Could it be related to this:
http://support.microsoft.com/kb/159211/EN-US/

---
James.
 
 

> -----Original Message-----
> From: piclist-bounces@mit.edu 
> [mailto:piclist-bounces@mit.edu] On Behalf Of James Newton, Host
> Sent: 2005 Jul 30, Sat 08:50
> To: 'Microcontroller discussion list - Public.'
> Subject: RE: [OT] piclist.com access troubshooting
> Importance: Low
> 
> > 
> > James Newton, Host wrote:
> > > I would really love to have someone who really knows what 
> they are 
> > > doing help troubleshoot this. So far I've come up with the
> > following
> > > script to aid in troubleshooting:
> > > 
> > 
> > I have a vague idea about what might be happening. There are two
> > possibilities: some ISP invisible proxy that messes things up (at 
> > least the one my ISP uses is fine), or data transmission/routing 
> > issues. I think it might me MTU issues.
> > The headers are small, they get sent in one packet. Then, 
> the content 
> > arrives in large chunks. If the MTU is too high, AND some router in 
> > between doesn't know how to break the packet in chunks, OR the DF 
> > (Dont' Fragment) bit gets set in the IP packet, that kind of stuff 
> > will happen. This happened to a spanish ISP once, and got everyone 
> > pissed off (some misconfiguration somewhere). The fix at 
> the time was 
> > to lower the MTU. The issue with the PIClist headers not 
> working but 
> > quickstepper working might be similar.
> > 
> > Unfortunately I haven't had any problems so I can do no 
> testing here, 
> > but I offer to help wherever I can (someone with the 
> problem opening 
> > up an SSH server on a linux box with decent network 
> sniffing/debugging 
> > tools would help ;-)
> > 
> > 
> > --
> > Hector Martin (hector@marcansoft.com)
> > Public Key: http://www.marcansoft.com/hector.asc
> 
> Bless you! 
> 
> Could it be that the MTU or DF bit is wrong from the 
> piclist.com server?
> Would it still get through on most networks?
> 
> Are there any of those tools that are available on Windows machines?
> 
> ---
> James Newton: PICList webmaster/Admin
> mailto:jamesnewton@piclist.com  1-619-652-0593 phone
> http://www.piclist.com/member/JMN-EFP-786
> PIC/PICList FAQ: http://www.piclist.com
> 
>  
> 
> 
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> 


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