That site block TCP Explicit Congestion Notification.
Wonder what kind type of firewall do that ?
It's not that uncommon for ECN to be blocked. (It's not correct either)
I suggest that you send an email to the webmaster in each location and try to ask a human to correct this problem. However, a workaround in the meantime is to use iptables to mangle your packets heading to that location to remove the ECN for the broken sites.
Search around on google, it's covered fairly well. I even came a across a patch on the kernel list (and an angry conversation) which would automatically disable ECN for broken sites - it seems it wouldn't be applied for reasons like how it would be bad for us end users to have such a bandaid....
Ed W _______________________________________________ LARTC mailing list / LARTC@xxxxxxxxxxxxxxx http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/