About Mac OS X Server 10.5.8 Update v.1.1
The 10.5.8 update is recommended for all servers currently running Leopard Server. This update includes general operating system fixes, as well as specific fixes for:

- reliability of AFP for file services and Time Machine backups
- propagating file system permissions
- maintaining history of users previous passwords
- ensuring consistent VPN throughput regardless of load
- Spotlight indexing and memory consumption
- Resolves duplicate serial number alert for servers with multiple network interfaces

For detailed information about this update, please visit this website.

For detailed information on security updates, please visit this website.

SHA1=acde101c12f2c48094e2aca
d2ea3ac40b791b8b5

For explanation of what a SHA1 digest is, please visit this website: About SHA1 digest.