See Current Root CA Certificates

root ca certificates are used by brightsign operating systems in all components of the brightsign system you can see what certificates your player is using through the diagnostic web server (dws) docid\ qxt4yhey7iej m9dh73wm the steps below detail how to do this the local diagnostic web server (local dws or ldws) is disabled by default as of brightsignos 9 0 218 (on the 9 0 branch) and brightsignos 9 1 75 (on the 9 1 branch) in brightsignos versions prior to these, the local dws was enabled by default to enable the local dws, see access the local dws docid\ iafcherljfjdjtwttkpk5 note that some specially configured players have the external microsd card port and usb storage disabled at the factory (sku svc internal storage only) for these players, the dws remains on by default once the local dws has been enabled, it can be accessed through the local network by entering the player's ip address into the address bar of your web browser add “/ca certificates” to the end of your player ip address for example, 10 0 0 22/ca certificates where 10 0 0 22 is the player's ip address download (or “keep”) the file to your computer add an extension to the downloaded file (e g , ca certificates pem ) double click on the file to see the list