How to close Win75 port 445?

1. At the Start & rdquo; menu selection & ldquo; Run & rdquo; enter “gpedit.msc” and press Enter to open the local Group Policy Editor. Expand & ldquo; Computer Configuration --- Windows Settings --- Security Settings --- ip security policy, on the local computer & rdquo;

2, close 135 port as an example (other ports operate the same): < Br>

Right-click in the space to the right of the Local Group Policy Editor and select “Create IP Security Policy” to bring up the IP Security Policy Wizard dialog box. Click Next; the name in the dialog box that appears. Write "Close port" (optional), click Next; in the dialog box, click the "Activate default response rule" option, do not check, and then click Next; check "Edit Attributes" Click Finish.

3. In the “Close Port Properties” dialog box that appears, select the “Rules” tab, remove the “Use Add Wizard” and click “> Add & rdquo” ; button.

4, in the pop-up "New Rule Properties" dialog box, select the "IP Filter List" tab, click "Add" in the lower left corner > Add & rdquo;

5, the Add dialog box appears, the name is filled out & ldquo; seal port & quoquo; (can be filled in), remove the "Use the Add Wizard", the front of the check, click on the right side of the "Add" button

6. In the “IP Filter Properties” dialog box that appears, select ““Address” tab, “Source Address"Select“any”,“target address”select“ IP address & rdquo;; Select the "Protocol" tab, the various settings as shown in the picture. Once set, click “OK”.

7. Return to the “ip filter list”, click “OK”. Return to the "New Rule Properties" dialog box

8. In the ip filter list, select the "Add Port" port that you just added, and then select the "Filter Action" tab, and remove it. “Use the Add Wizard” in front of the checkbox, click “Add”Button

9. In the <quo;Filter Operation Properties”, select the “Security Method” tab, select &ldquo ; Block & rdquo; option; in the "General" tab, name the operation, click OK

10, select the newly created “ New 1 & rdquo;, click Close, return to “ Close Port Properties & ldquo; dialog box, confirm that the "IP Security Rules" check box is selected, click OK

11, in the Group Policy Editor, you can see the newly created "ld"; Port & rdquo; rule, select it and right-click, select the "Assign & rdquo; option to make the rule start to apply!

At this point, you're done, the same method you can add to any you want to restrict access of Rules
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Note

Note: IPSEC Services This service must not stop Oh, stop ip strategies to lose its role.