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How to add SSL certificate to AWS EC2 with the help of new AWS Certificate Manager service

AWS has come up with a new service AWS Certificate Manager. One thing I got from the description is that if we are using this service we don't have to pay for the certificate anymore.

They are providing certificates for Elastic Load Balancer (ELB) and CloudFront, but I didn't find EC2 anywhere.

Is there any way to use the certificate with EC2?

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Bhavik Joshi Avatar asked Jan 22 '16 11:01

Bhavik Joshi


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How do I add a certificate to my EC2 instance?

On the Listeners tab, click on Edit and then select Add and for the protocol choose HTTPS. Under the SSL certificate option, click on Change and from the Certificate type list choose the Upload a new SSL certificate to AWS Identity and Access Management (IAM) option.

How do I update my AWS SSL certificate?

To replace the SSL certificate for an HTTPS load balancerOpen the Amazon EC2 console at https://console.aws.amazon.com/ec2/ . On the navigation pane, under LOAD BALANCING, choose Load Balancers. Select your load balancer. On the Listeners tab, for SSL Certificate, choose Change.

Why do you need an SSL certificate on AWS EC2 instance?

Such instances can be accessed by HTTP or HTTPS APIs, and that is why you need to install an SSL certificate on the AWS EC2 instance. It will enable secure access to instances and prevent your cloud-based operations from being exposed to cyber threats.

How do I install an SSL/TLS certificate on EC2?

There are three steps to install an SSL/TLS certificate on your EC2 Windows instance: Create a Certificate Signing Request (CSR) and request your SSL certificate. Install your SSL certificate. Assign the SSL certificate to your IIS deployment.

Can I export an AWS Certificate Manager (ACM) certificate to EC2?

I want to configure AWS Certificate Manager (ACM) certificates for my website hosted on an Amazon Elastic Compute Cloud (Amazon EC2) instance. You can't export an Amazon Issued ACM public certificate for use on an EC2 instance because ACM manages the private key. For more information, see ACM private key security.

How do I add a certificate to my AWS load balancer?

Follow the steps below to upload the certificate to your AWS account: Click on Services > Compute > EC2 > Load Balancers to select your load balancer from the navigation pane. On the Listeners tab, click on Edit and then select Add and for the protocol choose HTTPS.


1 Answers

Q: Can I use certificates on Amazon EC2 instances or on my own servers?

No. At this time, certificates provided by ACM can only be used with specific AWS services.


Q: With which AWS services can I use certificates provided by ACM?

You can use ACM with the following AWS services:

• Elastic Load Balancing

• Amazon CloudFront

• AWS Elastic Beanstalk

• Amazon API Gateway

https://aws.amazon.com/certificate-manager/faqs/

You can't install the certificates created by Amazon Certificate Manager (ACM) on resources you have direct low-level access to, like EC2 or servers outside of AWS, because you aren't provided with access to the private keys. These certs can only be deployed on resources managed by the AWS infrastructure -- ELB and CloudFront -- because the AWS infrastructure holds the only copies of the private keys for the certificates that it generates, and maintains them under tight security with auditable internal access controls.

You'd have to have your EC2 machines listening behind CloudFront or ELB (or both, cascaded, would also work) in order to use these certs for content coming from EC2... because you can't install these certs directly on EC2 machines.

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Michael - sqlbot Avatar answered Sep 29 '22 00:09

Michael - sqlbot