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Sonicwall Pro 2040 Lan To Lan RDP/DNS Config

Posted on 2014-03-26
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Last Modified: 2014-03-29
Hi Experts.
I am a newbie to Sonicwall and require some of your expertise.

The Setup:
Sonicwall Pro 2040 X0 Port to LAN
Sonicwall Pro 2040 X1 Port to Internet
Sonicwall Pro 2040 X2 Port connected to a VLAN'd HP Procurve Switch with IP 192.168.xxx.254 on X2 and 192.168.xxx.250 on the switch port.  From the 192.168.xxx.xxx network I can ping the switch port and X2 interface IP's and I can ping to assets on the other subnet (which is 10.0.xxx.xxx) and vice versa.

The issue:
I cannot RDP from a system on the 10.0.xxx.xxx to a server on the 192.168.xxx.xxx network.  It also appears DNS traffic will not flow since I attempted to create a Stub Zone in DNS on the 192 network and it times out.

I suspect the firewall is not allowing the traffic to pass back and forth between the two subnets.  Any assistance would be greatly appreciated.
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Question by:swlaurie
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Expert Comment

by:carlmd
ID: 39958544
Do you have a firewall permit rule for X2 to X0 (I assume this is the 10.0,x.x) and vice versa?
The only permit by default is from the LAN to WAN.
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Author Comment

by:swlaurie
ID: 39959660
Carlmd, how would I set that up in the GUI?
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Expert Comment

by:carlmd
ID: 39959743
I don't have access to a Sonicwall at the moment, but can give you detailed instructions tomorrow.

Briefly, you go to the firewall setting for LAN to WAN and add a rule.
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This technical paper will help you implement VMware’s VM encryption as well as implement Veeam encryption which together will achieve the nothing ever in the clear goal. If a bad guy steals VMs, backups or traffic they get nothing.

 
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Accepted Solution

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carlmd earned 2000 total points
ID: 39961202
The PRO2040 is quite old, so your menu may not match my instructions exactly but you should have similar settings. Login to Sonciwall as admin. I am assuming you have defined X2 as a LAN interface (you can check this under Network -> Interfaces).
 
1. Select Firewall -> Access Rules
2. From the matrix select LAN to LAN

Do you have a rule that has ANY for source, destination, and service?

If not add one. Click the Add button. Select ANY for the three drop downs and leave the rest at default.
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Author Comment

by:swlaurie
ID: 39962818
Carlmd,
I have the LAN to LAN set to ANY as you instructed in your last post.  I still cannot RDP from an address on the 10 network to the server on the 192 network. Verified remote desktop is on...
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Expert Comment

by:carlmd
ID: 39963847
Did you verify that X2 is definded in the LAN zone? If so can you post the network settings for X0 and X2.
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