Kernel crash. Are ipt_recent and ipt_conntrack culprit?

Vitaly <vitaly_il@xxxxxxxxx> · Mon, 17 Sep 2007 03:39:14 -0700 (PDT)

I run RHEL3 with kernel 2.4.21-32.0.1.ELsmp.
Yesterday morning I started to play with iptables on
this server and yesterday evening I had kernel crash
on this server.

My iptables contains just two rules, see script below

MAXHITS=70
iptables -F
rmmod ipt_recent
modprobe  ipt_recent  ip_pkt_list_tot=200

iptables -I INPUT -p tcp --dport 80  ! -s
10.10.10.0/24   -m state --state NEW -m recent --set
iptables -I INPUT -p tcp --dport 80   ! -s
10.10.10.0/24    -m state --state NEW -m recent
--update --seconds 60 --hitcount $MAXHITS -j LOG
--log-prefix "http_limit_test "  --log-level="DEBUG"

I don't see reports about recent 2.4
kernel/ipt_recent/ip_conntrack  crashes. 
OTOH, this server worked many months without crashes
before I activate  iptables. 

Should I go to the latest RHEL3 kernel even I don't
see something relevant into kernel changelog? Other
suggestions? 

Thanks
Vitaly

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