Security Update 2009-006 Server
Security Update 2009-006 is recommended for all servers and improves the security of Mac OS X. Previous security updates have been incorporated into this security update.
SHA 1 digest = 56f7b5875285cab344b5837c3de6b882c7c1bb99
For explanation of what a SHA1 digest is, please visit this website: Mac OS X: How to verify a SHA-1 digest.
For information on the security content of this update, please visit this website: Apple security updates.