There's one thing I want in any server software I use—plugins. Thankfully some of the best ones I use, such as Apache, MySQL, Perl, etc., are all pluggable in their own way. Needless to say, Openfire, too, is pluggable. Because there's (yes, here I go again) hardly anything to installing plugins in Openfire, I'll show you one plugin all admins should use in this section. There are other powerful plugins as well that we'll cover in later chapters.
Installing a plugin is simple. Notice the set of tabs at the top of the Openfire administration console? There's one called Plugins. The page this tab takes you to lists all of the installed plugins. As we haven't installed any yet, there will be none listed. From the navigation menu on this page, click on Available Plugins. This section has several plugins, several open source ones, and a couple of commercial ones. Every plugin has a brief Description (refer to the following screenshot), a Version number, the name of its...