Trouble accessing some sites (linux) - SOLVED

stirling

Member
Oct 29, 2001
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I can't seem to access either nvidia.com or creative.com from linux.
No problems from windows on the same machine.

My setup is cable/dhcp and 2.4.18 kernel w/ all iptables options.
It doesn't matter if my iptables script is up or down.
It doesn't matter if I use opera or links.

icmp traceroutes get through ok.
tcp traceroutes and http requests just hang 1 hop away from the web server, with 'netstat -punta' reporting SYN_SENT (for http requests) and nothing more.

I think I've narrowed it down to "something" in /proc/sys/net/ipv4 but that's pretty broad territory.

Anyone have a clue?
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Solution: Turn off Explicit Congestion Notification

$ echo "0" > /proc/sys/net/ipv4/tcp_ecn