![]() This does not have to be the exact same port number, depending on the router's quality it may even be impossible to forward using the exact same port number that you've opened up on the outside.Īlso, Please note that most people are unaware of the fact that their (modern) (server) operating system also has a so called software firewall active.īy default it may be configured to block all incoming traffic from the internet. The router may be configured to forward (NAT/PAT) traffic from the internet arriving on that port number to another port on your server. This port# is the port# that clients use to connect to your server. ![]() You will have to configure the firewall to allow access from the internet on a given port #. The firewall is more likely the part that is blocking traffic. However many (most?) el cheepo modems/routers provided by ISP's have a rudimentary embedded firewall. Minecraft is fairy safe, especially when running from a restricted account. The forwarding host can perform all sorts of man-in-the-middle attacks and/or simply inspect unencrypted traffic. ![]() If correctly configured it will not "block" traffic. The only times when port-forwarding might not be safe is when you don’t trust the endpoint doing the forwarding. The purpose of a router is to route traffic from one network to another. Another name for it is Port Address Translation (PAT).Īny router is capable of doing NAT/PAT, it's one of the basic core functions that make it a router. It is impossible to have a server accessible from outside your private network without port forwarding.
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