This reports whether Anti-Virus scanning of FTP traffic specifically is currently enabled on this gateway. FTP is a less common but still active vector for malware delivery, for example via legacy file-transfer workflows or a compromised FTP server, so this state matters most on networks that still rely on FTP for business file transfers rather than ones that have phased it out entirely. For example, this reading Active on a gateway protecting a legacy EDI or FTP-based file exchange with a business partner.