SPS SP2
Microsoft has released Service Pack 2 for SharePoint Portal Server. This service pack includes updates contained in prior hot fixes as well as Service Pack 1 for issues such as security, stability and performance. This version also adds support for running on 64-bit servers, IP bound virtual servers, and SQL Server 2005.
While there are many bugs fixed in this Service Pack, this release also adds the following new features.
Support for running on 64-bit machines in 32-bit emulation mode
Support for Reverse Proxy and Alternate URL support
Support for IP-Bound virtual servers
Support for off-box SSL termination
Support for SQL Server 2005
Kerberos-enabled by default