Henrik, I did change it from 2 to 0 but still no luck. Is there anything else it could be that you have seen in the past? Thanks, Bryan -----Original Message----- From: Henrik Nordstrom [mailto:henrik@xxxxxxxxxxxxxxxxxxx] Sent: January 9, 2007 12:02 PM To: Shoebottom, Bryan Cc: squid-users@xxxxxxxxxxxxxxx Subject: RE: un-accessible site with version 2.6S3 tis 2007-01-09 klockan 08:24 -0500 skrev Shoebottom, Bryan: > I tried this but it didn't work: > echo 0 > /proc/sys/net/ipv4/tcp_ecn Also try the tcp windows thing.. but my testing indicated the side fails on ECN if I remember correctly. Regards Henrik