#How to disable ethernet port on router windows#

Some ISPs have started to block common attack ports on behalf of their users as well to reduce the attack surface. While you may spend some time researching the open ports before you start blocking them, doing so will pay off in the long run.

#How to disable ethernet port on router windows#

It is not difficult to block ports on Windows PCs. What happens however is that the connection to these services and programs is refused, because connections to the port are blocked by the system. This does not change when you block ports on Windows. Second note: Programs such as Nirsoft's CurrPorts will still reveal that services or programs are listening on those ports. Repeat the steps for any other port that you want blocked on the Windows PC. You can undo the blocking of ports at anytime in the firewall as well. If that is the case, the port that you disabled in firewall may be needed for that. Apps may not work properly anymore, or you may not be able to connect to certain resources. Note: It can happen that you run into issues after blocking ports on the machine. Select when the rule applies (leave default if unsure).Select TCP or UDP, and specify the ports, or a port range (e.g.Select Port from the Rule Type listing.Click on Inbound Rules when the firewall window opens.Tap on the Windows-key, type Windows Firewall, and select Windows Firewall with Advanced Security from the results.The process itself is simple, and should not take long to complete: So, if you'd block it on the machine level, you'd have to do so for any device you use at that point or in the future. The benefit of blocking it in the router is that it is blocked for all devices you use on the router level. You may also block ports if you have access to the admin interface of a router or modem, as many come with options to do that as well. Most personal firewalls, including Windows Firewall, support the blocking of ports. Once you have made the decision to block a port on a Windows machine, you need to find a way to do so.

You need to concentrate on the ports listed as open in this case. common ports, file sharing, or all service ports). You may also run port checks from the Gibson website directly by clicking on one of the available port scan options there (e.g. One site that you may find useful for that is Steve Gibson's website where you can search for ports and get information on many common ones.

You do need to research the ports that you don't know about to make an educated decision about that.