I 've set up a wireless network at home but I am having the following problem:
I can ping all the computers on the internal network but i cannot connect to
computers outside the network. It seems that the computer that is supposed to
act at the router is not doing its job. I would appreciate step-by-step
instructions from anyone who has succeeded. I am using Orinoco PCMCIA cards
operating in Ad-Hoc mode. I've compiled in iptables as a module (everything
was compiled in under the iptables heading as a module) on the router.
Strangely, when I try:
iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
I get an error:
iptables: Invalid argument
due to the '-j MASQUERADE' term. Below are some outputs that might be useful.
BASE STATION (some IPs have been removed for posting)
==== networks.opts ====
*,*,*,00:02:2D:8B:29:BD)
# WiFi card
IPADDR="192.168.1.11"
NETMASK="255.255.255.0"
;;
*,*,*,00:09:5B:07:82:34)
# 10base-T Ethernet card
IPADDR="xx.xx.xxx.xxx"
NETMASK="255.255.255.0"
GATEWAY="xx.xx.xxx.x"
;;
esac
==== wireless.opts ====
case "$ADDRESS" in
*,*,*,*)
INFO="My 802.11b Network Settings"
ESSID="XXXX XXXX"
MODE="Ad-Hoc"
RATE="auto"
KEY="s:XXXX"
;;
esac
legolas root # lsmod
Module Size Used by Not tainted
orinoco_cs 5012 1
orinoco 42444 0 [orinoco_cs]
hermes 6532 0 [orinoco_cs orinoco]
ds 7464 1 [orinoco_cs]
i82365 41664 1
pcmcia_core 47808 0 [orinoco_cs ds i82365]
ipt_MASQUERADE 1560 0 (autoclean)
iptable_nat 19932 1 (autoclean) [ipt_MASQUERADE]
ip_conntrack 26056 1 (autoclean) [ipt_MASQUERADE iptable_nat]
iptable_filter 1740 0 (autoclean) (unused)
ip_tables 13688 5 [ipt_MASQUERADE iptable_nat iptable_filter]
ide-cd 33292 0 (autoclean)
sr_mod 16312 0 (autoclean) (unused)
scsi_mod 96692 1 (autoclean) [sr_mod]
cdrom 33280 0 (autoclean) [ide-cd sr_mod]
rtc 8220 0 (autoclean)
usbcore 74720 1
natsemi 17888 1
legolas root # cat /root/scripts/set_router.sh
iptables -F
iptables -t nat -F
iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
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