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IPv6 Implementation Update

Discussion in 'cPanel Announcements' started by cPanelDavidG, Mar 2, 2011.

  1. cPanelDavidG

    cPanelDavidG Technical Product Specialist

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    State of IPv6 in cPanel & WHM

    IPv4 IP allocation depletion is somewhat analogous to Y2K. The solution is essentially the same, except instead of going from 2 to 4 decimal digits in a year, we're going from 32 to 128 binary digits in IP addresses while still supporting the old system. cPanel & WHM will continue to support IPv4 for the foreseeable future by means of a "dual-stack implementation" which includes support for IPv6 addresses while still accommodating IPv4 addresses.

    Much like Y2K, this issue requires a proactive solution rather than a reactive response. That is why cPanel has been working diligently to implement IPv6 support into our products since version 11.25. For cPanel & WHM, the back-end changes required to facilitate proper IPv6 management are nearly complete. We still have some work remaining with the services and graphical interfaces required to accommodate these changes, but we are exceptionally confident that most of these changes will be implemented before the end of the 2011 calendar year.

    In the next few versions of cPanel & WHM, you may notice some changes in the interface as these back-end modifications become more visible in cPanel & WHM. Server administrators will begin seeing some IPv6 functionality appear in the graphical interfaces of version 11.32 and become more evident throughout future versions of cPanel & WHM. Our goal is to complete IPv6 support by version 11.36 of cPanel & WHM.

    As some of you may already know, IPv6 is much more than just a change in the addressing scheme. However, given the urgency of supporting IPv6 addressing, we will first focus on allowing you to manage manually assigned IPv6 addresses at least as well as you can currently manage IPv4 addresses in cPanel & WHM. We also look forward to supporting IPv6 addresses on both NSD and BIND (for DNS functionality), Apache (for website functionality), cPanel & WHM and its related services, and the various mail services we support. Additional services will be made IPv6-capable as deemed fit.

    cPanel remains committed to IPv6 support, so we have created this short URL you can use at any time that will redirect you to the latest information about IPv6 support in cPanel & WHM. Bookmark the following address so you can always view the latest information about the progress of IPv6 in cPanel & WHM:

    cPanel & WHM IPv6 Information

    BUT WAIT, THERE'S MORE!

    Unlike Y2K, this is not simply a matter of fixing software. While your workstation likely supports IPv6 and cPanel-powered hosting providers will have software that supports IPv6, everything between your computer and the server running cPanel & WHM needs to support IPv6 as well. This means that your Internet provider, your cPanel & WHM server's data center, and all the servers and routers in between must support IPv6. Otherwise, for you, IPv6 essentially does not exist.

    To see if your Internet connection currently has an IPv6 address, visit:

    Test your IPv6 Connectivity

    Data centers around the world hope to explore and resolve IPv6 compatibility issues among their networks as part of World IPv6 Day on June 8, 2011. The Internet Society coordinates this event and you can learn more about it at:

    World IPv6 Day Information

    In the meantime, if you run a data center, you may find it beneficial to check your firewalls and other network infrastructure to ensure that they are as robust with IPv6 as they are with IPv4. There have been several industry reports of network hardware malfunctions with IPv6, such as firewalls improperly filtering IPv6 traffic. Please take the time to ensure that your network infrastructure can reliably support IPv6-capable versions of cPanel & WHM.

    Lastly, you can join cPanel community members for IPv6-related discussions here:

    cPanel & WHM IPv6 Discussion



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