Afterglowscreensavers

What Port 6379 Means Screensaver

The What Port 6379 Means screensaver shows iANA's service-name and port-number registry, gathered by the pipeline. Rows covering port ranges rather than single ports, and those marked reserved or unassigned, are dropped — there are thousands and they are scaffolding, not assignments. It's free, runs in your browser, and ESC exits.

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Press ESC to leave fullscreen. Settings are saved in your browser only.

How the What Port 6379 Means screensaver works

The saver reads the source described above and draws it on a canvas — no account, no tracking.

IANA's service-name and port-number registry, gathered by the pipeline. Rows covering port ranges rather than single ports, and those marked reserved or unassigned, are dropped — there are thousands and they are scaffolding, not assignments.

It refreshes on a schedule, so what you see stays current.

Colours and any options can be changed in settings; nothing is stored beyond your own browser.

A worked example

IANA's service-name and port-number registry, gathered by the pipeline. Rows covering port ranges rather than single ports, and those marked reserved or unassigned, are dropped — there are thousands and they are scaffolding, not assignments.

Settings & tips

Frequently asked questions

Is this real data?
Yes — it comes from the source named on this page and is refreshed on a schedule.
Is a key needed?
No. This source is fully key-less.
Is it free?
Yes, and it runs entirely in your browser.

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