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open port to multiple IP's

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I am looking to open a port to a EC2 Instance from multiple ip's. Rather than creating a rule for each IP address is there any other options. I have tried creating a prefix list and added a list of IP's there but when i try apply prefix list in the secuurity group i get an error The maximum number of rules per security group has been reached.

1 Answers
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May be you've reached the rules limit per Security Group? If so, you can request limit increase through AWS support case.

answered 4 days ago
  • no, i have an existing instance with a security group that has 30+ rules ...the new instance has a only 5 rules and the prefix list has only 10 IP's listed...don't understand why you cant add a port and comma separate the ip's in one rule

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