On Mon, 2004-02-16 at 12:17, Anthony Campbell wrote: > On 16 Feb 2004, David Clymer wrote: > > On Mon, 2004-02-16 at 08:55, Anthony Campbell wrote: > > > I have a very strange problem. > > > > > > 1. If I connect via my ADSL modem everything works perfectly. > > > > > > 2. If I connect via my Netgear MR814 rounter and the modem everything also > > > appears to work (dig, ping are OK) but no web sites are accessible. The > > > names are resolved but at the last stage the browser (any browser) fails > > > to connect. > > > > > > 3. It is not a hardware problem because on Knoppix there are no problems > > > and a second computer connected to the router also works perfectly. > > > > > > There must therefore be something wrong or corrupt on my desktop but I > > > have no idea how to find it. > > > > > > Any suggestions where to look? > > > > Do you have ECN enabled? > > > > $ cat /proc/sys/net/ipv4/tcp_ecn > > > > (1 == on, 0 == off) > > > > If so, its possible that your netgear router does not handle ECN packets > > properly. > > > > try: > > > > $ echo 0 > /proc/sys/net/ipv4/tcp_ecn > > > > and see if that makes any difference. > > > > -davidc > > > > Yes, thank you very much; this really does seem to be it. > Next question: how do I turn it off permanently? A quick search on my > system suggests it has something to do with ipchains, hence my firewall, > which seems a bit of a problem. >
You could recompile your kernel without ECN support or could have a script run at boot time to turn it off in the same way that you just did. -davidc -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
