Enhancing Your AWS VPC with Subnets and Network ACLs ????
Rohan Patil
Pursuing Master’s in Business Management |Ex-Amazon| Ex-Oberoi| Data and Cloud (AWS) enthusiast
Hey LinkedIn fam! ??
Continuing with my "Learning in Public" journey on AWS Cloud, today I’m exploring how to optimize your AWS Virtual Private Cloud (VPC) with subnets and Network Access Control Lists (ACLs). Here’s what I discovered:
Subnets:
A subnet is a section of a VPC where you can group resources based on security or operational needs:
- Public Subnets: Contain resources accessible by the public, like an online store’s website.
- Private Subnets: Contain resources accessible only through your private network, like a customer database.
Subnets within a VPC can communicate with each other. For example, Amazon EC2 instances in a public subnet can interact with databases in a private subnet, ensuring smooth operations for your applications. ??
Network Access Control Lists (ACLs):
When data is requested from an application hosted in the AWS Cloud, it is sent as a packet. A packet is a unit of data sent over a network.
- Internet Gateway: Allows the packet to enter the VPC.
- Network ACLs: Check packet permissions before allowing entry or exit from a subnet, ensuring secure and authorized communication.
Key Benefits:
- Enhanced Security: Segment your network for better protection.
- Operational Efficiency: Group resources based on their access needs.
- Secure Data Communication: ACLs ensure only authorized data transfers.
Your feedback and experiences are invaluable! Share your thoughts below, and let’s continue learning together. ??
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