It should be possible to index also attachments (both in-line and in attachment section) in all KB articles as well as for the requests inside the system.
In the portal, final user should be able to search catalog items, articles externally published, news. For every type of documents just mentioned, attachments should be indexed.
In the agent interface, agents should be able to search for artcles externally and internally published, requests, incidents and so on. For every type of objects just mentioned, attachments should be indexed.