Final Apache 1.3 release includes security fixes and a recommendation to upgrade to 2.0

http://www.h-online.com/security/news/item/Apache-HTTP-Server-1-3-s-fina...

Apache HTTP Server developers released the final version (1.3.42) of
their webserver. It is a bugfix and securety release (for mod_proxy).

The developers warn that although security patches may be still be
released for 1.3, they strongly recommend users update to 2.2 as soon as
possible.

I recommend the same.

Thanks,
Brian