ServerFiles.com is a server software & hardware directory for Network administrators & IT professionals, listing networking & server software for Windows 2003, Windows 2000, NT and Linux; and now also listing networking hardware solutions focused on server based computing.
Vote for Panda Security for ISA Servers
Panda Security for ISA Servers protects against all malware (viruses, worms, Trojans, spyware and adware, spam and hoaxes, phishing, dialers, hacking tools, security risks, etc.). It scans all file formats sent and received. It does this using a Web filter (ISAPI) and an application filter through HTTP, SMTP and FTP (over HTTP).
