Re: i need some basic help...
Quoting Federico Lazcano <flazcano@hardtec.com.ar>:
> Hi, I have a problem with my linux box.
> Packets from the internal networks doesn't flow through the external if.
> I had double checked everything, but it still doesn't work. I'm going
> slightly mad.
>
> INTIF="eth0"
> INTNET="10.0.0.0/24"
> EXTNET="192.168.10.0/24"
> EXTIF="eth1"
>
> [ Windoz ]10.0.0.10-----------10.0.0.1[ Linux
> ]192.168.10.222-------------192.168.10.1[ Internet ]
>
> Routing table, I think it's OK
>
> iguard:/home/radmin# route -n
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric Ref Use
> Iface
> 192.168.10.0 0.0.0.0 255.255.255.0 U 0 0 0
> eth1
> 10.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0
> eth0
> 0.0.0.0 192.168.10.1 0.0.0.0 UG 0 0 0
> eth1
> it's not the obvious thing
> echo "1" > /proc/sys/net/ipv4/ip_forward
>
> my firewall is wide open
>
> Chain INPUT (policy ACCEPT)
> target prot opt source destination
>
> Chain FORWARD (policy ACCEPT)
> target prot opt source destination
>
> Chain OUTPUT (policy ACCEPT)
> target prot opt source destination
I wonder if you need ipmasq installed?
If your running kernel 2.4 you should check your nat table.
Otherwise if your running kernel 2.2, your above statement
doesn't show masq at all.
# apt-get install ipmasq
Cheers,
Mike
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