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Phones no longer support Let Encrypt
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johnbeaumont Offline
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Joined: Sep 2020
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Post: #1
Phones no longer support Let Encrypt
We have a large number of customers with varying models of phones and firmwares (up to 86) using our LDAP servers and start TLS. These servers use Let's Encrypt certificates.

On October the first we had multiple complaints of phones (at the moment we presume all), failing to connect via TLS. The problem is listed by Let's Encrypt here:


If I look in my own T46S phones CA certs I can see it has expired:
DST Root CA X3 DST Root CA X3 Sep 30 14:01:15 2021..

Are they any plans for a firmware update to fix this?
10-03-2021 11:41 PM
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Phones no longer support Let Encrypt - johnbeaumont - 10-03-2021 11:41 PM

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