According to my sources (<a href="http://www.iana.org/">Internet Assigned Numbers Authority</A>) port 1067/udp (&tcp) is for Installation Bootstrap Proto. Serv., whatever that means. Where did you find SMTP? SMTP lives on port 25/tcp. Unless some sites run it in strange places for "security" through obscurity reasons. Many scanners seem to be using a source of 53/udp recently (I see the same at home on a dialup) likely to make themselves part of the background DNS noise. It doesn't work, we see you. Stop. My comments are my own and have NOTHING to do with Zone Labs or it's policies. I'm just a UNIX geek after all. ; } Steve Vawter UNIX SYSTEM ADMINISTRATOR Zone Labs, Inc. 1060 Howard Street San Francisco CA 94103 ph 415-341-8323 fax 415-341-8299 cell 510-409-9184 pager 877-933-0549 -----Original Message----- From: LAVELLE,MICHAEL (HP-PaloAlto,ex1) [mailto:mlavelleat_private] Sent: Tuesday, April 16, 2002 8:36 AM To: incidentsat_private Subject: Strange UDP Activity Greetings to the List, I recently started seeing strange UDP traffic to my home DSL, which is included below. It has been active for the last 4 days at all hours. None of these IPs are DNS servers that I use, and much of the activity is when all of my computers are off. Google led me to port 1067 as being an SNMP port, but I have SNMP disabled on all devices at home, and the ACL blocks it anyway. Is there a new vulnerability going around that I missed? So far I have not read anything on the list that looks like this...any ideas? Thanks for listening, Mike ___________________________ Apr 14 22:44:42: %SEC-6-IPACCESSLOGP: list 100 denied udp 192.36.148.17(53) -> X.X.55.121(1067), 4 packets Apr 14 22:44:42: %SEC-6-IPACCESSLOGP: list 100 denied udp 202.12.27.33(53) -> X.X.55.121(1067), 4 packets Apr 14 22:44:42: %SEC-6-IPACCESSLOGP: list 100 denied udp 192.112.36.4(53) -> X.X.55.121(1067), 3 packets Apr 14 22:44:42: %SEC-6-IPACCESSLOGP: list 100 denied udp 198.32.64.12(53) -> X.X.55.121(1067), 5 packets Apr 14 22:46:43: %SEC-6-IPACCESSLOGP: list 100 denied udp 192.33.4.12(53) -> X.X.55.121(1067), 1 packet Apr 14 22:46:43: %SEC-6-IPACCESSLOGP: list 100 denied udp 192.5.5.241(53) -> X.X.55.121(1067), 7 packets Apr 14 22:48:43: %SEC-6-IPACCESSLOGP: list 100 denied udp 128.9.0.107(53) -> X.X.55.121(1067), 7 packets Apr 14 22:48:43: %SEC-6-IPACCESSLOGP: list 100 denied udp 193.0.14.129(53) -> X.X.55.121(1067), 7 packets Apr 14 22:49:43: %SEC-6-IPACCESSLOGP: list 100 denied udp 128.8.10.90(53) -> X.X.55.121(1067), 4 packets Apr 14 22:49:43: %SEC-6-IPACCESSLOGP: list 100 denied udp 128.63.2.53(53) -> X.X.55.121(1067), 3 packets Apr 14 22:49:43: %SEC-6-IPACCESSLOGP: list 100 denied udp 192.203.230.10(53) -> X.X.55.121(1067), 6 packets Apr 14 22:49:43: %SEC-6-IPACCESSLOGP: list 100 denied udp 198.41.0.4(53) -> X.X.55.121(1067), 3 packets Apr 14 22:49:43: %SEC-6-IPACCESSLOGP: list 100 denied udp 198.41.0.10(53) -> X.X.55.121(1067), 3 packets Apr 14 22:49:43: %SEC-6-IPACCESSLOGP: list 100 denied udp 192.36.148.17(53) -> X.X.55.121(1067), 3 packets ---------------------------------------------------------------------------- This list is provided by the SecurityFocus ARIS analyzer service. For more information on this free incident handling, management and tracking system please see: http://aris.securityfocus.com ---------------------------------------------------------------------------- This list is provided by the SecurityFocus ARIS analyzer service. For more information on this free incident handling, management and tracking system please see: http://aris.securityfocus.com
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