TLS 1.2 Doesn't Work for Websites but works for Plesk Panel 12

[Mr Fett]

Hi all,

I recently enabled TLS 1.1 and TLS 1.2 on my Server 2008 R2 web server (running Plesk 12) and disabled SSL 2.0 and SSL 3.0. Unfortuantely, while Plesk Panel started connecting with TLS1.2 straight away, none of my guest websites would connect (they simply timed out).

Any ideas?

Bob

 

[Frank.P]

I use this software : https://www.nartac.com/Products/IISCrypto

http://www.bauer-power.net/2014/06/how-to-enabled-tls-11-and-tls-12-in.html#.Vnae6LbhBko

If any guest not connect need to update the browsers. My OS is Windows XP and a lot of website with https not show, I update to last version and now work. When Internet explorer not work, Chrome work.

 

[Bob McKay]

Hi Javier,

That's the problem - using the *same* browser Plesk works but the websites do not. Its as thought TLS 1.2 is only being served for the Plesk portal.

 

[Frank.P]

Try only disabled TLS 1.2 using IISCrypto , restart system and check. If that work you can confirm the encryption is the problem, if not work this isn't the problem.

If problem is the encryption click on default or change/update your certificate