Advice 1: How to determine the port number

All computer programs that communicate with the Internet, the operating system will allocate certain ports. Sometimes the user may need to know which ports are open on his machine or on a remote computer.
How to determine the port number
Instruction
1
To see what ports are open on your computer, run the shell by selecting "start – All programs – accessories – Command prompt" and type the command netstat –aon. Press Enter. You will see a list of connections. In the column "Local address" next to the listed addresses and numbers of ports.
2
You can find out which program is using the port you are interested in. Note the last column – PID. It shows the process IDs of the processes, with their help, you can find out which program opens a particular port. This can be done in two ways.
3
Open task Manager (Ctrl + Alt + Del), under "View" click "Select columns". Check the box in the "process ID". In the task Manager window will appear in the column PID. Now you can see in the command prompt window, the process ID of the application using interesting port and the task ID to determine the name of the application process. If the name itself tells you nothing, type it into a search engine and you will get all the information on this process and the appropriate program.
4
You can get the same information by typing the same in the command line command tasklist. Displays a list of processes with their identifiers. Then everything is exactly the same as in the previous step, map the port identifier and the name of the process to obtain the information you need.
5
Sometimes you need to determine numbers of open ports on a remote computer. For this purpose, special programs that scan ports on the computer and determine which of them are open. One of the best programs of this kind is scanner Nmap. Exists as its console version and the familiar Windows user interface window.
6
Very strong research and development complex is to program Metasploit Framework, its composition is and Nmap. To check a remote computer, you can use the program XSpider. The same program you can check and safety of your own computer – enter the address of 127.0.0.1 and run the scan. The program will show not only the open ports, and existing vulnerabilities.

Advice 2: How to check which ports are open

Sometimes the user who wants to maximize control of your system, it is essential to clarify what the port's connections are open at the moment with his PC. This operation takes no more than a few seconds.
How to check which ports are open
Instruction
1
First of all, you can use the netstat command from the standard set of Windows XP. To log in to the Windows command prompt and there type "netstat 5" (without the quotes). After the execution of the command, you will see updates every 5 seconds (you can specify any other time) a report containing information about open connections, programs, and use their ports.
2
Some may be easier to use the program TCPView or other software of similar purpose. In addition, the same information you may report any firewall running on your computer.

Advice 3: How to see which ports are open

Can happen such situation that the traffic on your Internet can start "suddenly" somewhere "to go." In this case, attention should be given to ports of the computer to see where which application and which uses the - and to fix the situation based on position information.
How to see which ports are open
Instruction
1
There is such a situation that he does not want in any to run an application that uses a network for its operation - in this case, it is also worth checking if the port is open, which the program uses for its work. In General, situations when you need to find out the list of open ports are common. In order to see the list, you must use either third-party port scanners or standard utility for Linux and Windows: netstat. It runs from the command line. So open a command prompt. This can be done in two ways: 1. "Start" > "Run...". In the window that appears, enter "cmd" and press "Enter"; 2. To run the command line "manually", i.e. go to folder "C:\WINDOWS\System32" and run the program from there "cmd.exe".
2
Now you need to run the utility "netstat". To do this, type at the command line, which was launched in the first step, "netstat" and press "Enter".
For those who this little information, can explore the possibilities of this tool, run it with –h, that is, type in command prompt "netstat -h". The most probable and common keys to run: "netstat-b" - in this case the utility will display not only the open ports, but the apps that use these ports for its operation. "netstat 5". In the case of such starting information about the open ports will be displayed in increments of five seconds, the information will be updated every five seconds, and to stop the output of data with a given key, use the key combination "Ctrl+C".
3
Examine the information. In the command prompt window will display the open ports. It will look the following way: the command line will be divided into four parts, and in the left column will indicate the name of the Protocol in the second domain and after the colon is an open port, the third external address and the fourth state.

Advice 4: How to determine the version of the Framework

To work part of the application requires installation of Microsoft .NET Framework. In some cases it is possible to meet a prerequisite, which version of Framework shall be not less than that specified in the characteristics of the program. To determine the version of the platform installed on your computer, you must perform several actions.
How to determine the version of the Framework
Instruction
1
Click on the desktop item My computer, open the drive that contains the operating system, select the Windows folder and sub-folder Microsoft.NET. In this directory, open the folder Framework, and will be able to see the version of the framework installed on your computer. Also go to this folder through any other, typing in the address bar the path C: (or other drive system)/WINDOWS/Microsoft.NET/Framework.
2
The required information can be obtained in another way. Open the registry editor. To do this, click on the "start" or Windows button and select from the menu "Run". This will open a new dialog box. Enter on a blank line with no extra characters regedit.exe or just regedit and press Enter or click OK.
3
If you cannot find the Run command in the start menu, right click the mouse on the taskbar and select the context menu item "Properties". In the opened window select the tab "start Menu" and click "Configure" next to "start Menu". In the new window, click on the "Advanced" tab and select the marker item "Execute" in the "start menu Items". Save your changes.
4
In the registry editor installed version of the Framework can be viewed in several places. Expand the HKEY_LOCAL_MACHINE branch, select the sub-items SOFTWARE and Microsoft. First time the version found in subparagraph NETFramework, but for more information scroll down below the branch to the sub-item NET Framework Setup and expand the branch of the NDP. While in the registry editor, be careful not to make any changes to the keys if you do not know what you are doing.
5
Also specify the version of Framework you can use special utilities, for example, NetVersionCheck. Install the application on your computer and run it through the file VersionCheck.exe. Wait until the information gathering and review the results in the program window.

Advice 5: How to check the Windows license

Sometimes you may need to know the number of the license of the operating system Windows, for example, to activate software. Or do you simply wish to verify the authenticity of the license. All that is needed to do this is to download from the Internet and install additional software.
How to check the Windows license
You will need
  • program AIDA64 Extreme Edition;
  • program TuneUp Utilities.
Instruction
1
The Internet to find the program AIDA64 Extreme Edition. The app is a paid app but has a free period of usage which is one month. Install the software on your computer. Launch it and start scanning your system. After its completion, will open the application main menu.
2
In the right window menu, click on the option "Operating system", in the next window, select "Operating system". A window will open which will have very detailed information about your operating system. Data will be available in a few sections. Find the section called "License information". In it find the line "product ID". The number in this line is the license number of your version of Windows.
3
Another program with which you can know the number of the license, called TuneUp Utilities. Download it from the Internet. In this case you must consider the version of your operating system like Windows XP may not be compatible with Windows 7. Install the program on your computer. Start it.
4
After the first run of TuneUp Utilities need to wait a bit because there will be a full computer scan. Then you will be prompted to correct errors. If you agree, the program optimizes Windows, then you will be taken to the main menu of the application. Or you can give up, in this case, the menu appears immediately.
5
Select "Fix problems", then "Show system information". Then go to the tab Windows. In the opened window look for the section "License", and in it the string "program ID". Opposite this line is written the serial number of your operating system. You can also see other information on license Windows.
Is the advice useful?
Search