SecurityFocus HOME Infocus: Introduction to Nessus

https://archive.li/o/sptPb/web.archive.org/web/20040325231828/http://www.securityfocus.com/infocus/1741 (archive.li)

Harry Anderson has written a thorough series of articles on the SecurityFocus web site called an Introduction to Nessus. He goes into detail about how the nessus client and server pieces work. He also gives some advice on interpreting Nessus results.