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I have a desktop with two ethernet(etho,eth1) cards and OSSIM installed in it. I have a laptop with webmin installed, where i want to write rules for transferring packets from eth1 to eth0. Both the laptop(10.3.2.25) and desktop(10.3.2.148) are in same network

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I'm not sure I fully understand the role of the laptop. You can put two network cards onto the same network segment by bridging them, or by adding iptables rules. Neither of these however involve the laptop... – lynks Dec 7 '12 at 18:16
i am using webmin in my laptop, and ethernet cards are in desktop. How to add rules to iptables? @lynks – Mahesh Vemuri Dec 7 '12 at 18:19
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I would suggest you ask this on superuser.com I have never heard of webmin or ossim, but this is a pretty simple goal to achieve on the linux machine. Remember to include your linux distro also. – lynks Dec 7 '12 at 18:22
okay, sure. TQ @lynks – Mahesh Vemuri Dec 7 '12 at 18:22

closed as off topic by Scott Pack, Terry Chia, Polynomial, Antony Vennard, Gilles Dec 9 '12 at 17:32

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1 Answer

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I have flushed my iptable and added new rules. OSSIM had its own iptables and i dint use webmin.

iptables -A INPUT -s 0/0 -i eth0 -d 192.168.10.1 -p TCP -j ACCEPT 

iptables -A POSTROUTING -t nat -o eth1 -s 192.168.10.0 -d 0/0 -j MASQUERADE 

iptables -A FORWARD -t filter -o eth1 -m state --state NEW,ESTABLISHED,RELATED -j ACCEPT 

iptables -A FORWARD -t filter -i eth1 -m state --state NEW,ESTABLISHED,RELATED -j ACCEPT

And it worked out.

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