Messages in this thread | | | Subject | Re: ipfwadm problems | From | Frank Schaefer <> | Date | 23 May 2002 09:33:59 +0200 |
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On Wed, 2002-05-22 at 21:51, Kirk wrote: > Does iptables have or allow IP Masqurading? This is really what I'm trying > to do as I have a network behind my linux server (acting as a router) and > need to forward packets from 192.168.0.x to my WAN port on the same Linux > server. I had this working with ipchains until the upgrade to 2.4.18. >
Yes, You have to use the SNAT/DNAT targets in the PREROUTING/POSTROUTING chains of the NAT table. Recognize, that IP Masquerade is nothing else than a subset of Network Adress Translation (NAT).
Regards Frank
BTW: A collegue of mine has the problem, that a host has 4 NICs; 2 to the LAN and 2 to the internet. Packets coming from LAN NIC 1 shall be forwarded through WWW NIC 1 and Packets from LAN NIC 2 through WWW NIC 2. Is there any way to perform this on a 2.2.x kernel using ipchains? And even whorse; They need destination NAT in the reverse manner of the above.
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