Why is allowing NFS in security group rules important in a cloud configuration?

Question

Srini A · Accepted Answer

Because without it, your client like (EC2 instance) can't talk to your EFS at all.Amazon EFS uses the NFSv4 protocol, which runs over TCP port 2049. When you mount an EFS file system from an EC2 instance, it connects via this port. If you security group doesn't allow inbound traffic on port 2049 from the EC2 instance(or it's security group), the connection gets blocked=no mount.

Mahesh B · Answer

Configuring NFS access in security groups is essential for maintaining security, performance, and compliance in a cloud environment

Why is allowing NFS in security group rules important in a cloud configuration?

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