1 s:C = US, O = Let's Encrypt, CN = R3. i:O = Digital Signature Trust Co., CN = DST Root CA X3. The intermediate send (nr "1" above) has been deprecated for a long time now and has expired. So either your fullchain.pem is incorrect for some reason or your emby server isn't picking up the pfx in the correct way. 2 Likes.. Let's Encrypt is a free, automated, and open certificate authority brought to you by the nonprofit Internet Security Research Group (ISRG).Read all about our nonprofit work this year in our 2023 Annual Report.. 548 Market St, PMB 77519, San Francisco, CA 94104-5401, USA. Send all mail or inquiries to:

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Bruce5051 December 9, 2022, 4:23pm 2. Yes R3 is still valid, however DST Root CA X3 is expired. See Chain of Trust - Let's Encrypt. 2 Likes. rg305 December 9, 2022, 6:50pm 3. mltiede: my router Threat Prevention complains.. The server is backed by reverse proxy (nginx). I used letsencrypt-powered certificate in order to make it accessible via HTTPS. It works fine via web interface (not excluding Safari in iOS 15), but fails in iOS app: Although, this app seems to accept certificate of https://bitwarden.com.