Overview

TLS and its precursor, Secure Sockets Layer (SSL), are cryptographic protocols that offer secure Internet connections for activities including web surfing, email, faxing, instant messaging, and other data transfers.

View the following article for a summary of why you should add an SSL certificate to your site:

Overview of SSL certificates

Which versions of TLS are available at DreamHost?

TLS 1.2 and 1.3 are supported on GreggHost servers running Ubuntu Bionic or Debian Buster. Check out the article below to see what operating system your server is running.

Check your server’s operating system version
Check your server’s operating system version

TLS 1.2

TLS 1.2 is only supported by older private servers (VPS) running Debian Stretch. Check out the article below to see what operating system your server is running.

Check your server’s operating system version

TLS 1.1

GreggHost’s web servers do longer support TLS 1.0 as of January 29th, 2018. You won’t be able to view websites hosted at GreggHost using HTTPS if you’re still using a browser that can only connect using TLS 1.0. This includes any website that uses an SSL certificate.

Check your browser’s TLS support in the area below to see if it’s compatible with versions 1.2 and higher.

Testing your website’s support

You can test the TLS version on the following sites if your website has an SSL certificate:

SSL Server Evaluation (SSL Labs)
TLS 1.2 compatibility test for WordPress

Checking browser TLS support

View the following link to see which versions of TLS your web browser supports:

Browser TLS test
Versions of browsers that don’t support TLS 1.1 or 1.2
Edge 21 and lower Chrome
All variants are acceptable.
Internet Explorer 10 and below Firefox 26 and lower
Safari versions 6 and lower