Question

What should the permissions of a key pair (.pem file) be before connecting to an EC2 instance?

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a) 777

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b) 600

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c_) None of these answers is correct

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d) 400

Answer 1

d) 400

The key pair .pem file should be 400 before connecting to an EC2 instance. This is the AWS recommended octal permissions for a .pem file. Video for reference: Connecting to an EC2 Instance from Windows Video for reference: Connecting to an EC2 Instance from Terminal (Not Windows)