Symptoms
Unable to open https link in a browser. The web page does not open with the following error:
ERR_SPDY_INADEQUATE_TRANSPORT_SECURITY
Cause
Bug with ID #PPPM-5705. Will be fixed in future releases.
Resolution
As a workaround update nginx configuration by running the following command:
plesk sbin sslmng --services=nginx --custom --ciphers='EECDH+AESGCM+AES128:EECDH+AESGCM+AES256:EDH+AESGCM+AES128:EDH+AESGCM+AES256:EECDH+SHA256+AES128:EECDH+SHA384+AES256:EDH+SHA256+AES128:EDH+SHA256+AES256:EECDH+SHA1+AES128:EECDH+SHA1+AES256:EDH+SHA1+AES128:EDH+SHA1+AES256:EECDH+HIGH:EDH+HIGH:AESGCM+AES128:AESGCM+AES256:SHA256+AES128:SHA256+AES256:SHA1+AES128:SHA1+AES256:HIGH:!aNULL:'