> For the complete documentation index, see [llms.txt](https://dev7days.gitbook.io/dev7days/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dev7days.gitbook.io/dev7days/aws/elb-and-asg/load-balancer-ssl-and-sni.md).

# Load Balancer - SSL and SNI

The load balancer uses an `X.509` certificatie for SSL/TLS.  You can manage the certificate by using `ACM` (AWS Certificate Manager) or upload your own certificates.

### Server Name Indication (SNI)

It is the feature that support for multiple SSL in load balancer. Load balancer will download the certification to it before  doing SSL handshake. There are 2 type of ELB that support this feature including `ALB` and `NLB`

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