[CentOS] iptables starts blocking outbound http traffic
Neil Aggarwal
neil at JAMMConsulting.comThu Nov 6 15:42:31 UTC 2008
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Filipe: Thanks for the information. If I do: cat /proc/sys/net/ipv4/netfilter/ip_conntrack_max on each of my servers, they all report 65536 which seems like a pretty high limit. If I do: cat /proc/sys/net/ipv4/netfilter/ip_conntrack_count on each of my servers, the highest number is just over 1100. If this is the source of the problem, how would restarting httpd and tomcat help? I did not restart the machine nor reset iptables. I am not asking this to be argumentative, just trying to understand how the facts I am seeing are related. Thanks, Neil -- Neil Aggarwal, (832)245-7314, www.JAMMConsulting.com Eliminate junk email and reclaim your inbox. Visit http://www.spammilter.com for details. > If you're using ESTABLISHED, it depends on ip_conntrack being able to > track the connections. ip_conntrack keeps a table of all connections, > but this table is limited in size, so it may be overflowing.
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