What protocols does the built-in anti-virus (Anti-Virus) support on ZyWALL USG series hardware gateways?

The built-in antivirus ( Anti-Virus ) hardware gateway ZyWALL USG series can work with 5 protocols - HTTP, FTP, SMTP, SMTP and POP3.
Anti-Virus will scan all network traffic transmitted by the specified protocols to detect viruses. But if the virus is in a file that is transmitted, for example, via the NetBIOS protocol, the ZyWALL USG hardware gateway will not be able to detect it, because Embedded Anti-Virus does not support this protocol.

KB-00498