[pydotorg-www] Fwd: XS4ALL strict IPv6 filtering

Michael Foord michael at voidspace.org.uk
Tue Aug 30 15:28:00 CEST 2011

Begin forwarded message:
> From: Mark Mahle <mm at VR.ORG>
> Subject: XS4ALL strict IPv6 filtering 
> Date: 30 August 2011 13:19:54 GMT+01:00
> To: noc at xs4all.nl
> Cc: peering at xs4all.nl, Owen Delong <owen at delong.com>, webmaster at python.org, gert at Space.Net, dang at goscomb.net
> Hello XS4All Noc,
> We are Host Virtual, a cloud provider that provides dual-stack IPv4+IPv6 services worldwide in 10 locations via AS36236 and AS42210.
> It has come to our attention that customers in any of our three EU locations, using our RIPE assigned ip space (2a00:dd80::/32) are unable to access the XS4all network, including sites such as www.python.org. We announce at a minimum, a /48 from each location as per generally accepted standards for IPv6 routability.
> In previous communication with our peers, we've learned that XS4ALL filters its IPv6 traffic based on the strict case at http://www.space.net/~gert/RIPE/ipv6-filters.html published by Gert Döring. 
> While we understand and appreciate there has been much discussion on the topic we feel this type of strict filtering, based on rules published and not updated over 3 years ago are now negatively impacting both XS4ALL's own customers, and the end users of high profile sites such as www.python.org.
> Being a supporter of many open source projects ourselves, and a strong supporter of moving IPv6 forward we appeal to you to review this policy. With IPv6 adoption now accelerating it's in all of our best interests to ensure IPv6 routability.
> I appreciate your attention and review of this policy and have included relevant parties on the CC.
> Thanks
> Mark
> --
> Mark Mahle
> +1-877-HOSTED7 x201 :: http://www.hostvirtual.com


May you do good and not evil
May you find forgiveness for yourself and forgive others
May you share freely, never taking more than you give.
-- the sqlite blessing http://www.sqlite.org/different.html

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