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How Can I access to the DMZ from behind TMG?

Hello I have Zywall USG 100:

wan connected to ISP, ip from dhcp.
Lan1 with a pc and a network behind a TMG
dmz with a NAS.

I can access to the NAS from Internet and LAN1 pc1, but I can't access behind the TMG.

I think I need to configure the TMG to route to the NAS / DMZ but I don't know how to do.

ASKER CERTIFIED SOLUTION

Cyclops3590

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limmontreefree

ASKER

You help me with your answer.

really TMG takes Routes With RIP but the Zywall firewall Drop the DMZ packets to inform the DMZ Route.
Thanks

Cyclops3590

why are you using RIP? looks like a fairly small network, I would just use static routes and simply things.

limmontreefree

ASKER

It's easier check the RIP checkbox.

Thanks

victorguillen

I have a similar problem. I'm using ZyWall USG 50 and I can successfully access the FTP server, from inner LAN (behind TMG in your case) and from the Internet to the DMZ; what I cannot access, is the Web UI of the Cloud Drive. I use WD My Cloud.

I don't want to do a port forwarding to 80 as I did for the FTP (I'm doing port forwarding on 21 to My Cloud), because I plan to use My Cloud only as FTP; and for a Web Server, I'm planning to use a full Windows Box, and I will forward my HTTP 80 traffic to that Box, but at the same time I want to be able to get access to the web UI in My Cloud; my setting is exactly the same as yours.