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Topic: Outbound NAT config help
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about configure Outbound NAT
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Topic: Outbound NAT config help (Read 2010 times)
Outbound NAT config help
« on: August 22, 2013, 16:17:30 »
Sandro
Posts: 7
Hello,
I need help.
I whish that one server into DMZ is recognized on internet like another IP when using port 25.
Example:
When DMZ ANTISPAM server 212.162.145.13 send SMTP to internet the nat shall change his IP to 212.162.145.10.
I hope that find someone that can help.
Thanks
Re: Outbound NAT config help
« Reply #1 on: August 22, 2013, 22:42:32 »
Lee Sharp
Posts: 517
If you use "1 to 1" nat, it will appear as the IP set for everything. That is the easiest way to do this.
Re: Outbound NAT config help
« Reply #2 on: August 23, 2013, 08:35:29 »
Sandro
Posts: 7
Thanks I will try!
this configuration is good ?
I need to set DMZ as interface if the server is on this network?
I have 3 networks
DMZ 212.161.145.8/29
WAN 212.161.145.1/29
LAN 10.121.0.0/16
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Last Edit: August 23, 2013, 10:09:31 by Sandro
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Re: Outbound NAT config help
« Reply #3 on: August 23, 2013, 21:39:39 »
Lee Sharp
Posts: 517
I am lost. Is the mail sever in your LAN or DMZ?
Re: Outbound NAT config help
« Reply #4 on: August 24, 2013, 13:25:24 »
Sandro
Posts: 7
Is in the dmz
Re: Outbound NAT config help
« Reply #5 on: August 26, 2013, 06:25:05 »
Lee Sharp
Posts: 517
If the DMZ is bridged to WAN, you do not need any NAT, and may not even need proxy arp. (However, you may need proxy arp depending on the behavior of your ISP)
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Topic: Outbound NAT config help
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