Do you know you can restrict the user or group of IAM users to access AWS services to be accessed with a single policy.

In this quick tutorial you will learn how to Access AWS EC2 instance on Specific Dates using IAM Policy

Lets get started.

Prerequisites

• AWS account
• Permissions to create IAM Policy

Creating IAM Policy to Access AWS EC2 instance on Specific Dates

Lets describe the below IAM Policy in the AWS Cloud.

• Version is Policy version which is fixed.
• Effect is Allow in statement as we want to allow users or group be able to Describe AWS EC2 instance.
• Resources are * wild character as we want action to be allowed for all AWS EC2 instances.
• This policy allows users or groups to describe instance within specific dates using DateGreaterthan and DateLessThan attributes within the Condition.

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            
            "Action": "ec2:DescribeInstances",
            "Resource": "*",
            "Condition": {
                "DateGreaterThan": {"aws:CurrentTime": "2023-03-11T00:00:00Z"},
                "DateLessThan": {"aws:CurrentTime": "2020-06-30T23:59:59Z"}
            }
        }
    ]
}

Conclusion

This tutorial demonstrated that if you need to create a IAM Policy to Deny AWS Resources outside AWS Regions.