Publishing a Single Server Pool or Load Balancer

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After the web listener is created, a web publishing rule can be created. The process for this rule creation differs slightly depending on whether the pool consists of only a single member, or whether the reverse proxy should publish the load balancer. In either of these cases, use the following steps. If the built-in load balancing features of Forefront Threat Management Gateway are used for external load balancing, follow the next section, “Publishing a Pool with Multiple Servers,” to create the rule.

1. Right-click Firewall Policy, select New, and select Web Publishing Rule.

2. Name the rule descriptively and click Next.

3. Select Allow and then press Next.

4. Select Publish a single web site or load balancer and click Next.

5. Select Use SSL to connect to the published Web server or server farm and click Next.

6. Enter the internal site name and the fully qualified name of the internal pool and click Next.

Tip

Be sure the Threat Management Gateway server can resolve the name in DNS. If not, enter the IP address of the internal server or load balancer.

7. In the Path field, enter a /* to publish all internal paths behind the previously entered site name. Be sure to select the Forward the original host header instead of the actual one specified in the Internal site name field on the previous page check box. Click Next.

Caution

Forwarding the original host header was not important in OCS 2007, but is critical when using simple URLs for dial-in conferencing and meetings. If the original header is not forwarded, the Front End server can’t tell whether the client requested meet.companyabc.com or lyncwebservices.companyabc.com. This can prevent external users from joining meetings.

8. In the Accept requests for selection, leave This domain name selected and enter the public FQDN of the external web services defined in the Topology Builder. Leave the Path field with the /* string, as shown in Figure 6.6, and then click Next.

Figure 6.6 Public Name for Rule

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9. In the Web Listener selection box, choose the web listener created in an earlier step, and then click Next.

10. In the Authentication Delegation method, select No delegation, but client may authenticate directly, and then click Next.

11. Leave the All Users set in the list and then click Next.

12. Click Finish to complete the rule.

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