How to open ports on Windows 7: types of ports and the General solution

I'm Sure many have heard that in some cases need to open ports in order to, for example, the Internet became available to some resource. However, not everyone knows how to open ports in Windows 7 – one of the most popular “operating” of our time. Look at the aspect of General solutions to this issue and will deal with some nuances.

Why do we need ports?

We will Not delve into the wilds of system processes and will try to figure out how to open ports on Windows 7. First of all, everyone should know what ports are, in fact, in the broadest sense, represent some universal channels, which can connect to specific resources in the Internet. It sometimes is a prerequisite for the opportunity to participate in online games or to access the private server.

In addition, some specific ports used by various devices in the system. This will stop separately.

How to open ports on Windows 7: General solution

So, initially this whole procedure is to change the settings of the firewall. Say at once: this General solution can be used only in those cases where the connection is made directly via a cable, not a router type Wi-Fi router (in this case, the ports will need to configure on the device itself).

How to open ports on Windows 7? Simple. To get started go to the control Panel, where you select system and security. Then select the configure firewall. In this section we are interested in additional options, after selecting which will open the settings window, the advanced security mode.

Here at the top left, use the string inbound rules, and then create a new (as a component of the selected port). In the next step, specify the Protocol TCP, the number of the desired port, then allow the connection. Appeared further profile settings can be left unchanged. Then enter a name for the new rule and click “Ready”.

Questions to open and change com port

As for how to open com ports in Windows 7, there is also nothing particularly complicated there. Sometimes this procedure will need to reassign the reserved ports for some devices, or simply remove unused.

First we click on the computer icon on the Desktop and select the line properties. On the advanced tab click on environmental variables, then you will need to create a new variable called DEVMGR_SHOW_NONPRESENT_DEVICES with a value of 1 (it will display all ports and devices using them in the appropriate dispatcher).

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Now the called device Manager either from control Panel or with the command devmgmt.msc, enter in the menu line “Run”. It is necessary to sort the list of devices by type. Under COM and LPT ports will be visible to any devices that unnecessarily take up the appropriate ports. They can be quite simple to remove. Reassignment of ports is carried out in the submenu of the properties of any installed in the system component.

How to open ports on Windows 7 for Minecraft

As for opening ports to one of the most popular online game called Minecraft, here you can apply two main methods to configure them manually or use special utilities that much easier. Let's start with the second.

You Can install a small utility called Simple Port Forwarding, after you run the program you need to specify the port number 25565, your IP address and expose some additional options. But here it should be noted that the app is shareware, and after a week of using it have to buy.

So, the user will need to know how to open ports on Windows 7 just for this game manually. Let us examine the situation on the example routers. To start using browser you have to enter the settings, refer to Port Forwarding. Here you will have to create a new connection and in the settings worksheet to enter the IP of the router, IP provider server, the number of the required port (25565) and do not forget to check the involvement of TCP. You then save the settings and just reboot the router and the computer (laptop). As you can see, this method is somewhat more complicated, since you have to contact your ISP (at least, in order to learn the address of its server).

Conclusion

If you bring a small result, it can be noted that there is nothing particularly difficult in opening ports in the “seven”, however, as in any other system, no. Then just need to pay attention to the type of opening port, since this will depend on the specifics of the procedure being performed. Needless to say, you should take into account the type of Internet connection, because the total technique works only in case of direct connection PC or laptop via a fiber optic cable. For Wi-Fi connection, configuring the router connecting to the Minecraft servers. At least allthe required data can be obtained from the provider, if the automatic setting of some parameters is not provided. Finally, this will be a disaster if certain ports by the provider is just not supported or for whatever reason are blocked.