[TriLUG] MS Web Host drops connecions from Linux clients

[Brian Phelps]

Just got a response from the admin:

Please let him know he is wrong.  His contact info is below.

> We spent today's all day troubleshooting our network, firewall and servers
> configuration. We did couple of testing from outside, even from outside
the
> US, some of the computers we tested from are Linux. ALL THE TESTS WERE
> SUCCESSFUL.
> I think the issue is from your side.
>
> Thank you
>
> Abdel Boujoual
>
>
> Phone    : 914-667-9700 ext. 245
> Fax          : 914-668-8666
> Email     : Abdel at keydigital.com
> Web        : http://www.keydigital.com

On Tue, Nov 3, 2009 at 3:56 PM, Brian Phelps <brphelps at ieee.org> wrote:

>
>
> On Tue, Nov 3, 2009 at 1:55 PM, Michael Kimsal <mgkimsal at gmail.com> wrote:
>
>> Poked my brother about this (up in Detroit - slow up there too).  His
>> random
>> notes include:
>>
>> http://support.microsoft.com/kb/932170
>> http://forums.whirlpool.net.au/forum-replies-archive.cfm/720119.html
>> one of the last comments: "Just wanted to give a status update for those
>> that might be interested.
>>
>> We are dealing directly with Microsoft regarding this issue and it has
>> been
>> escalated quite high in the support team.
>>
>> We have managed to duplicate the issue with Linux as well so the problem
>> is
>> not just related to Mac OS X. It also relates to any TCP transfer and not
>> just with SMB.
>>
>> Looking very much like a bug with Vista and hopefully in time there will
>> be
>> a hotfix for it."
>> http://en.wikipedia.org/wiki/Compound_TCP
>>
>> CTCP is enabled by default in computers running beta versions of Windows
>> Server 2008 and disabled by default in computers running Windows Vista.
>> CTCP
>> can be enabled with the command: netsh interface tcp set global
>> congestionprovider=ctcp   or disabled with the command: netsh interface
>> tcp
>> set global congestionprovider=none
>>
>> looks like there are a lot of known problems with vista/2008 and TCP
>>
>> even pingdom says it takes 3.3 sec to load a 3.8 kb file and 0.6 seconds
>> to
>> transfer a 3.6 kb file
>>
>> it's def something wrong with the server and other windows clients ignore
>> the lost packets and keep resending new ones instead of waiting for
>> retransmission
>>
>>
> Thanks for this useful info.  I am sening this to the site admin now!
>
>>  On Tue, Nov 3, 2009 at 1:03 PM, Brian Phelps <brphelps at ieee.org> wrote:
>>
>> > On Tue, Nov 3, 2009 at 12:58 PM, Glenn Hennessee
>> > <glenn.hennessee at gmail.com>wrote:
>> >
>> > > I just did that and the page loads much quicker with javascript turned
>> > off
>> > > but there are no menus which means they are entirely javascript. It
>> may a
>> > > case of bad javascript which causes the slow loading with linux.
>> > > glenn
>> >
>> > Its not a javascript issue.  I promise that is just an illusion. It has
>> > nothing to do with user-agent or flash either.  Read my earlier posts
>> >
>> > >
>> > >
>> > >
>> > > Barry Gaskins wrote:
>> > >
>> > >>   Another possible explaination is that the javascript on the page is
>> > >> failing.  There is a ton of javascript on this site and it does a lot
>> > >> of stuff intended to figure out what browser / OS you are using and
>> it
>> > >> does different stuff depending on what it thinks it found.  Maybe it
>> > >> does not recognize the Linux system and tries to do something stupid
>> > >> that takes a long time to fail?
>> > >>
>> > >>   Has anyone tried loading the page on a Linux system with javascript
>> > >> turned off?
>> > >>
>> > >>
>> > >>
>> > >> On Tue, Nov 3, 2009 at 12:08 PM, Glenn Hennessee
>> > >> <glenn.hennessee at gmail.com> wrote:
>> > >>
>> > >>
>> > >>> I'm not sure that's the problem. I used the User Agent Switcher
>> addin
>> > for
>> > >>> FF
>> > >>> to say I was IE 6 under win xp and it was still very slow to load.
>> > >>> glenn
>> > >>>
>> > >>> Christopher L Merrill wrote:
>> > >>>
>> > >>>
>> > >>>> Lee Fickenscher wrote:
>> > >>>>
>> > >>>>
>> > >>>>> Could it be due to all the asp on their site?
>> > >>>>>
>> > >>>>>
>> > >>>> It is certainly not a problem that is inherent to ASP. Most likely,
>> > >>>> something
>> > >>>> is looking at the User-Agent HTTP header and puking when it sees
>> > Linux.
>> > >>>> It could be at the firewall, the web server, or deep in their
>> > >>>> application.
>> > >>>>
>> > >>>>
>> > >>>>
>> > >>>>
>> > >>> --
>> > >>> Glenn Hennessee
>> > >>> Department of Chemistry
>> > >>> NC State University
>> > >>> Raleigh, NC 27606
>> > >>> Voice: (919) 515-2947 FAX: (919) 515-8909
>> > >>> Email: Glenn_Hennessee at ncsu.edu
>> > >>> --
>> > >>> TriLUG mailing list        :
>> > >>> http://www.trilug.org/mailman/listinfo/trilug
>> > >>> TriLUG FAQ  : http://www.trilug.org/wiki/Frequently_Asked_Questions
>> > >>>
>> > >>>
>> > >>>
>> > >> --
>> > >> TriLUG mailing list        :
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>> > >> TriLUG FAQ  : http://www.trilug.org/wiki/Frequently_Asked_Questions
>> > >>
>> > >>
>> > >
>> > > --
>> > > Glenn Hennessee
>> > > Department of Chemistry
>> > > NC State University
>> > > Raleigh, NC 27606
>> > > Voice: (919) 515-2947 FAX: (919) 515-8909
>> > > Email: Glenn_Hennessee at ncsu.edu
>> > > --
>> > > TriLUG mailing list        :
>> > http://www.trilug.org/mailman/listinfo/trilug
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>> > >
>> > --
>> > TriLUG mailing list        :
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>> >
>>
>>
>>
>> --
>> Michael Kimsal
>> http://jsmag.com - for javascript developers
>> http://groovymag.com - for groovy developers
>> 919.827.4724
>> --
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>>
>
>