Ip_conntrack Wont Work?
Jun 17, 2009
I've got the latest grsec stable, but i'm having a problem with getting ip_conntrack working.
I did the following with make menuconfig after copying my default kernels config file...
Networking -> Networking support -> Networking options -> Network packet filtering
framework (Netfilter) -> Core Netfilter -> Configuration -> Netfilter Xtables support
(required for ip_tables) -> "conntrack" connection tracking match support.
After a compile and reboot:
error: "net.ipv4.netfilter.ip_conntrack_generic_timeout" is an unknown key
error: "net.ipv4.netfilter.ip_conntrack_icmp_timeout" is an unknown key
error: "net.ipv4.netfilter.ip_conntrack_tcp_timeout_close" is an unknown key
error: "net.ipv4.netfilter.ip_conntrack_tcp_timeout_time_wait" is an unknown key
error: "net.ipv4.netfilter.ip_conntrack_tcp_timeout_last_ack" is an unknown key
error: "net.ipv4.netfilter.ip_conntrack_tcp_timeout_close_wait" is an unknown key
error: "net.ipv4.netfilter.ip_conntrack_tcp_timeout_fin_wait" is an unknown key
error: "net.ipv4.netfilter.ip_conntrack_tcp_timeout_established" is an unknown key
error: "net.ipv4.netfilter.ip_conntrack_tcp_timeout_syn_recv" is an unknown key
error: "net.ipv4.netfilter.ip_conntrack_tcp_timeout_syn_sent" is an unknown key
error: "net.ipv4.netfilter.ip_conntrack_udp_timeout" is an unknown key
error: "net.ipv4.netfilter.ip_conntrack_udp_timeout_stream" is an unknown key
error: "net.ipv4.netfilter.ip_conntrack_max" is an unknown key
error: "net.ipv4.ip_conntrack_max" is an unknown key
I did a ls on /lib/modules/2.6.27.10-grsec/kernel/net/ipv4/netfilter and dont see the modules that i see in the default kernels...
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65536
I increased it
131072
Because someone recommended me this number because I have 4gb of RAM. But I still get the table full errors or
host kernel: printk: 500 messages suppressed
What should I do? Should I keep increasing the number? How do I know how much I can increase it by?
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