Creating a blacklist – Cobalt Co9992-4ENC-4K-HEVC Software-Defined Broadcast Encoder User Manual
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Figure 15: Copying the CA Key to all devices
Creating a Blacklist
In some situations, it may be necessary to block a device that was previously authorized to
connect. The device presents valid credentials (i.e., a certificate signed by the trusted CA) but it
should not be allowed to connect anymore.
This can be done in the Blocked Device list in the
Authentication
tab in DashBoard, show in
Devices are identified by the
Common Name (CN)
field in the certificate tied to the RSA or
ECDSA keys. The Common Name is set as follows:
KEY
Secret
CA CERTIFICATE
Public
Cobalt Device selected as CA
Backup
KEY
Secret
CA CERTIFICATE
Public
Device
KEY
Secret
CA CERTIFICATE
Public
Device
Figure 16: Blocked Device List
Up to 8 devices not allowed to connect
Devices identified by Common Name