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About HTTPS certificates and trust
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TrK Offline
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Posts: 11
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Post: #1
About HTTPS certificates and trust
Our provisioning web server have Rapid SSL RSA wildcard certificate, which is trusted by default Yealink phone. Our DHCP server send OPTION 43 with https link. Everything is working good - we unbox new phone, connect it to network and viola, not need to logon on phone`s web interface.

But our RSA certificate will be expired soon. We decide to switch to Let`sEncrypt ECC certificate. As i can see, Yealink phones by default have root LE cert "DST Root CA X3", but not have intermediate "Lets Encrypt Authority X3".

What should i do with that? Set security.trust_certificates = 0? Add this Intermediate CA certificate to Trusted?
But how new phones will get this settings without access to provisioning web server?

And another related question, about format of
What is solution when i need to add two (or three, or four) root certificate to Trusted? Should i add all to one file, like in chainfile? But this certs are from different CA.
(This post was last modified: 05-24-2018 08:53 AM by TrK.)
05-24-2018 08:41 AM
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About HTTPS certificates and trust - TrK - 05-24-2018 08:41 AM

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