Sun's informational and patch database service, with a browsable directory listing of all publicly available Sun Microsystems support documents.

Includes subscription instructions for the Sun security-alert mailing list. Subscribe to this list to be alerted when security patches are released. Very low volume.

Security and recommended patches for Solaris: patch clusters and individual patches.

Step-by-step instructions on using sendmail's LDAP routing feature. [Sun support contract required]

Official site for security information and free patches. This is also the portal for support contract customers to obtain online technical support.