A SOCKS configuration file entry consists of an FTP server address and an indication whether to access that FTP server directly or through a SOCKS server. An entry can alternatively define a subnet, and indicate whether to access FTP servers in the subnet directly or through a SOCKS server.
To define an entry identifying a specific FTP server, select "A specific FTP server" and enter the server's IP address.
To define an entry identifying a subnet where FTP servers reside, select "FTP servers in a subnet" and enter the IP address and subnet mask combination. The IP address and subnet mask are logically ANDed together to calculate the subnet.