Linux Firewall using IPtables | Shell script for Linux firewall using IPtables #systechs #linuxfirew

#SysTechs
Learn the essentials of configuring a Linux firewall in just one minute! This video covers the importance of firewalls, basic iptables commands, checking firewall status, and saving rules. Perfect for beginners looking to secure their Linux systems. Discover how easy it is to protect your system with commands like iptables -A INPUT -p tcp --dport 22 -j ACCEPT and iptables -P INPUT DROP. We also touch on using UFW for a simpler firewall management experience. Subscribe for more quick tech tips!
Math 8 class, Exercise 1.2 Question 5, De Morgan's Laws, Federal Board
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download the shell script to configure the linux firewall #script
#!/bin/bash

# Allow Incomming SSH
echo "Configuring firwall to accept incomming SSH"
clear
sudo iptables -A INPUT -p tcp --dport 22 -j ACCEPT
echo "SSH allowed, hit return key to contine"
readd key
clear
echo "Press return key to block all traffic other than SSH"
read key
clear
sudo iptables -P INPUT DROP
echo "All traffic other than SSH blocked, press enter to continue"
read key
clear
echo "Show the Status of Firewall"
sudo iptables --list
echo "Hit return key to continue"
read key
echo "Another way to List IPtables rules"
sudo iptables -L
echo "Press Enter Key to continue"
read key
clear
echo "Save the Firewall rules to a file"
sudo iptables-save -f /etc/iptables/rules.v4
echo "All is well! press Enter to contine, press return key to read final message"
read key
clear
echo "Script available in description, ask your questions in comments"
exit 0