l.yimg.com (Yahoo!) over IPv6

Joshua Zukerman hawk82 at gmail.com
Tue Aug 20 14:45:39 CEST 2013

I too am/was having this problem. But I think the issue was/is on my side,
since I use an HE.net IPv6 tunnel & pfSense 2.1 beta on my home network.

Issue was explained to me there in some detail. I adjusted the MTU & MSS
and this seems to have resolved the issue.

On Mon, Aug 19, 2013 at 12:34 PM, Phil Pennock
<ipv6-ops+phil at spodhuis.org>wrote:

> How widespread is it for people here to be unable to retrieve resources
> from l.yimg.com over IPv6?
> My telnet connections to all resolved addresses succeed, but the actual
> resources being requested never come back.
> A self-referential example, here's someone asking about the problems
> trying to connect (they don't mention IPv6, nor did any other examples
> when I first checked a few days ago):
>   http://www.flickr.com/help/forum/en-us/72157624520612831/
> For me, that page will only load in a browser which has IPv6
> force-disabled.  Any other browser, it hangs, never displaying content,
> even after waiting for several minutes, which leads me to wonder if
> the Chrome and Firefox algorithms for Happy Eyeballs are not handling
> "connects, takes request, does not reply".
> Problems with hanging requests to this hostname seem to be common in
> search results; I only recall noticing problems starting towards the end
> of last week, but I'm not really much of a Yahoo! user, I just see pages
> via search results.
> Since it's ongoing, I figure it's worth a straw-poll here.
> -Phil
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