On Tue, 11 Apr 2006 23:20:42 +0100
Daniel Drake <[email protected]> wrote:
> John Heffner wrote:
> > This is almost certainly due to a buggy firewall that doesn't understand
> > TCP window scaling. I've usually seen this in the past with OpenBSD
> > firewalls. Do you have one of these in your path?
>
> At home I'm behind a Linux gateway box currently running 2.6.15-rc6 - I
> am connected through ethernet to that.
>
> At my student house I am connected wirelessly to a Linksys WRT54Gv5
> router (the model that doesnt run Linux).
>
> I have reproduced it at both those locations (same ISP).
>
> This is very familiar, and I just found the article I was thinking of:
> http://lwn.net/Articles/92727/
>
> I was also hit by that bug, on the same collection of websites, but that
> particular problem was fixed for 2.6.8 or so. So I guess it is extremely
> likely that my ISP has broken routers. nmap isn't able to identify the
> OS of any ISP routers in my path.
We never fixed it, its kind of hard to fix other peoples equipment ;-)
>
> It's a huge ISP over here, so contacting them over technical matters is
> not easy...
>
> Thanks,
> Daniel
>
Turn off TCP window scaling, your performance will be limited but about
as good as you can get with a corrupting firewall in between.
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