Warning: This document has not been updated to take into account changes made in the 2.0 version of the Apache HTTP Server. Some of the information may still be relevant, but please use it with care.
In addition, make sure that USE_FCNTL_SERIALIZE_ACCEPT is defined (if not defined by Apache autoconfiguration). To reduce instances of connections in FIN_WAIT_2 state, you may also want to define NO_LINGCLOSE (Apache 1.2 only).
NOTE: Unixware 2.1.2 and later already have patch ptf3123 included
In addition, make sure that USE_FCNTL_SERIALIZE_ACCEPT is defined (if not defined by Apache autoconfiguration). To reduce instances of connections in FIN_WAIT_2 state, you may also want to define NO_LINGCLOSE (Apache 1.2 only).
Thanks to Joe Doupnik <JRD@cc.usu.edu> and Rich Vaughn <rvaughn@aad.com> for additional info for UnixWare builds.