6. Click Outbound Filters, click Transmit All Packets Except Those That Meet The
Criteria Below, click the filter you established for L2TP, click Delete, and click OK.
7. Click OK to close the Local Area Connection Properties dialog box, and close
the Routing And Remote Access window.
8. Click Start | Administrative Tools | Windows Firewall With Advanced Security.
In the left pane of the Windows Firewall window, click Inbound Rules; in the
317 Chapter 10: Virtual Private Networking
center pane, scroll down and click Secure Socket Tunneling Protocol (SSTP-In);
and in the right pane, click Properties. The SSTP-In Properties dialog box will
open as you see in Figure 10-9.
9. Make sure under General that Enabled is checked and then click Allow The
Connections. Click OK to close the Properties dialog box, and then close the
Windows Firewall window.
SET UP A VPN CLIENT
Setting up a VPN client is a relatively simple task. You need to set up a connection for
the client to connect to the Internet and then a connection between the client and the
VPN server. In Windows 2000, XP, and Vista, and in Server 2003 and 2008, there is an
integrated and automated approach to these two tasks, whereas in earlier versions of
Windows, you have to separately set up the dial-up connection to the Internet and then
without the help of a wizard create the VPN connection.
Figure 10-9. The firewall is automatically configured with exceptions for PPTP and L2TP, but SSTP
must be enabled.
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