Apache Technologies 14 Manual do Utilizador descarregar pdf (Página 30)

30 Chapter 2 Managing Web Technologies

When a browser initiates a connection to an SSL-protected server, it connects to a

specific port (443) and sends a message that describes the encryption ciphers it

recognizes. The server responds with its strongest cipher, and the browser and server

then continue exchanging messages until the server determines the strongest cipher

both it and the browser recognize. Then the server sends its certificate (the Apache

web server uses an ISO X.509 certificate) to the browser; this certificate identifies the

server and uses it to create an encryption key for the browser to use. At this point a

secure connection has been established and the browser and server can exchange

encrypted information.

Using WebDAV

Web-based Distributed Authoring and Versioning (WebDAV) allows you or your users to

make changes to websites while the sites are running. You enable WebDAV for

individual sites, and you also need to assign access privileges for the sites and for the

web folders. See “Enabling WebDAV on Websites” on page 44 for details.

Using Tomcat

Tomcat adds Java servlet and JavaServer Pages (JSP) capabilities to Mac OS X Server.

Java servlets are Java-based applications that run on your server, in contrast to Java

applets, which run on the user’s computer. JavaServer Pages allows you to embed Java

servlets in your HTML pages.

You can set Tomcat to start automatically whenever the server starts up. This ensures

that the Tomcat module starts up after a power failure or after the server shuts down

for any reason. You can use the Server Admin or Terminal application to enable Tomcat;

see “Tomcat” on page 68 for details.

Using WebObjects

WebObjects is the Apple solution for rapid development and deployment of

ecommerce and other Internet applications. WebObjects applications can connect to

multiple databases and dynamically generate HTML content. WebObjects offers a

comprehensive suite of tools and run-time libraries that facilitate developing

standards-based web services and Java server applications.

You can set WebObjects to start automatically whenever the server starts up. This

ensures that the WebObjects modules starts up after a power failure of after the server

shuts down for any reason. You use the Server Admin application to turn WebObjects

on or off; see “WebObjects” on page 61 for details.

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Apache Technologies 14 Manual do Utilizador Página 30