Publish RDP Server on W2003 Server behing Isa 2006 enterprise (Full Version)

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orlandohg -> Publish RDP Server on W2003 Server behing Isa 2006 enterprise (30.Jun.2008 9:38:19 AM)

Dear Friends, i try to explain my problem.

1. I have a Router with an Public Ip and the router port 3389 go to the Isa Interface where service is listening. The Isa has in the nic 172.16.0.6 and router 172.16.0.5.
2. The internal network RDP Server IP is 192.168.13.18.
3. I Publish the server rule with the Assistant of Isa.

When I try to connect to my public ip in the Isa Log say that
Deny Conexion - Enterprise Default Rule - 0xc004000dFWX_E_POLICY_RULES_DENIED

I try to public the service on other port but I obtain the same result.
The publish server is a nat client of Isa, but at the moment the problem appears that the isa not route the conecctio to the server.
ŋis necessary anything more? Perhaps network rules
I donīt understand what is the problem, could somebody help me.




tshinder -> RE: Publish RDP Server on W2003 Server behing Isa 2006 enterprise (1.Jul.2008 7:48:24 AM)

Make sure the RDP listener on the ISA firewall itself is configured to listen only on the internal interface.

HTH,
Tom




orlandohg -> RE: Publish RDP Server on W2003 Server behing Isa 2006 enterprise (1.Jul.2008 1:32:33 PM)

Dear Tom, now the RDP listener listen only on the internal interface, but this wasnīt the problem why, I had try connect over other ports differents 3389 and obtained the same result.

This morning reviewing all the configuration I've seem that the oversight panel alerts have an error in publishing server that says: 
Description: Error in Rule Publication Publication X server because there is no valid listening network. To reach that requests the server published, there must be a relationship between networks listening selected and  networks published server. Location of error: 325.957.5.0.5720.100.
The error is due to the following: 0x8007000d I donīt understand this error due to when i configure all i do the next steps: 1. Add a new external network when is the public ip router.2. Add a new network relationship between external network interface where is the server to publish and and internal network interface using nat as relation.3. Add a new publish server rule listen esternal network interface an with the ip of the server to poblish. where do yo think is the problem? Thanks for all  




tshinder -> RE: Publish RDP Server on W2003 Server behing Isa 2006 enterprise (2.Jul.2008 9:49:48 AM)

What is the definition of your default Internal Network?

What is the IP address on the external interface of the firewall?
What is the IP address on the internal interface of the firewall?

Did you create new ISA Firewall Networks? If so, remove them

Do you have a Network Rule that connects Internal to External? Is it Route or NAT?

Tom




orlandohg -> RE: Publish RDP Server on W2003 Server behing Isa 2006 enterprise (3.Jul.2008 8:12:51 PM)

Dear Tom, I have already succeeded in establishing a connection using a scenario of two network cards internal an external. I have been able to access the network server internal published. The problem was in the rules of network, allowing traffic to the internal external, but not from internal to external.

Now I have added another network that connects isa to a vpn between several offices of my company. The vpn is managed by the telephone company. What is the form to define this network in Isa to be able to publish the internal network server through this Vpn.  Internal Server: 192.168.13.18/24Internal Lan Isa: 192.168.13.6/24External Lan Isa to VPN: 172.16.0.6Router VPN: 172.16.0.5VPN Client: 10.227.128.X If i defined the Vpn as an external network, and i create network rules between internal an Vpn network and publish the server, when i try to connect from vpn client in the isa log says that 10.227.128.X not is in my networks. If add this network to the VPN Network, i obtain an error of configuration in Dashboard. I think that i must define the VPN Network in Isa as VPN network but i donīt do it. what do you think about this? Thanks.





tshinder -> RE: Publish RDP Server on W2003 Server behing Isa 2006 enterprise (6.Jul.2008 9:51:55 AM)

Did you create a static address pool for the remote access VPN clients?

Tom




orlandohg -> RE: Publish RDP Server on W2003 Server behing Isa 2006 enterprise (6.Jul.2008 7:02:33 PM)

I supose that when you say that if i have created a static address pool for the remote access VPN clients, you arenīt understanding me or Iīm not explain good my problem.

I have added another network that connects isa to a vpn between several offices of my company. The vpn is managed by the telephone company not for the isa. What is the form to define this network in Isa to be able to publish the internal network server through this Vpn.

The problem is when a client in the other office try to connect with the 10.227.127.x address the isa sever stops this packets why say that is not in its networks, the isa network that connects with this has the 172.16.0.6, and if I add the 10.227.127.x address in the net, the isa show an alert of bad configuration.

Understand me now ?

Thannk for your time in my problem





tshinder -> RE: Publish RDP Server on W2003 Server behing Isa 2006 enterprise (7.Jul.2008 9:51:16 AM)

You can't put the 10.227.127 Network in the defintiion of the default Internal Network if those addresses aren't reachable from that NIC.

Create a new ISA Firewall Network for the 10.227.127 network. Then create a Network Rule to connect the default Internal Network to the 10.227.127 network.

HTH,
Tom




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