[AusNOG] cPanel IPv6 = Overhauled

[Mark Smith]

On Thu, 22 May 2025, 10:46 Luke Thompson, <luke.t at tnc.works> wrote:

> G'day,
>
> After meetings, back-and-forth and testing spanning over half a year,
> we're glad to report that true IPv6 support has arrived in cPanel+WHM!
>
> https://blog.apnic.net/2025/05/21/cpanels-ipv6-overhaul/
>
> There's no longer the need for there to be a "server prefix" and a
> separate "range prefix", they can now be nested, enabling true SNI.
>
> Further, when enabling for sites, you can either use SNI via the
> server's shared v6 addy, or issue a /128 from said prefix.
>


An observation.

SNI is a solution to be able to hosting multiple different websites on the
same IPv4 address.

This was needed because there weren't enough IPv4 addresses available
anymore to give each individual website its own IPv4 address.

What's the main problem IPv6 solves? ...





> Ultimately this allows for far cleaner dual-stack deployments for the
> Hosting world, with no messy workarounds!
>
> This is now available on all release tiers, as v126 has been promoted to
> LTS you can get going with v6 now.
>
> Many thanks to APNIC, WebPros and Global Secure Layer for your
> assistance throughout these works.
>
> Cheers,
>
> Luke Thompson, CTO
> The Network Crew P/L
>
> E: luke.t at tnc.works
> https://tnc.works
>
>
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>
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