- Basics of Web
- Basics of HTTP
- Detection of common web vulnerabilities:
- Basics of fingerprinting
- and more! (like Linux Host Review)
As I’ve noted before, you should check Security Monkey’s blog occasionally; he’s in my blogroll.
Learn Information Security (Infosec) Free!
To see PentesterLab’s free, self-study exercises to learn infosec, see the bootcamp series. The series provides articles and books to read and exercise to do, but it doesn’t give you the answers, to ensure you work through it yourself.
Linux Host Review
If you need to audit a Linux computer, see the Exercises. The Linux Host Review is at the bottom. Check out all the exercises on that page!