How to trust Puma-dev CA certificate in Firefox

Firefox doesn’t use system certificates, so we need to import the certificate manually.

How to import the certificate manually

Preferences > Advanced > Certificates mini-tab > “View Certificates” button > Authorities mini-tab > “Import” button > cert.pem

Source: https://support.mozilla.org/en-US/questions/1068675

Alternative way

about:config > security.enterprise_roots.enabled = true

Source: https://support.mozilla.org/en-US/questions/1175296

macOS

It’s possible to drag and drop certificates from Finder to Keychain Access.

Share

Thanks for reading. If you liked it, consider sharing it with friends via:

https://www.damianwajer.com/blog/how-to-trust-ca-certificate/

Let's be in touch!

Don't miss other useful posts. Level up your skills with useful UX, web development, and productivity tips via e-mail.

Don't you want to subscribe via e-mail?

See other ways to keep in touch.