Question

how to upgrade spdy/2 to spdy/3 on LEMP Ubuntu 14.04?

I get the following warning message when I use the spdy-test tool at https://spdycheck.org

**Out-of-Date SPDY Protocol Support**
The most recent version of SPDY is spdy/3. The highest version this website supports is spdy/2. There are 3 major versions of SPDY. This website should consider updating its software if possible to support spdy/3.

I read that nginx & openssl should be updated to the latest version to automatically use spdy/3.

I did all upgrades available through digitalocean but especially openssl seems way outdated:

nginx: nginx/1.4.6 (Ubuntu) openssl: OpenSSL 1.0.1f 6 Jan 2014

Maybe there’s a mirror outside of DO I should use?

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SPDY/3 support in was added in 1.5.10. because you’re running 1.4.6 you won’t have it. I use Chris Lea’s nginx mainline PPA for my servers and because it’s mainline version and constantly being updated (about 1-2 days behind official nginx release), you can have access to the latest features (including SPDY/3!). Current version is 1.9.3 and can be found at: https://launchpad.net/~chris-lea/+archive/ubuntu/nginx-devel