip:61479 to machine-ip:61 ulen 45 UDP: bad checksum. From outside-ip:62499 to machine-ip:61 ulen 45 UDP: bad checksum. From outside-ip:64135 to machine-ip:61 ulen 45 UDP: bad checksum. From outside-ip:64135 to machine-ip:61 ulen 45 UDP: bad checksum. From outside-ip:65383 to machine-ip:61 ulen 45 outside-ip sent an invalid ICMP type 3, code 3 error to a broadcast: 248.32.x.x on eth0 outside-ip sent an invalid ICMP type 3, code 3 error to a broadcast: 248.32.x.x on eth0 outside-ip sent an invalid ICMP type 3, code 3 error to a broadcast: 248.32.x.x on eth0 Thank you __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com