Client/Server Comm Lib for Visual Basic - Version 6.1 MarshallSoft Visual Basic and .NET TCP/IP and UDP/IP sockets client/server component for communication across a network such as the internet or intranet (LAN). CSC4VB uses the Windows API to communicate with other programs across any TCP winsock network. Features of CSC4VB include: Can be used to create both clients and servers. Supports "one time" passwords for improved security. Data and files can be encrypted and decrypted. Supports secure and private messaging. Create chat server and clients.Create client / server file transfer programs. Create client programs to talk to TCP servers (POP3, IMAP, HTTP, FTP, SMTP, DNS, etc,).Connect to a device by sending commands to its IP address.Create SMTP proxy programs extracting a copy of all recipient addresses.Create POP3 proxy programs that filter incoming email for Spam. Create HTTP proxy used to filter content.