By default, the windows have a lot of ports are open. When you access the Internet, network viruses and hackers can connect through these ports on your computer, so should be closed. There are tcp 135, 139,445,593,1025 port and udp135,137,138,445 port, Some popular ports backdoor viruses, such as tcp 2745,3127,6129 ports, and remote service access port 3389. we often use iis7 server monitoring tools to close or modify port, IIS7 server monitoring tool for the software simple style, simple operation, delete the system cache, restart the server, the server account password to modify, repair server replication, etc., can also be a key to open and close 503 MYSQL error monitoring, eliminating the tedious steps, a key to complete. You may also directly modify remote port range, eliminating the cumbersome step.
Here's how to manually shut down the network port under Windows system.
1 Click the "Start Menu / Settings / Panel / Administrative Tools", double click to open "local policy month", select the "ip security policy month, the local computer" right margin Right-click the mouse position, talk about the shortcut menu, select "create ip security policy month", the pop-up wizard. click Next to the next step in the wizard, when the "safe communication request" screen, the "activate the corresponding default rule" of the left remove the hook, click "Finish" to create a new security policy ip month.
2
Right-click the security policy ip month, in the "properties" dialog, the "use Add Wizard" left hook to remove, then click on the right "Add" button to add a new rule, then pop-up "new rule properties" dialog box, click "Add" button on the screen, pop-up window ip filter list. in the list, first the "use Add Wizard" on the left remove the hook, and then click to the right of the "Add" button to add a new filter.
3
into the "filter properties' dialog box, first see is to find the address, source address choose" any ip address ", target address strobe "my ip address", click on the "agreement" tab, in the "select Association Type "drop-down list, select" tcp ", then" "text box under the" this port 135 "and click OK. This will add a shield tcp135 port filters, can prevent the outside world through port 135 even on your computer.
click OK to return to the filter list dialog box, you can see a policy has been added monthly.
In the "New Rule Properties" dialog box, select "new ip filter list 'and click the checkbox to the left of that has been activated. Finally, click" Filter Action "tab, the" Use Add Wizard left, "the hook removed, click on the "Add" button, a "stop" operation, in the "security" tab of the "new filter action properties", select "stop", then click "OK"
5
to enter the "new rule properties" dialog box, click on the "new filter action.", select the check box to the left that has been activated, click "Close" button to close the dialog box. Finally, "the new security policy ip month properties" dialog box, in the "new ip screening list "on the left tick, click OK to close the dialog box. in the" local security policy month "window, right click on the newly added ip security policy months, and then select" assign. "
after restarting the port will be shut down! computer much safer !!!
other methods
1. modify the registry, add a key Hive: HKEY_LOCAL_MACHINE Key: System \\ CurrentControlSet \\ Services \\ NetBT \\ Parameters Name: SMBDeviceEnabled Type: REG_DWORD Value: 0 after modification restart the machine, run "netstat -an", you will find Your 445 port is no longer a Listening.
2. Start - Control Panel - Firewall - Exceptions - Add port
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