This directory contains the implementation of the protocols FTP, HTTP and SMTP. The files provided are: http.lua -- HTTP protocol implementation base64.lua -- base64 encoding implementation The module http.lua provides functionality to download an URL from a HTTP server. The implementation conforms to the HTTP/1.1 standard, RFC 2068. The base64.lua module provides base64 encoding and decoding. The module is used for the HTTP Basic Authentication Scheme, and conforms to RFC 1521. smtp.lua -- SMTP protocol implementation The module smtp.lua provides functionality to send e-mail messages to a SMTP mail server. The implementation conforms to RFC 821. ftp.lua -- FTP protocol implementation The module ftp.lua provides functions to download and upload files from and to FTP servers. The implementation conforms to RFC 959. These implementations are supported. Please send any comments do diego@tecgraf.puc-rio.br.