HOW TO CLOSE ALL WINDOWS ON WINDOWS 7 HOW TO

Some users report that these methods do not work on their computers. Input: netsh advfirewall firewall add rule dir=in action=block protocol=TCP localport=445 name='Block_TCP-445' and press Enter. Input: netsh advfirewall set allprofile state on and press Enter.ģ. Type “cmd” in the search box, right click the cmd from the list and Run as administrator.Ģ. Therefore, general users who are not familiar with this operate manner, please take with caution.ġ.

HOW TO CLOSE ALL WINDOWS ON WINDOWS 7 HOW TO

How to Close TCP Port 445 Opened by System on Windows 7 via CMDĬommand line operations take effect immediately and once executed, you cannot go back. For those who are getting used to command line operations, method 2 would be their favorite. Check if you have created the rule by Properties > Protocols and Ports > Local Port.Īctually, there is another method to stop port 445 with the help of Windows Firewall. Specify the name and description at your will and click Finish.Ĥ. Tick the three checkboxes and click Next. Then in the pop-up window, choose Port > Next >TCP > Specific local ports and type 445 and go Next.ģ. Go Start > Control Panel > Windows Firewall and find Advanced settings on the left side.Ģ. The first method is the easiest one and it is suitable for almost every Windows user.ġ. How to Block Port 445 in Windows Firewall There are three methods to disable port 445 in Windows 10, 7 and XP in total. Since it is one of the most dangerous ports on the Internet and made way for WannaCry attack, closing it becomes urgent.

In the last column, the status shows it is “LISTENING”. Roll your mouse to the top and you’ll see the IP address of 445. In one or two seconds, the picture will show up. “ netstat –na” command means scan all connected port and showing in numbers. Then type: “ netstat –na” and press Enter. Press Windows + R key combo to start Run box. Know if Your Port 445 is Enabled or NotĪlthough the port 445 is opened by system on Windows in most cases, it is necessary to check it on your host. You will lose browsing capabilities to networks past the intranet network as well. In terms of domain host, this will definitely break group policy. If you close port 445, you will not be able to copy any file system data to or from the path where port 445 is closed. you share your hard drives with any one that can access to this port, including deleting, formating, and implant virus and so on. Keep port 445 and port 139 opened will leave the hard disks exposed on this port, i.e. In Windows 2000, Microsoft has created a new transport for SMB over TCP and UDP on port 445, which replaces the older implementation that was over ports 137, 138, 139. They all serve Windows File and Printer Sharing. Port 139 is used for Network Basic Input Output System (NetBIOS) name resolution and port 445 is used for Server Message Blocks (SMB). But before that, you may want to know what TCP port 445 is used for, so is the port 139. Following details how to block port 445 in Windows 7, 10, and XP in easy and simple ways. It is said that the WannaCry virus infect hard drive via TCP port 445 which opened by system during installing, so does to Petya variant virus. Except for helpless waiting for the cure, there are some things we can do to prevent infection and make things better. By now, no effective decrypt methods found. Important files and documents are encrypted and are blackmailed for $300 to $600 value of virtual Bitcoin currency. WannaCry, also known as Wanna Decryptor ransomware has ran amuck on computers all over the world since the afternoon of May 12, 2017.

How to close all windows on windows 7