FirewallStateful packet inspection, deep packet inspection, proxy firewallApplication ProxiesHTTP, HTTPS, SMTP, FTP, DNS, TCP, POP3Threat ProtectionBlocks spyware, DoS attacks, fragmented packets, malformed packets, blended threats and moreVoIPH.323. SIP, call setup & session securitySecurity subscriptionsWebBlocker, spamBlocker, Gateway AntiVirus/Intrusion Prevention Service (available in the Security Bundle)
VPN & Authentication:
EncryptionDES, 3DES, AES 128-, 192-, 256-bitIPSecSHA-1, MD5, IKE pre-shared Key, 3rd party cert importSSLThin client, Web exchangePPTPServer & PassthroughVPN FailoverYesSingle Sign-OnTransparent Active Directory Auth.XAUTHRadius, LDAP, Windows Active DirectoryOther User AuthenticationVASCO, RSA SecurID, web-based, local