HTTPS “connection not private/secure” – what it is?

Syncplify.me Server! version: 4.0.0+

After installing Syncplify.me Server! v4.0 you will be able to manage it securely via web interface over HTTPS.

Now, a very common choice is to use a self-signed certificate, because it saves money and if you know what you’re doing it doesn’t compromise security. This is, in fact, the most common choice among our users (according to our surveys).

But if you use a self-signed certificate, your browser will warn you that your connection may not be private or secure. That’s because self-signed certificates are often used for man-in-the-middle (MitM) attacks. But this is not the case, of course, if you can verify that this particular self-signed certificate was created by you and for you.

To get rid of this annoying message, you basically have 2 options:

  1. Spend some money to buy a trusted X.509 (SSL/TLS) certificate from a Certification Authority like DigiCert, Comodo, Thawte, and the like. It goes without saying that this is the recommended choice, as it takes advantage of the inherent trust chain provided by the Certification Authority.
  2. Verify and accept the self-signed certificate you have just created and add it to the trusted keychain of your browser. In this case you are advised to always verify the certificate’s fingerprint to make sure it’s really the one you created yourself, and that you’re not a victim of a Man-in-the-Middle (MitM) attack.

If you have chosen option #2, here’s how you do it in Chrome:

chromecertexcept

This is how you do it in Firefox:

mozillacertexcept

And this is how you do it in Microsoft Edge (Internet Explorer behaves similar to this):

edgecertexcept

Once you do that, you will be able to securely access Syncplify.me Server!’s web management interface

edgesuccesslogin

We purposely don’t show any screenshot taken with Internet Explorer, as its JavaScript support (depending on the browser version) is generally too buggy, and we do not recommend its use in conjunction with our software.

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