On Fri, Sep 11, 1998 at 09:06:59PM -0700, Harondel J. Sibble wrote:
[snip]
> and set the 486 ipmasq box with just a win98 client machine connected
> directly to it. The 98 box has the ip address of eth0 (192.168.1.2) as its default
> gateway and the 98 box is assigned 192.168.1.6
>
> I am able to use the ip addresses to ping eth0 from the 98 box and ping the 98
> box from the linux box.
>
> Now I enter the rules below
>
> ipfwadm -F -p deny
> ipfwadm -F -a m -S 192.168.1.0/24 - D 0.0.0.0/0
>
> all the F, I, and O rules has been cleaned out previously as I was working
> through the firewall setup chapter in Linux Network Toolkit by Paul G. Sery
> (absolutely excellent book by the way for any new to linux folks)
>
> this sort of works as I can ping the outside world fine from the masq machine
> and ping the 98 box also. I can even ping eth1 from the 98 box by typing its
> dhcp assigned address. Now the problem is that I cannot get out to the net
> from the 98 box.
It sounds like forwarding isn't enabled. See what's in the file
/proc/sys/net/ipv4/ip_forward. It should be 1. If it's 0, then do this: echo
"1" > /proc/sys/net/ipv4/ip_forward.
If that was the problem, then you can enable forwarding at boot time by making
sure the line FORWARD_IPV4=true is in the file /etc/sysconfig/network.
Chris
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