NAT, how can it be done properly?

-> -----Original Message-----
-> From: Hawke [mailto:proudhawk19021@home.com]
-> Sent: Tuesday, October 31, 2000 12:43 AM
-> To: plug-discuss@lists.PLUG.phoenix.az.us
-> Subject: NAT, how can it be done properly?
-> 
-> 
-> I have a question or 2 about NAt and linux.
-> 
-> I'm getting tired of using my big box as a firewall
-> and my desktop.
-> 
-> so, I am in process of setting up a smaller box to
-> handle the firewalling and NAT.
-> 
-> problem is, IP_MASQ isn't really a good NAt scheme
-> (as too many important ports are translated into the 61000
-> range). I would like to set up a NAT that works like
-> a true proxy (what is requested for inbound on port 
-> 21 <internet> is translated to port 21 on the internal
-> gateway device and vice versa).
-> 
-> is there a way to do this that isn't complicated?
-> 
-> ipchains makes a good firewall, but as a transparent NAT, 
-> it sucks.
-> 
-> Hawke
-> 
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