SunScreen 3.2 is a stateful, dynamic, packet-filtering firewall that offers high-speed protection to your Solaris server. Some of the features of SunScreen 3.2 are as follows:
130 multithreaded stateful packet filters
Network address translation
SKIP and IPSec/IKE VPN client support
Ordered rule sets
Multiple firewall management
A Java applet GUI
Complete command-line control