Port data transmit with multiplicate protocol.High performance to TCP/IP communication.Transmit the multiplicate protocol data from LAN to internet.Intelligent FTP/HTTP protocol filter and data transmit.SSLv2/3ioTLSv1 encrpytion transfer was supported.IP rules script to save you server security.Auto create data link for FTP PASV data mode. Build FTP server in LAN.To be more flexible, it's up to you!. .