[Comm] Поддержка iptables и NAT

[Jura]

Подскажите, поддерживает ядро Master2.2:
# uname -a
Linux jsrv.compozitor.spb.ru 2.4.20-alt5-up #1 Sun Feb 16 16:46:13 MSK 2003 i686 unknown unknown GNU/Linux

средства iptables и NAT?
Или как это определить?

Делаю:
# insmod iptable_nat
Using /lib/modules/2.4.20-alt5-up/kernel/net/ipv4/netfilter/iptable_nat.o
/lib/modules/2.4.20-alt5-up/kernel/net/ipv4/netfilter/iptable_nat.o: unresolved symbol ipt_register_target_Rbba892b2
/lib/modules/2.4.20-alt5-up/kernel/net/ipv4/netfilter/iptable_nat.o: unresolved symbol ip_ct_selective_cleanup_Rb357fd75
/lib/modules/2.4.20-alt5-up/kernel/net/ipv4/netfilter/iptable_nat.o: unresolved symbol ip_conntrack_destroyed_R551c5143
/lib/modules/2.4.20-alt5-up/kernel/net/ipv4/netfilter/iptable_nat.o: unresolved symbol ip_conntrack_htable_size_R8ef8af4c
/lib/modules/2.4.20-alt5-up/kernel/net/ipv4/netfilter/iptable_nat.o: unresolved symbol ip_ct_find_helper_R0cbc7fbe
/lib/modules/2.4.20-alt5-up/kernel/net/ipv4/netfilter/iptable_nat.o: unresolved symbol __ip_ct_find_proto_Rd7dc484a
/lib/modules/2.4.20-alt5-up/kernel/net/ipv4/netfilter/iptable_nat.o: unresolved symbol ip_conntrack_get_Rfa621036
/lib/modules/2.4.20-alt5-up/kernel/net/ipv4/netfilter/iptable_nat.o: unresolved symbol ipt_unregister_table_R1ed46be9
/lib/modules/2.4.20-alt5-up/kernel/net/ipv4/netfilter/iptable_nat.o: unresolved symbol invert_tuplepr_R5e68d8a9
/lib/modules/2.4.20-alt5-up/kernel/net/ipv4/netfilter/iptable_nat.o: unresolved symbol ipt_unregister_target_R10052b33
/lib/modules/2.4.20-alt5-up/kernel/net/ipv4/netfilter/iptable_nat.o: unresolved symbol ip_conntrack_alter_reply_Ra74d2df6
/lib/modules/2.4.20-alt5-up/kernel/net/ipv4/netfilter/iptable_nat.o: unresolved symbol ip_conntrack_module_Rb0361033
/lib/modules/2.4.20-alt5-up/kernel/net/ipv4/netfilter/iptable_nat.o: unresolved symbol ipt_do_table_R253db0ea
/lib/modules/2.4.20-alt5-up/kernel/net/ipv4/netfilter/iptable_nat.o: unresolved symbol ipt_register_table_R7dfe4a30
/lib/modules/2.4.20-alt5-up/kernel/net/ipv4/netfilter/iptable_nat.o: unresolved symbol ip_ct_gather_frags_R34f0bfb0
/lib/modules/2.4.20-alt5-up/kernel/net/ipv4/netfilter/iptable_nat.o: unresolved symbol
ip_conntrack_tuple_taken_Rf2e8bd73

получаю эти сообщения об ошибках.
Модуля iptables в списке загруженных модулей нет:
# lsmod
Module                  Size  Used by    Not tainted
autofs4                 8116   1  (autoclean)
e1000                  69796   1  (autoclean)
e100                   59568   1  (autoclean)
floppy                 46684   2  (autoclean)
serial                 55652   0  (autoclean)
isa-pnp                28996   0  (autoclean) [serial]
ehci-hcd               15528   0  (unused)
usb-uhci               21612   0  (unused)
usbcore                57844   1  [ehci-hcd usb-uhci]
nls_koi8-r              3836   2  (autoclean)
nls_cp866               3804   2  (autoclean)
vfat                    9708   2  (autoclean)
fat                    29976   0  (autoclean) [vfat]
rtc                     6044   0  (autoclean)
ext3                   60716   6 
jbd                    36572   6  [ext3]

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