jayvdb added a subscriber: jayvdb. jayvdb added a comment.

are you experiencing this when using pywikibot-compat with Wikimedia wikis, or other wikis?

We've seen very similar problems with Wikimedia wikis, when the server had old certificates, and the problem was fixed by installing new root certificates.

Either way, there is a now a per-family flag in core to disable ssl verification, which avoids this problem. I do like the solution of allowing certificates to be attached to each family , however that is almost identical to disabling ssl verification, unless the certificates are properly maintained (i.e. checks against certificate revocation lists, etc)

TASK DETAIL https://phabricator.wikimedia.org/T98104

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To: jayvdb Cc: jayvdb, saper, Aklapper, pywikipedia-bugs