Create an Outbound Port Deny Rule for Windows Firewall (Windows 2008)

This article shows how to create an outbound port deny rule for Windows Firewall (Windows 2008).

1. Launch Windows Firewall with Advanced Security by clicking on Start > Administrative Tools > Windows Firewall with Advanced Security.

2. Select Outbound Rules in the left pane and click New Rule.

3. The New Outbound Rule Wizard launches. Select Port and click Next.

4. This screen is to determine if this rule applies to TCP or UDP
   protocol and all ports or specific port(s). Select either TCP or UDP and
   then either select all ports or select "Specific local ports:" and fill
   in the port(s) separating them with a comma if necessary. Click Next to
   continue.

5. Since this is for an allow rule you will need to select weather to
   allow this traffic for all connections (secure and insecure) or only if
   the connection is secure. If you require the connection to be secure you
   can also specify if it also requires Encryption or if it overrides block
   rules. Click Next to continue.

6. On this screen you can select which profiles the rule applies to.
   Domain applies when the inbound connection is coming from a computer
   within the domain. Private applies when the inbound connection is coming
   from a source that has selected Private for it's profile. Public applies
   to all connections coming from a source whose profile is set to Public.
   You can select one, two or all three. Click Next to continue.

7. This is the screen were you will give the rule a name and any
   description you would like to specify. Click Finish to create the rule
   and go back to the main screen.