[TriLUG] MS Web Host drops connecions from Linux clients

Brian Phelps brphelps at ieee.org
Tue Nov 3 15:55:43 EST 2009


On Tue, Nov 3, 2009 at 3:50 PM, JSEvans <jsevans at mises.com> wrote:

> If you really think that the site is prefering connections  from windows
> boxes why not make your ff say that it is a a windows box. There used to be
> addons for ff that would cause it to report that it is ie6 or ie7 for
> windows. Don't know if there are any of those anymore but it woulld be worth
> a shot.
>
Please read the above, its not the User Agent, but a low-level protocol bug
involving TCP.

> ----- Original message -----
> A vendor of mine hosts a web site that basically drops or times out
> connections from any Linux machine I have tried:
> http://www.keydigital.com
>
> From linux the site seems really slow.  The site is quick if you try it
> from
> an MS machine w/ FF.
>
> I have tried using FF w/ no scripting on, same problem.
>
> It even does this using curl from any of my Debian or Ubuntu machines and
> even on a Redhat server I manage.
>
> The vendor Web Admin blames my machine and says I am the only one with this
> problem and that I need to upgrade my browser to the latest version of
> Internet Explorer.  I've been trying to resolve this issue with them for
> nearly three weeks now.
>
> BTW: This problem does not occur on a Mac w/ FF.
>
> Anyone here know what the reason that this dropout is happening?  My guess
> is it is some DDoS defense setting in their firewall/server configuration.
> It seems to be TCP related, not HTML, scripting, or Flash etc.
>
> -Brian
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