in reply to missing package for web service via https?

At a guess, you're missing LWP, which contains that package (LWP::Protocol::https::Socket). Install the bundle with:

 perl -MCPAN -e 'install Bundle::LWP'

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The intelligent reader will judge for himself. Without examining the facts fully and fairly, there is no way of knowing whether vox populi is really vox dei, or merely vox asinorum. — Cyrus H. Gordon

In Section Seekers of Perl Wisdom