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://secunia.com/advisories/31930/ http://bugs.proftpd.org/show_bug.cgi?id=3115 http://www.vuxml.org/freebsd/0f51f2c9-8956-11dd-a6fe-0030843d3802.html

The following packages are affected: proftpd proftpd-mysql proftpd-devel