root@intrepid:/etc/init.d# lsmod|grep nat
iptable_nat             8708  1
nf_nat                 20140  2 ipt_MASQUERADE,iptable_nat
nf_conntrack_ipv4      19724  2 iptable_nat
nf_conntrack           65288  4 ipt_MASQUERADE,iptable_nat,nf_nat,nf_conntrack_ipv4
nfnetlink               6936  3 nf_nat,nf_conntrack_ipv4,nf_conntrack
ip_tables              13924  2 iptable_nat,iptable_filter
x_tables               16260  3 ipt_MASQUERADE,iptable_nat,ip_tables
root@intrepid:/etc/init.d#