RFR: 8342807: Update links in java.base to use https:// [v3]

[Joachim Kern]

On Mon, 20 Jan 2025 17:01:10 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

> > > The problem is, that such IBM links do not work very long. In one or a view years this link again might point to nirvana.
> > 
> > 
> > Should we remove it instead then?
> 
> I would be OK with just dropping the link.

I would keep the link, because currently it is good, but be aware to fix it again in one of the next jdk versions. Maybe you can copy the essentials of the IBM page regarding ephemeral ports as comment to `PortConfig.java` with the link as citation mark.

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PR Comment: https://git.openjdk.org/jdk/pull/21633#issuecomment-2603299795