/sbin/modprobe iptable_nat
/sbin/iptables -t nat -F /sbin/iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
Which gives the error:
iptables: No chain/target/match by that name
or, if I plug in a -v : MASQUERADE all opt -- in * out eth0 0.0.0.0/0 -> 0.0.0.0/0 iptables: No chain/target/match by that name
But this works:
/sbin/iptables -t nat -A POSTROUTING -o eth0 -j SNAT --to-source 10.10.10.1
So I figure I need some kernel module installed. I find these from lsmod:
iptable_mangle 2712 0 (autoclean) (unused)
ipt_state 1048 2 (autoclean)
iptable_filter 2348 1 (autoclean)
iptable_nat 20632 1
ip_conntrack 26120 2 [ipt_state iptable_nat]
ip_tables 14520 6 [iptable_mangle ipt_state iptable_filter iptable_nat]
In the modules kernel/net/ipv4/netfilter folder I see ipt_MASQUERADE. So...
/sbin/modprobe ipt_MASQUERADE
/lib/modules/2.4.20-20.1.2013.nptl/kernel/net/ipv4/netfilter/ipchains.o: init_module: Device or resource busy
Hint: insmod errors can be caused by incorrect module parameters, including invalid IO or IRQ parameters.
You may find more information in syslog or the output from dmesg
/lib/modules/2.4.20-20.1.2013.nptl/kernel/net/ipv4/netfilter/ipchains.o: insmod /lib/modules/2.4.20-20.1.2013.nptl/kernel/net/ipv4/netfilter/ipchains.o failed
/lib/modules/2.4.20-20.1.2013.nptl/kernel/net/ipv4/netfilter/ipchains.o: insmod ipt_MASQUERADE failed
which I assume means that ipchains has to be loaded too, but can't be since this is 2.4.x kernel. modules.dep has this:
modules/2.4.20-20.1.2013.nptl/kernel/net/ipv4/netfilter/ipt_MASQUERADE.o: /lib/modules/2.4.20-20.1.2013.nptl/kernel/net/ipv4/netfilter/ip_conntrack.o \
/lib/modules/2.4.20-20.1.2013.nptl/kernel/net/ipv4/netfilter/ipchains.o \
/lib/modules/2.4.20-20.1.2013.nptl/kernel/net/ipv4/netfilter/ip_tables.o
Any help would be really appreciated.
sean
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