The Solaris Security FAQ – Excellent Solaris Security papeer that covers many of the basics, and serves as a good standard reference for securing Solaris installations.
You can download it from the following link: https://packetstormsecurity.com/files/download/13854/solaris.security.faq.html
Source: https://packetstormsecurity.com/files/13854/solaris.security.faq.html.html