What does the e-shield service of Jiangsu Rural Commercial Bank mean?

Jiangsu Rural Commercial Bank E Shield is a firewall. The function of E-Shield firewall in Jiangsu Rural Commercial Bank: The firewall scans the network communication flowing through it, so as to filter out some attacks and prevent them from being executed on the target computer. Firewalls can also close unused ports. In addition, it can also prohibit outgoing communication on specific ports and block Trojans. Finally, it can prohibit access from special sites, thus preventing all communication from unknown intruders. E-shield, also known as USBKey digital security certificate, generally referred to as USBKey, is an advanced security authentication tool based on USBKey and embedded with digital certificate, which is widely adopted by domestic and foreign banks and meets the requirements of regulatory authorities. BOC E Shield integrates LCD display and key confirmation functions, which can effectively check transactions and identity authentication.