Notes for Computer Information Technology 160
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nov11.md 637B

November 11

Overview

  • MIME
  • Encoding
  • Injection
  • History
  • Passwd Composition Rules
  • AUTH Login
  • Base 64
  • SSH/SSL/Certs/PKI

Contents of an Email (excluding “envelope”)

  • Header
    • FROM
    • TO
    • DATE
  • Separator
  • Body

History

You can press up on the terminal to type the previous command

!! runs the previous command in bash

history is stored in .bash_history

Injection

Sometimes when user input is taken, it is executed as code.