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<div class="">14 okt. 2016 kl. 12:38 skrev Kurt Jaeger &lt;<a href="mailto:ipv6-ops@c0mplx.org" class="">ipv6-ops@c0mplx.org</a>&gt;:</div>
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<div class="">Hi!<br class="">
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<blockquote type="cite" class="">I've discovered, several months ago already, that all the 1&amp;1 web sites
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with IPv6 support enabled are broken, because they filter PMTUD, so any <br class="">
residential customer with has a reduced MTU because PPP or any other <br class="">
encapsulation/tunnel, etc., is not reaching them.<br class="">
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Do you have an example of a website they host that I can test against?<br class="">
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<a href="http://www.corso-kino.de" class="">www.corso-kino.de</a><br class="">
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<div>Yes, it fails PTB test</div>
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<div><a href="https://ipv6alizer.se?address=http://www.corso-kino.de" class="">https://ipv6alizer.se?address=http://www.corso-kino.de</a></div>
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<div>/Tobbe</div>
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-- <br class="">
<a href="mailto:pi@opsec.eu" class="">pi@opsec.eu</a> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#43;49 171 3101372 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4 years to go !<br class="">
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