Help thread for DST Root CA X3 expiration (September 2021)

11 posts were split to a new topic: Choice of default long chain vs short chain

A post was merged into an existing topic: Another R3 problem

4 posts were split to a new topic: Connection Errors on Apple Devices

A post was split to a new topic: How can I get important updates like the DST Expiry in the future

10 posts were split to a new topic: Fixing Windows installs that don't receive updates to their trusted roots

3 posts were merged into an existing topic: Fixing Windows installs that don't receive updates to their trusted roots

3 posts were split to a new topic: Fixing validation from CentOS instances

A post was merged into an existing topic: How can I get important updates like the DST Expiry in the future

A post was merged into an existing topic: Fixing Windows installs that don't receive updates to their trusted roots

A post was merged into an existing topic: Fixing Windows installs that don't receive updates to their trusted roots

A post was split to a new topic: AWS Lamba Ruby Runtime DST Root CA X3 Expired

2 posts were split to a new topic: Fixing validation on ubuntu 20.04 from my Xamarin app using restsharp

A post was merged into an existing topic: Fixing validation from CentOS instances

A post was split to a new topic: Gitlab - server certificate verification failed

21 posts were split to a new topic: Adding ISRG Root X1 on Windows

2 posts were split to a new topic: Debian8 impact question

10 posts were split to a new topic: Problem getting certificate re-issued; cPanel AutoSSL and rate limit

A post was split to a new topic: OS X 10.11 clients not connecting to site with Let's Encrypt certificates

A post was split to a new topic: Certbot 1.12+ which supports --preferred-chain in OS packages

2 posts were merged into an existing topic: Amazon AMIs failing to connect to backends; modifying ca-bundle