1. Basic security skills on the World Wide Web
1.1 An introduction to network security
1.1.1 Secure and insecure networks
1.1.2 Digital cryptography on the web  
1.2 The web browser-server dialog                                                     
1.2.1 The structure and configurations of the web
1.2.2 Web browser and server dialog
1.2.3 My first page with security
1.2.4 Using HTML and migrating to XHTML
1.3 Webpage skills for message manipulation and Security                  
1.3.1 Number Systems Used On The Web
1.3.2 The Ascii Character Set
1.3.3 Using Unicode On The Web
1.3.4 Numerical Representations Of Messages
1.3.5 Implementation Of The Caesar Code
1.4 Bitwise Operators And Base64 Encoding/Decoding               
1.4.1 An Introduction To Bitwise Operators
1.4.2 Bitwise Operations and Encryptions on The Web
1.4.3 Base64 Encoding And Decoding
1.5 The Xor And Pkzip/Winzip Encryption Schemes                                
1.5.1 Xor Encryption/Decryption
1.5.2 Implementation Of The Xor Scheme On The Web
1.5.3 Encryption/Decryption Of Pkzip And Winzip
1.5.4 Implementation Of The Pkzip/Winzip Encryption Scheme
2. Cryptology, Website Protection And Attacks
2.1 An Overview Of Cryptology                                                                         
What Is Cryptology?                                                                                            
Examples On Classic Ciphers And Attacks                                                           
Basic User Authentication And Website Protections                               
2.2.1 The Beginning Of Cipher-Based Authentication                        
2.2.2 Basic HTTP Authentication With Apache