How to view the computer port?

Question 1: How to check the port number of computer equipment? You can check the current port number of the computer in this way.

Start \ Run the input command

At the command prompt, enter "NETSTAT -NA" to view the current port number.

Question 2: How to check the port number of the local computer? It is simple to check a local area network, and you can also check the ports of all computers in the local area network.

Question 3: How to check the computer port number? Start- Run the input cmd to open the command prompt.

Enter netstat and match the parameter -an to view it.

Or netstat/? You can see how many parameters there are.

Question 4: How to check whether a port on your computer is occupied by Windows system and use dos command to check?

Click start->; Run (Ctrl+R), enter cmd, and then press enter.

Enter netstat -an in the command window to see the usage of the port.

Directly check whether a specific port number is occupied and enter the following command: netstat -aon|findstr port number. For example, check the usage of port 80: netstat -aon|findstr 8080.

To learn more about the usage of netstat, you can enter the netstat -help command.

Question 5: How to check which ports the computer has opened and which ports the computer has opened?

First, how to check which ports are opened on the computer?

1, use the netstat command.

Windows provides netstat command, which can display the current TCP/IP network connection.

XP method: Start-Program-Accessories-Command Prompt, enter the DOS window, and enter the command netstat -na to display the connection status and open port of this machine.

(win 7 method: start-point-run, enter CMD enter in the run window, enter the DOS window, and enter the command netstat -na enter to display the connection status and open ports of this machine. ) where the local address indicates the local IP address and the open port number, the external address indicates the IP address and port number of the remote computer, and the status indicates the current TCP connection status.

2. Using port monitoring software, such as security monitoring tool VStat, can not only display all network activities, but also indicate the system path and query attributes, so as to find files. Allows you to close the establishment and termination of any existing TCP and UDP connections.

Second, how to permanently close some dangerous Trojan ports?

Each service corresponds to a corresponding port, and the commonly used services are turned on by default-it is really unnecessary for individual users.

Ports are like several doors of a house (server), and different doors lead to different rooms (server provides different services). The default port of FTP we commonly use is 2 1, while the default port of webpage is 80. However, we often open some vulnerable port services, such as 139. There are also some Trojan horse programs, such as Glacier, Bo, Guangwai and so on. It will automatically open a port you don't know. Then, as long as we block all the unused ports, won't we put an end to these illegal intrusions?

1, "Services" in "Administrative Tools" of the control panel, disable unnecessary services, and the corresponding ports will be closed.

Reminder: For individual users, it is strongly recommended to close the sever service (null connection can be prohibited).

2. Use the "TCP/IP filtering" function to limit the port of the server.

Methods: Local Connection Properties-Internet Protocol (TCP/IP)- Properties-Advanced-Advanced TCP/IP Settings-Options -TCP/IP Filtering.

Select "Enable TCP/IP filtering" check box in the pop-up dialog box, and then select "Allow only" in the left TCP port.

3. Run gpedit.msc and set it manually in PC Configuration -Windows Settings-Security Settings -IP Security Policy.

Reminder: There are multiple policies, and only one current policy can be assigned.

4. Use ipseccmd to shield unsafe ports.

Its main function is to set your filtering rules, give it a name and specify a policy name. The so-called policy is just a set of filtering rules. For example, if you want to close the TCP3333 port to send and receive data in both directions, use the following command:

Ipseccmd -w REG -p Block default port-rblock TCP/3333-f *+0: 3333: TCP-nblock-x

Commonly used parameters are as follows:

-w reg means that the configuration is written into the registry and still valid after restarting.

-p Specify the policy name, and if the name exists, add the rule to the policy, otherwise, create one.

(Note that it is best to use the same policy name, because the IP security policy of the system is subject to the last one added. )

-r specifies the rule name.

-n specifies the operation, which can be BLOCK, PASS or INPASS, and must be capitalized.

-x activation policy.

-y invalidates it.

O delete.

-p specified policy.

-f Set filtering rules.

-y Delete rule.

Methods: Copy the ipseccmd program to the directory of C:/WINDOWS/system32, and use the command prompt for additional execution.

If it is helpful, please accept it and choose it as a satisfactory answer. Thank you! ...& gt& gt

Question 6: How to query the ip and port of your computer is the "gate" and logical concept of an IP on your computer.

Ip and port generally appear at the same time, so that some software on a network device is monitored.

Usually, a process occupies one or more ports to complete network transmission.

Ip and port are collectively referred to as network nodes.

Search and query: For the ip of your own computer, directly enter ipconfig under cmd to see the complete information.

This ip may be assigned to you by the DHCP server, or you may have set it yourself.

Set in network connection, each connection has a right-click attribute, and its ip can be set in tcp/ip settings.

As for finding ports, you can use software similar to the word "Ice Penalty" to see how each port is occupied by software. The low-end port (0-255) is occupied by the system.

If you want to find someone else's ip and port, it is to detect each port of each ip by blasting. There are many detection methods, which can be detected by hacker software such as X.

Question 7: How to check the IP and port of your computer? Start, run, enter cmd, enter, and then enter "ipconfig -all".

Question 8: How to check which ports are occupied by the software running in the computer? The "Resource Manager" that comes with windows system can check the port usage, and the specific operation method is as follows:

(1) As shown by the red arrow in the figure below, right-click the taskbar and select Task Manager from the pop-up right-click menu:

(2) As shown in the red circle in the figure below, in the Task Manager, switch to the Performance tab, and then click Open Resource Manager:

(3) In the resource manager, click Network, and check the process to be queried in the network activity process. At this point, the bottom bar of the listening port will show the port used by the process (software):

Question 9: How to view computer ports with commands? You can run netstat -an in command line mode and view or try it in 360 security guards or 360 traffic firewalls.

Question 10: How to check the port number of computer equipment? You can check the current port number of the computer in this way.

Start \ Run the input command

At the command prompt, enter "NETSTAT -NA" to view the current port number.