CVE-2006-1624
The default configuration of syslogd in the Linux sysklogd package does not enable the -x (disable name lookups) option, which allows remote attackers to cause a denial of service (traffic amplification) via messages with spoofed source IP addresses.
Date published : 2006-04-05
http://www.securityfocus.com/archive/1/429618/100/0/threaded
http://www.securityfocus.com/archive/1/429739/100/0/threaded