On 2003-12-04 at 10:22:40-0800 Kit Knox <kit@xxxxxxxxxxxxx> wrote: > I know that in the past a timeout ECN failover has been considered, > but the performance hit would be too large. Are there any thoughts > about a rule based system for making ECN exceptions on outgoing > connections? /sbin/iptables -t mangle -A POSTROUTING -p tcp -d example.com -j ECN --ecn-tcp-remove I forget the exact version of iptables in which the ECN target first appears, but it's supported on RHL9 and RHEL3 as well. (RHL80 doesn't have it.)