diff --git a/content/roadmaps/102-devops/content/104-setting-up-x/104-firewall.md b/content/roadmaps/102-devops/content/104-setting-up-x/104-firewall.md
index 11d129752..19396251c 100644
--- a/content/roadmaps/102-devops/content/104-setting-up-x/104-firewall.md
+++ b/content/roadmaps/102-devops/content/104-setting-up-x/104-firewall.md
@@ -4,4 +4,8 @@ Firewall is a **network security device** that monitors and filters incoming and
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.checkpoint.com/cyber-hub/network-security/what-is-firewall/'>What is Firewall?</BadgeLink>
-<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.cisco.com/c/en_in/products/security/firewalls/what-is-a-firewall.html'>Types of Firewall</BadgeLink>
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+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.cisco.com/c/en_in/products/security/firewalls/what-is-a-firewall.html'>Types of Firewall</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/introduction-of-firewall-in-computer-network/'> Introduction of Firewall in Computer Network</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/introduction-of-firewall-in-computer-network/'> What is Firewall in Computer Network?</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.tutorialspoint.com/what-is-a-firewall-and-why-do-you-need-one'>Why do we need Firewalls?</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Watch' href='https://www.youtube.com/watch?v=9GZlVOafYTg'> Firewalls and Network Security - SimpliLearn</BadgeLink>