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SmoothWall DMZ problems - Network gurus please help!

M

Migroo

Diamond Member
I am having trouble getting the DMZ on my SmoothWall into action.

At the moment, we have a Green and Red setup like this, linking my Asus ADSL router to my switch, with SmoothWall in the middle.

Router settings:
IP: x.x.x.134
Subnet mask: 255.255.255.248

SmoothWall Red:
IP: x.x.x.129
Subnet mask: as on router

SmoothWall Green:
IP: 192.168.1.1
Subnet mask: 255.255.255.0

This setup works correctly from any of the machines connected to the Green side of the SmoothWall, so I know there is no problem here.

I am trying to get it setup like this with a DMZ so we can make use of some of the allocated IPs that came with our ADSL subscription:

The question is, what IP should I use for the Orange (or DMZ) NIC of SmoothWall? Should it be the same as the Red NIC (x.x.x.129) or should it be a different one (say x.x.x.130)? Our IP allocation is from x.x.x.129 to x.x.x.133, with x.x.x.134 being the IP of the router.

If I try 'switching on' the Orange side of the network on SmoothWall (ie: even with no network cable attached to the Orange NIC..) with either config I have suggested (ie: with IP x.x.x.129 or with IP x.x.x.130) then the connection between SmoothWall and the ADSL router on the Green side does not function. I am still able to access SmoothWall but I cannot reach any Internet content and I am unable to access the ADSL router (or ping it)...


Ant ideas? Thanks!
 
Use a private network address for the orange nic, this should be on a different network from your green nic.

LINK check the pre install guide.
 
Thanks both of you, YES! It works 😀

Using a private network address. Now all I have to do is setup our email and FTP on the Orange side.

Thanks
 
DMZ is when you expose a computer on your network. ie move it out from behind your firewall so it can be acessed from the internet. usually done for gaming and such.
 


<< DMZ is when you expose a computer on your network. ie move it out from behind your firewall so it can be acessed from the internet. usually done for gaming and such. >>



Not necessarily. Its the part of the network where you offer services to the internet. It should be behind a firewall because those systems offering services are some of the most vulnerable on your network.
 
Osage, its working as far as I can tell.

Going to bring up my Cobalt Qube server on the Orange side later today, so I'll let you know how that goes 🙂
 
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