Client behind FW cannot get out

[foodog@uswest.net]

  I'm no expert but since nobody else has chimed in... You
might recheck your script and make sure everything's in
order; ip forwarding is enabled, masq modules are loaded...

to see if forwarding's on type (as root, I s'pose) 
	cat /proc/sys/net/ipv4/ip_forward
if it doesn't display "1" without the quotes then do:
	echo "1" > /proc/sys/net/ipv4/ip_forward

You can see which masq modules are loaded with
	modprobe -l | grep masq

See if you can ping the interfaces on your firewall from the
Win box... That's about all that occurs to me now - make
sure your network cables are plugged in securely, might try
tcpdump to see if the packets are reaching the firewall at
all.  If eth1 is your home subnet you could do
	tcpdump -i eth0

good luck,
Steve


"Michael J. Schweppe" wrote:
> 
> Hi List:
> 
> I have a Linux box with RH 6.1 and a Windows 98 box.  The Linux box is
> set up as a FW and with IP Masq.  My ISP is @Home.  Up until last night
> all was well in the land.
> 
> Last night as a storm was moving through Chandler I shut down both
> machines as a precaution.
> First Windows and then Linux.  Afterwards I restarted Linux and ran the
> FW script,
> then started the Win box.  I went on to check mail on the Win box and
> couldn't
> get out.  All the modem lights were functioning properly.  I can get out
> on the Linux box and ping the Win box.  I can have the Win box ping
> itself and the Linux box, but the Win box cannot ping outside.
> 
> I previously recorded all the settings in netcfg for Linux and all
> appears well.  I'm not certain where or how to proceed at this point.
> I'm really new at the FW/IPMasq business and feel lost at this point.
> 
> Thanks,
> 
> Mike
> 
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