Problem mit iptables auf der SL WLAN

MODULE_DIR="/lib/modules/`uname -r`/kernel/net/ipv4/netfilter/"
MODULES=`(cd $MODULE_DIR; ls * | sed -n -e 's/\.ko$//p' -e 's/\.o$//p' -e 's/\.ko\.gz$//p' -e 's/\.o\.gz$//p')`
for module in $MODULES; do
  if lsmod | grep ${module} >/dev/null; then continue; fi
  modprobe ${module} ||  exit 1
done
echo 1 > /proc/sys/net/ipv4/netfilter/ip_conntrack_tcp_be_liberal
echo 1 > /proc/sys/net/ipv4/conf/all/rp_filter

/var/mod/root # lsmod
Module                  Size  Used by    Tainted: P  
iptable_filter          2112  1 
ipt_state               1312  21 
ipt_multiport           2176  8 
ipt_mac                 1504  0 
ipt_iprange             1600  0 
ipt_conntrack           2080  0 
ipt_REJECT              4608  0 
ipt_REDIRECT            1536  0 
ipt_MASQUERADE          2496  0 
ipt_LOG                 7328  7 
ip_nat_tftp             1184  0 
ip_nat_irc              1952  0 
ip_nat_ftp              2816  0 
iptable_nat            22096  6 ipt_REDIRECT,ipt_MASQUERADE,ip_nat_tftp,ip_nat_irc,ip_nat_ftp
ip_tables              21088  11 iptable_filter,ipt_state,ipt_multiport,ipt_mac,ipt_iprange,ipt_conntrack,ipt_REJECT,ipt_REDIRECT,ipt_MASQUERADE,ipt_LOG,iptable_nat
ip_conntrack_tftp       3104  1 ip_nat_tftp
ip_conntrack_irc       70528  1 ip_nat_irc
ip_conntrack_ftp       71552  1 ip_nat_ftp
ip_conntrack           42192  10 ipt_state,ipt_conntrack,ipt_MASQUERADE,ip_nat_tftp,ip_nat_irc,ip_nat_ftp,iptable_nat,ip_conntrack_tftp,ip_conntrack_irc,ip_conntrack_ftp
tiap                  788384  0 
kdsldmod              582128  2 
avalanche_usb          46048  0 
tiatm                 109184  0

#!/bin/sh
#echo "Starte Firewall"
/var/tmp/flash/fritz.box.fw