Vote for BitDefender Security for ISA Server
BitDefender Security for ISA Server offers antivirus protection for web traffic, including protection for data received through webmail. BitDefender for MS ISA Servers integrates with the firewall and the web cache server, Microsoft ISA Server, through two application (ISAPI) filters offering antivirus protection for the HTTP, FTP and FTP through HTTP traffic.
Features include: Certified Antivirus Engines; Integrated with Microsoft ISA 2004 Server and Microsoft ISA 2000 Server; HTTP and FTP Filters; Filter management; Improved Virus Detection; Browser comforting; White list filter; Interface Integration; Automatic Updating; Secures Infected or Suspected Files; Reports and Notifications; Centralized Management from a Network Location; Updates and Upgrades; Professional Technical Support