It is not difficult to open and close ports. As a rule, it is not necessary to open ports in the sense that they should open automatically. And here when it is required to close ports, in that case it is necessary to think of safety of the operating system. As potentially dangerous ports can bring viruses or other other malicious software in a system.
Instruction
1. It is necessary for work with ports that on the computer the effective protective software was installed. The antivirus of Kaspersky Internet Security will be suitable for effective protection, for example. When it is necessary that a certain port was open (for example, that a game or some program demands the system application) in that case it is necessary to add "rule exception".
2. It is possible to check safety of ports by means of free check online. To check for existence possible threat for safety of the operating system, it is necessary to follow the link http://2ip.ru/port-scaner, and then to wait for completion of check. If after check the port opposite to which an inscription of red LISTEN color, it is necessary to write it separately in a notepad, as this port potentially dangerous to a system and even if it is not used by the malicious software at present is found, can in the long term therefore it needs to be closed at once after detection.
3. It is possible to close potentially dangerous port by means of the utility under the name Windows Worms Doors Cleaner (it is possible to download at the link http://2ip.ru/download/wwdc.exe). The application does not require installation therefore after downloaded it is possible to start at once. When opening the list of ports will be laid out, you will need to close that (or those) that during check the port the scanner showed online. Other settings of the program not in which case cannot be changed. Then it is necessary to reboot. It should be noted that this solution fast and temporary. Safety of the computer will require further more effective protection.
4. As soon as the harmful port is closed, everything needs to be checked carefully an effective antivirus as consequences from actions of open port are possible. If you do not want to buy an antivirus, then it is possible to download free CureIt and to check all system. After check it is necessary to install a constant security feature for work on the Internet. Will suit fayervol to Comodo Internet Security (the program free).