Entry

Why is apache open UDP connections? (apache 1.3.20 on aix 4.3.3)

Aug 7th, 2005 03:14
emilio brambilla, scott thomason,

udp traffic may be dns query your apache is making in order to resolve
the name associated to the ip addresses visiting your site (it write the
name instead of the ip in the log files).

if this is the source of the udp traffic, you can avoid it by placing
"HostnameLookups Off" in your httpd.conf