Question

Enable Http/2 on DO Managed Load Balancer

Posted January 7, 2021 449 views
NginxDigitalOcean Managed Load Balancers

Hi,

I’m setting up a droplet running a containerized nginx application, behind a DO Load Balancer. The SSL Termination is handled on the LB.

My goal is to have http/2 connection to the LB and then the communication is done over http with the server. However, my connection is still http/1.1. Am I missing something here? Does it needs something else? This is my first time doing this kind of setup, any guidelines are appreciated.
I’m using nginx/1.18.0.

Many Thanks,

Gabriel

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1 answer

Hi there @gabrielkodly,

HTTP/2 is supported on Managed Load Balancers. When setting up your forwarding rules, from the dropdown menu, you can select the protocol:

DigitalOcean Managed Loadbalancers HTTP2

Once you setup the forwarding rules, when hitting the Load balancer you should get the h2 header.

What is the output of the following command:

  • curl -IL https://your_lb

I’ve just tested this with a fresh new Load Balancer and it worked as expected:

HTTP/2 200
server: nginx/1.14.0 (Ubuntu)
content-type: text/html; charset=UTF-8
cache-control: no-cache, private
...

Regards,
Bobby