CA certificates
A CA is a certificate authority that signs a certificate.
The CA certificate page can be viewed in your system's sidebar:
![](../__attachments/2367160380/image-20230418-194218.png?inst-v=e4dc11f0-ab6d-46f1-b400-e39a2dbf1bba)
This is what the page looks like:
![](../__attachments/2367160380/image-20230418-194315.png?inst-v=e4dc11f0-ab6d-46f1-b400-e39a2dbf1bba)
Adding CA certificate(s) to this page prevents certificates not signed by those CA(s) from being added to devices. This doesn't affect self-signed or signed certificates already added to devices before the CA certificate(s) were uploaded.