TCP/HTTP Bug Fedora Core 8 (and 6)

Duncan Berriman duncan at
Wed Nov 28 21:15:46 UTC 2007

Unfortunately the server I discovered the problem with is not mine so I'm
not keen to give out its address and now that I have identified a problem
with it I'm sure the owner will quickly sort it out as any visitor using a
recent version of Linux or using Windows Vista will have problems accessing
their web site.

It shouldn't really happen if your router is a recent model or has up to
date rom and has been configured correctly.

>From the information on the rfc for this
change was published in 1992! From the looks of things people started
noticing issues in 2004 when it appears to have become a default in Linux
kernels. It also appears to be turned on in Windows Vista by default.

If you find it means someone is probably running a very old router or
firewall or has mis configured it. 


> -----Original Message-----
> From: fedora-list-bounces at 
> [mailto:fedora-list-bounces at] On Behalf Of Tim
> Sent: 28 November 2007 17:31
> To: For users of Fedora
> Subject: RE: TCP/HTTP Bug Fedora Core 8 (and 6)
> On Wed, 2007-11-28 at 15:54 +0000, Duncan Berriman wrote:
> > Its nothing wrong with Fedora (or for that matter it seems 
> Vista which
> > also has this on by default now).
> > 
> > Its an out of date or wrongly configured router at the customer end
> > causing the problem as it does not support tcp window 
> scaling and thus
> > causes performance issues.
> I'm yet to encounter this error, oddly enough.  Has anybody got some
> known problem server addresses I can try out?
> -- 
> (This computer runs FC7, my others run FC4, FC5 & FC6, in case that's
>  important to the thread.)
> Don't send private replies to my address, the mailbox is ignored.
> I read messages from the public lists.
> -- 
> fedora-list mailing list
> fedora-list at
> To unsubscribe:
> -- 
> This message has been scanned for viruses and
> dangerous content by MailScanner, and is
> believed to be clean.

More information about the fedora-list mailing list