[ale] Inbound port forwarding.

[Scott Nolde]

To make my packets jump, I use:

echo 1 > /proc/sys/net/ipv4/ip_forward
ipchains -P forward DENY
ipchains -A forward -s 192.168.10.0/24 -d 0/0 -j MASQ

Put the above in your /etc/rc.d/rc.local file.  Plus, I have my
/etc/sysconfig/network as follows:

NETWORKING=yes
HOSTNAME="your_hostname_here"
GATEWAY="your_gw_ip_here"
GATEWAYDEV="eth0"

All that in for my redhat 6.2 box.

- sott


"Gary S. Mackay" wrote:
> 
> I had this all working just fine with a modem connection to the 'net. I
> recently installed a cable modem which works great, (except that they block
> port 80 but that's another story), but can not get the inbound forwarding to
> work now. I have an application running on an NT box behind the masq'd network
> that is listening on port 5993. I used that ipmasqadm command to forward that
> port from the linux box to the NT box. Worked just fine with the modem. Now I
> can see the packets come in on eth0 and die. I'm guessing I'm missing
> something that tells the packets to jump across to the eth1 card so they can
> get to the 192.168.x.x address of the NT box. What am I missing?
> 
> - Gary
> 
> --
> Edison Information Technologies
> P.O. Box 554
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> Gary at EdisonInfo.com
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Never do Windows again with  |  Scott M. Nolde
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