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://ds9a.nl/cgi-bin/cvstrac/pdns/tktview?tn=21 http://doc.powerdns.com/changelog.html#CHANGELOG-2-9-17 http://www.vuxml.org/freebsd/5a5422fd-7e1a-11d9-a9e7-0001020eed82.html

The following package is affected: powerdns The installed version of PowerDNS is vulnerable to a denial of service attack by an attacker that sends a random stream of data to it.