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Question
In AWS, if you want multiple EC2 instances to share the same directory subtree, you can create an EFS file system and then mount that files system from each EC2 instances. But you also have to configure a Security Group rule for the EFS file system that allows incoming traffic on the [...] port.
Answer

NFS

^^ NFS port is 2049, but you don't have to memorize this as it is provided for you when you add the SG rule for the EFS filesystem
^^^ the source that you add for the SG rule is the SG of the EC2 instances (because you only want the EC2 instances to be able to access the EFS filesystem, not all the world!)


Question
In AWS, if you want multiple EC2 instances to share the same directory subtree, you can create an EFS file system and then mount that files system from each EC2 instances. But you also have to configure a Security Group rule for the EFS file system that allows incoming traffic on the [...] port.
Answer
?

Question
In AWS, if you want multiple EC2 instances to share the same directory subtree, you can create an EFS file system and then mount that files system from each EC2 instances. But you also have to configure a Security Group rule for the EFS file system that allows incoming traffic on the [...] port.
Answer

NFS

^^ NFS port is 2049, but you don't have to memorize this as it is provided for you when you add the SG rule for the EFS filesystem
^^^ the source that you add for the SG rule is the SG of the EC2 instances (because you only want the EC2 instances to be able to access the EFS filesystem, not all the world!)


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