![]() ![]() ![]() For access to a DNS server you would typically open UDP and maybe TCP 53 outbound and ephemeral ports inbound. ![]() Note: ensure to redact or obfuscate all confidential or identifying information (eg. For HTTP and HTTPS, you would open TCP 80 and 443 inbound and ephemeral ports outbound. News, articles and tools covering Amazon Web Services (AWS), including S3, EC2, SQS, RDS, DynamoDB, IAM, CloudFormation, AWS-CDK, Route 53, CloudFront, Lambda, VPC, Cloudwatch, Glacier and more. In practice, to cover the different types of clients that might initiate traffic to public-facing instances in your VPC, you can open ephemeral ports 1024-65535. ![]()
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