Reading “SSH Mastery” by Michael Lucas.

This file is written while I was reading “SSH Mastery” by Michael W. Lucas.

1. Questions

1.1. What is ECDSA? Is is an improved version of DSA? Why not just RSA?

1.2. What is ED25519? Is it any better than RSA?

1.3. How can I check if my computer was visited by “Hail Mary Cloud”?

1.4. How does a passphrase actually protect the ssh key? Other encryption layer?

1.5. What does xauth(1) do?

1.6. Let me have an X-server running on localhost:10.0 ; what do 10 and 0 mean？

1.7. xscreensaver or xlockmore? How does xfce4-screensaver choose one?

1.8. What is DSA? How does it work?

1.9. What is sha2?

1.10. What is nistp256?

1.11. How does X.509 system work?

2. Words

2.1. aggravating

2.2. decoy

2.3. piggyback

2.4. tinpot despot