HTTP

HTTP (Hypertext Transfer Protocol) is the set of rules(protocol) that govern the transferring of files over the Internet. These files can be text, graphics, sound or video. HTTP uses a simple server-client interface, where the client requests a file or application and the server processes the request and returns the correct data back to the client. The HTTP protocol works at level 7 of the ISO-OSI stack.

The HTTP protocol is the de facto standard for transferring documents over the internet.

The current version of HTTP is HTTP/1.1 described in the RFC 2616. More information can be found at the WWW Consortium.
HTTP is the default protocol used in myserver, data is sent in clear text, if you need to transfer confidential data like passwords then consider to setup a HTTPS vhost.
The default installation of myserver configures a HTTP vhost on the standard port 80, under UNIX-like systems only the root user has the needed privileges to use that port, be sure you are root before execute myserver or change the default port.