If your box is running IPv4 and not IPv6 and you then attempt to connect from it over IPv6, that is when you see errors like "Network is unreachable". That and the fact that www.apache.org has an IPv6 address (as well as IPv4) suggests that this could be a possible cause of the test failure.

In reply to Re^3: CPAN: Cannont install LWP::Protocol::https::Socket by hippo
in thread CPAN: Cannont install LWP::Protocol::https::Socket by WorkerBee

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