From Media Sequencer version 5.5, it is possible to configure it to use a secure communication over HTTPS when communicating with clients, including Viz Multiplay. If Media Sequencer is configured to use HTTPS, Viz Multiplay is accessible on this URL: https://mse-host:8543/app/vizmultiplay/vizmultiplay.html.

All URLs in the Servers tab must also use the HTTPS protocol when communicating. The default URL's for the HTTP and HTTPS variants are:

Service 

HTTP

HTTPS

Preview Server

http://ps-host:21098

https://ps-host:4443

Viz One

http://vizone-host:80/thirdparty

https://vizone-host:443/thirdparty

Pilot Data Server

http://pds-host:8177

https://pds-host:7373 (PDS has no default HTTPS port, but 7373 is a commonly used port.)

Media Service

http://ms-host:21099/api/service

https://ms-host:21443/api/service

Graphic Hub

http://gh-rest-host:19398

https://gh-rest-host:19398

Graphic Hub Image Library

http://gh-rest-host:19390/restvos/service

Not supported

Authentication

When Viz Multiplay is connecting to the various services over HTTP or HTTPS, some of them may require you to authenticate with credentials. Viz Multiplay is not handling this explicitly, but delegates to the web browser to authenticate. This means that a browser popup (outside Viz Multiplay's control) pops up whenever the browser needs credentials to contact the servers.  

Unfortunately, Viz Multiplay has little control over the text in these native browser popups, so you need to identify the server asking for credentials by looking at the host name or port, for instance for Graphic Hub, this service is usually running on port 19398: