ip_conntrack: table full, dropping packet. SAY WHA????

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I have a single windows machine NATED behind my Linux router/gateway/firewall.
I use iptables 1.2.8

info on the module I found is this

root@kingscross:/var/www/n00b# modinfo ip_conntrack
filename:    /lib/modules/2.4.22/kernel/net/ipv4/netfilter/ip_conntrack.o
description: <none>
author:      <none>
license:     "GPL"
parm:        hashsize int

I like to play CounterStrike. When I update the list from Master Servers 
I get this in my /var/log/messages file and it's sent to STDOUT

Sep  8 22:18:06 kingscross kernel: NET: 347 messages suppressed.
Sep  8 22:18:06 kingscross kernel: ip_conntrack: table full, dropping packet.
Sep  8 22:18:11 kingscross kernel: NET: 392 messages suppressed.
Sep  8 22:18:11 kingscross kernel: ip_conntrack: table full, dropping packet.
Sep  8 22:18:16 kingscross kernel: NET: 371 messages suppressed.
Sep  8 22:18:16 kingscross kernel: ip_conntrack: table full, dropping packet.
Sep  8 22:18:21 kingscross kernel: NET: 414 messages suppressed.
Sep  8 22:18:21 kingscross kernel: ip_conntrack: table full, dropping packet.
Sep  8 22:18:26 kingscross kernel: NET: 467 messages suppressed.
Sep  8 22:18:26 kingscross kernel: ip_conntrack: table full, dropping packet.
Sep  8 22:18:31 kingscross kernel: NET: 436 messages suppressed.
Sep  8 22:18:31 kingscross kernel: ip_conntrack: table full, dropping packet.

The suppressed messages vary..but what gives here? Here are my UDP rules for
refference.

# UDP Filters
#
#iptables -A INPUT -p udp -i eth0 -m state --state NEW,INVALID -j LOG
iptables -A INPUT -p udp -i eth0 -m state --state NEW,INVALID -j DROP
iptables -A INPUT -p udp -i eth0 -m state --state ESTABLISHED,RELATED -j ACCEPT

If someone could explain thhis to me I would appreciate it.

Thanks 
SBlaze

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