Astaro Security Linux
The most important new key features are a PPPoE client, a DHCP server and client, sophisticated reporting and log file handling, traffic shaping, heavily improved HTTP and SMTP proxies, IPSec with X.509 certificates and AES encryption, PKI management for the X.509 certificates, surf protection (with optional URL listing with 12 mio entries), and High Availability (with optional hot standby)."
