Threat Level: green Handler on Duty: Mark Baggett

SANS ISC: TCP/UDP Port Activity - SANS Internet Storm Center TCP/UDP Port Activity

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Port Information
Protocol Service Name
tcp isakmp VPN Key Exchange
udp isakmp VPN Key Exchange
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User Comments
Submitted By Date
PC.Tech 2016-02-13 01:42:50
Per: - 11 Feb 2016 - "... Note that Cisco ASA versions 7.2, 8.2, 8.3, and 8.6 are affected but no-longer-supported by the vendor. Users of these versions should strongly consider migrating to a supported solution..." //
2016-02-11 01:32:24
CVE-2016-1287 - Cisco ASA Software IKEv1 and IKEv2 Buffer Overflow Vulnerability For details see or
Javier Fernandez-Sanguino 2003-05-11 03:20:54
This port might be used by vulnerability CAN-2003-0108 (affects tcpdump) and CAN-2002-1103 (affects the Cisco VPN concentrator) There seems to be increasing scanning in this port (as described in which might be related to the release of a new tool (ike-scan, see
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