Webmaster in a Nutshell, 3rd Edition By Robert Eckstein, Stephen Spainhour
Table of Contents
Chapter 18. Apache Configuration
KeepAliveTimeOut
KeepAliveTimeOut seconds
[ server config or within <VirtualHost>]
Specifies the number of seconds to wait for the next request before closing a persistent connection. Used only when persistent connections are enabled with the KeepAlive On setting. The default is 15.