LuaSocket is a Lua extension library that provides support for the TCP and UDP
transport layers.

Extra Lua modules implementing SMTP, HTTP and FTP protocols are installed
to /usr/local/lib/lua/luasocket.

Note that this port requires Lua v4 and does not compile with Lua v5.

WWW: http://www.tecgraf.puc-rio.br/~diego/luasocket/