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Create One 2 One Nat sonicwall 2040

Posted on 2009-02-22
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Last Modified: 2012-05-06
I have a sonicwall 2040 with standard os 3.1

external ips 1.2.3.4-1.2.3.14
external gateway 1.2.3.3

i have the wan interface set to nat enabled using 1.2.3.4
i have 1.2.3.7 with a dmz running ftp

i want to setup a 121 nat using any of my available ips. to point to one server on the internal network for HTTP traffic.

i've gone through the manual several times over but can't figure out what i'm missing.

i have 121 nat setup for 1.2.3.5 going to 192.1.1.5 with a range of 1

i have a firewall rule setup to allow all source traffic * to destination lan of 192.1.1.5 for Web HTTP.
if i then try to navigate to 1.2.3.5 IP from a fully external connection i get nothing.

however if i navigate to 1.2.3.4 it loads the appropriate website on the 192.1.1.5 server.

ideally i'd like only the NAT'd server to respond to the request. but i'd live with both external ips working if i have to.
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Question by:deeburp
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Author Comment

by:deeburp
ID: 23706802
also when i got into routes.. the 1.2.3.5 ip doesn't show up as routing anywhere.. however 1.2.3.4 and 1.2.3.7 are automatically entered due to them being in the WAN config and DMZ config.
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dpk_wal earned 2000 total points
ID: 23717931
Just to verify if you have entered all the setting correctly:
1. In Network > One-to-One NAT page.
2. Select the Enable One-to-One NAT check box.
3. Click Add. Entered 192.1.1.5 IP address [private address of server].
4. Entered 1.2.3.5 IP address [public address of server].
5. Entered 3.
6. Clicked OK; clicked Apply.

For access rule:
Click Firewall, then Access Rules.
Click Add.
Configure the following settings:
" Allow
" Service - HTTP
" Source - WAN
" Destination - LAN 192.1.1.5

Please note indicating WAN/LAN is important.

Please check and update.

Thank you.
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Expert Comment

by:dpk_wal
ID: 23717941
One correction; in step 5 above [to add 1-to-1 NAT ]; the entry should read 1 [as you wish only one internal server to be mapped to one public IP]; instead of 3.

Thank you.
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Author Closing Comment

by:deeburp
ID: 31549869
many many thanks!!! just needed it reiterated or something very nicely written!
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