Configuring the Proxy Server or Firewall to Allow Connections to the Internet
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Now you must configure the proxy server or firewall to allow Windows SharePoint Services to make connections to the Internet when necessary. You do this by configuring the proxy server or firewall to allow outbound connections from the server farm running Windows SharePoint Services to the Internet. The Web Capture Web Part and the online Web Part gallery, for example, require access to the Internet.
Allow connections to the Internet
Click Start , point to Programs , point to Microsoft ISA Server , and then click ISA Management .
In the left pane, click the plus sign next to Servers and Arrays .
Right-click your server name, and then click Properties .
On the Outgoing Web Requests tab, under Identification , select either of the following options:
Use the same listener configuration for all internal IP addresses
Configure listeners individually per IP address
This example assumes that you selected Use the same listener configuration for all internal IP addresses .
If a listener has not already been defined, click Add to create a new listener, and then in the Server field, select the name of the computer running ISA Server.
In the IP Address field, select the private IP address you set up earlier, and then click OK .
Click OK to close the Properties dialog box.
In the message box that indicates that the Web proxy service needs to be restarted, select either choice and click OK .
If you choose to not restart the service, you must restart the service manually before the changes can take effect.
In the left pane, click the plus sign next to Policy Elements .
Right-click Client Address Sets , point to New , and then click Set .
In the Name box, type a descriptive name for your server environment such as Windows SharePoint Services servers .
Click Add .
In Add/Edit IP Addresses box, in the From and To boxes, enter the IP address range of your servers running Windows SharePoint Services.
For example, if the IP addresses for your servers running Windows SharePoint Services are 192.168.1.1, 192.168.1.2, and 192.168.1.3, you would enter the following:
Click OK to close the Add/Edit IP Addresses dialog box.
Click OK to close the Client Set dialog box.
Click the plus sign next to Access Policy .
Right-click Protocol Rules , point to New , and then click Rule .
In the Protocol rule name box, type a protocol rule name such as Allow Web servers access to Internet , and then click Next .
Under Response to client requests to use protocol , select Allow , and then click Next .
In the Apply this rule to box, select Selected protocols , and then under Protocols , select the HTTP and HTTPS check boxes.
Click Next .
In the Use this schedule box, select Always , and then click Next .
Under Apply this rule to requests from , select Specific computers (client address sets), and then click Next .
Click Add .
In the Defined Sets pane, select the client address you created earlier, and then click Add .
Click OK to close the Add Client Sets dialog box.
Click Next , and then click Finish .
Note: Steps 8-14 and 22-25 are optional, depending on your configuration. For more information about the process of creating a Web publishing rule and the choices you can make during this process, see the ISA Server 2000 documentation .