Apple Released Mac OS X 10.2.4 Server

It is available from the Software Update preference panel. Check here for the direct download in the near future. [Update: Here are the combo and the 10.2.3->10.2.4 updaters.] The new update for the server edition of Mac OS X is Build 6I35, a few builds past Build 6I32 of the client edition. From the Read Me file:

"The 10.2.4 Server Update delivers enhanced functionality and improved reliability for the following applications, services and technologies: AFP, SMB and NFS file services, DHCP, NetBoot, Open Directory, QuickTime Streaming Server, Sendmail and Workgroup Manager. It prevents Xserve drives from being unmounted while locked, provides Digest authentication for WebDAV, management of Energy Saver settings, and supports NetBoot images greater than 2 GB in size. The update also provides the latest Security Updates."

The details are in this KBase article. IP over FireWire is implemented in this update:

"Support for IP over FireWire. This enhancement enables Mac OS X Server to utilize high speed, low latency interconnects for clustering and IP failover solutions over FireWire. You no longer need to use ports on your gigabit Ethernet switch in order to use IP failover."