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Network Security - Coggle Diagram

- - - - Packet Filtering: Examination of incoming packet
      - Application Gateway: Enables passing of network through its custom ports
      - Circuit Level Gateway: Authentication first over Application Gateway
      - Stateful Packet Inspection: Examination and comparison of current and previous Packet
    - - Dual Homed Host: Firewall installed on Server
      - Host Based: Firewall installed on OS as application
      - Router Based Firewall: Baked into firmware of router
      - Screened Host: Combination of two different firewall solution
  - - - PPTP: Point to point Tunneling Protocol
        
        EAP: Extensible Authentication Protocol
        
        CHAP: Challenge handshake Protocol
      - L2TP: Layer 2 Tunneling Protocol
        
        CHAP: Challenge Handshake Protocol
        
        MS-CHAP: Microsoft Challenge Handshake Protocol
        
        EAP: Extensible Authentication Protocol
        
        PAP: Password Authentication Protocol
        
        SPAP: Shiva Password Authentication Protocol
        
        Kerberos
    - - Modes
        
        Transport
        
        Tunneling
      - Protocols
        
        Authentication Header
        
        Encapsulating Security Payload
- - - - Specter
      - Symantec Decoy Server
- - - - Sniffer
      - Packet Logger
      - Network Intrusion detection
- - - - Binary Operation
      - DES: Data Encryption Standard 64bit
      - Blowfish: Flexible range between 32 to 448 bits
      - AES: Advanced Encryption Standard; Algorithmic approach to encryption
    - - RSA
      - Elliptic Curve
    - - Digital Certificates
        
        Contents
        
        Version
        
        Key
        
        Serial Number
        
        Holder Name
        
        Validity
        
        Issuer Name
        
        Algorithm identifier
        
        Types
        
        Domain Validation
        
        Wildcard certificates: single certificate for multiple domain
        
        Code signing cetificate
        
        User Certificate
        
        Machine/computer certificate
        
        E-mail Certificates
        
        Root Certificates
      - PGP Certificates
  - - - Bitlocker
    - - LUKS: Linux Unified Key Setup
  - - - SHA1 160 bit
      - SHA2 256 or 512 bit
      - SHA 3
- - - - Source Routed IP Packets
      - Man in the middle attack
  - - - Benefiting the Operational Limits
      - Types
        
        SYN Flood
        
        Smurf Attack: Alteration of return key of ICMP packet
        
        Ping of Death: Overloading the size of packet
        
        UDP Flood
        
        Buffer Overflow
      - Tools
        
        LOIC: Low Orbit Ion Cannon
        
        HOIC: High Orbit Ion Cannon (Simpler)