On 12 sept. 2022 18:57, Grzegorz Szymaszek <gszymaszek@???> wrote:
> Hi,
Hi,
> ca-certificates in stretch and ascii is quite old and includes the
> expired DST Root CA X3 certificate, which might be used to validate some
> (all?) certificates from Let's Encrypt, including deb-multimedia.org.
> Try disabling that certificate: see update-ca-certificates(8) and/or
> <https://serverfault.com/a/1079226>.