RTSP Server
. SMTP Server
. SMTPS Server
. Telnet Server
With the server publishing rule capabilities that ISA possesses, any one of these services
can be secured easily behind an ISA server.
Creating a Server Publishing Rule
Just as with an RPC server publishing rule, an ISA server publishing rule is straightforward
to set up and configure. The following procedure illustrates how to set up one of these
rules. In this case, RDP (Terminal Services) is published from the External network to a
server in the Perimeter network via the following steps:
1. Open ISA Server Management Console.
2. Click on the Firewall Policy node from the console tree.
3. In the Tasks tab, click on the link for Publish Non-Web Server Protocols.
4. Enter a descriptive name for the publishing rule and click Next to continue.
5. Enter the IP address of the server that will be published, similar to what is shown in
Figure 15.11, and click Next to continue.
6. From the Select Protocol dialog box, select the server protocol that will be published
from the list, in this case RDP (Terminal Services) Server, and click Next to continue.
FIGURE 15.11 Publishing an RDP Server with a server publishing rule.
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