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 Its an out of date or wrongly configured router at the customer end causing the problem as it does not support tcp window scaling and thus causes performance issues. Nothing to do with ipv6. Duncan > -----Original Message----- > From: fedora-list-bounces@xxxxxxxxxx > [mailto:fedora-list-bounces@xxxxxxxxxx] On Behalf Of Dario Lesca > Sent: 28 November 2007 13:46 > To: For users of Fedora > Subject: RE: TCP/HTTP Bug Fedora Core 8 (and 6) > > > Il giorno mer, 28/11/2007 alle 12.14 +0000, Duncan Berriman > ha scritto: > > > Putting net.ipv4.tcp_window_scaling=0 into /etc/sysctl.conf > and rebooting > > works > > But this operation is better do it on all f[8-6]? > > Or is sufficient remove ipv6 support? > > Thanks > > -- > Dario Lesca <d.lesca@xxxxxxxxxx> > > -- > fedora-list mailing list > fedora-list@xxxxxxxxxx > To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > believed to be clean. >