The remote host is missing an update to the system as announced in the referenced advisory.

Update your system with the appropriate patches or software upgrades. http://orange.kame.net/dev/query-pr.cgi?pr=555 http://www.vuxml.org/freebsd/40fcf20f-8891-11d8-90d1-0020ed76ef5a.html

The following package is affected: racoon CVE-2004-0392 racoon before 20040407b allows remote attackers to cause a denial of service (infinite loop and dropped connections) via an IKE message with a malformed Generic Payload Header containing invalid (1) 'Security Association Next Payload' and (2) 'RESERVED' fields.