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Bash Script - Helpful iptables

 

Bash script to perform iptable commands and to improve my knowledge of general networking cyber security concepts.

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Purpose: To practice bash scripting and improve my own knowledge

Features

1.Policies
    a. Deny by Default
    b. Accept by Default


2. Specific Attacks Prevention
    a. Ping Flood  
    b. TCP SYN Flood  
    c. Malformed Packets  
    d. Smurf Attacks


3. Worst Case Options
    a. Block all incoming traffic  
    b. Flush all rules


4. Backup / Restore
    a. Backup current rules
    b. Restore from backup

Full Code on GitHub

Test Case

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