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Let's Encrypt CA not included in Ubuntu's CA bundle #2026
I can't connect with curl and wget to my server from Ubuntu after I installed the certificate issued by Let's Encrypt. Firefox and Opera do. I must turn off certificate validation to get them to connect. The reason is that Let's Encrypt CA not included in Ubuntu's CA bundle. This might be distribution dependent because other distributions could already have Let's Encrypt in their list of CAs.
According to both OSes the 3 packages are "
(I replaced the name of my server with example.com)
This means that we can't use Let's Encrypt for sites that serve APIs consumed by other backend programs, unless we ask them to manually add Let's Encrypt to their CAs bundle.
Details of the curl and wget errors:
The Let's Encrypt CA isn't supposed to be included in anybody's CA
The Let's Encrypt CA is signed by IdenTrust, which is trusted by
If you can get