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This chapter covered the low-level mechanisms on which to build more complex protocols and layers. The Inets application, which comes as part of the OTP distribution, is a container for IP-based protocol implementations. It includes a web server called Inets as well as HTTP and FTP clients. It also has a Trivial File Transfer Protocol (TFTP) client and server. For more information on the Inets application, refer to its user guide and reference manual.
A part of distributed Erlang is the Secure Sockets Layer (SSL) application, providing encrypted communication over sockets. Erlang’s SSL application is based on the open source OpenSSL toolkit. You can read more about this application in the user guides and manuals that come with the Erlang distribution.