Just some debugging ideas:

Then it stopped working

What changed? I guarantee you something changed. New version of Perl, update of the module or a related module, OS updates, ...?

You can step through the code with the debugger.

In reply to Re: How to debug failure in HTTP::Daemon::SSL->new() by Anonymous Monk
in thread How to debug failure in HTTP::Daemon::SSL->new() by jonadab

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