Understanding Security Group and Network Access Control List (NACL) in AWS

AWS provides robust security measures to protect resources within its cloud infrastructure. Two fundamental components of AWS security are Security Groups and Network Access Control Lists (NACLs). While both serve similar purposes – controlling traffic to and from AWS resources – they operate at different layers of the network stack and offer distinct features.

Security Groups

Security Groups act as virtual firewalls for EC2 instances and other AWS resources. They regulate inbound and outbound traffic by defining rules that specify …

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