dresstotal.blogg.se

If you’re running something like a game server, you might need to open a port to allow that specific kind of traffic through the firewall. By default, most unsolicited traffic from the internet is blocked by Windows Firewall.

Where an IP address shows traffic how to get to a particular device on a network, the port number lets the receiving device know which program gets that traffic. When a device connects to another device on a network (including the internet), it specifies a port number that lets the receiving device know how to handle the traffic.

Sometimes, though, you’ll want to allow otherwise restricted traffic through your firewall. Firewalls are there to protect you from threats on the internet (both traffic from the internet and from local applications trying to gain access when they shouldn’t).