![]() ![]() ![]() In the sense that all data fulfilling the requirements are forwarded, port forwarding is ‘stateless.’ĭata from one packet is related to/dependent on data in another, and tunnels are stateful and managed from outside the network protocol. Tunneling necessitates the examination of the data contained within the packet (at least to establish the tunnel). Only the data accessible in the network packet envelope can be used to execute port forwarding. Port Forwarding vs Tunneling Port Forwarding In other words, A NAT facility that takes traffic from a permitted port updates the destination address to the configured mapped IP address, and notes this so it can route outgoing traffic back appropriately is known as port forwarding. ![]() The core concept of port forwarding is NAT i.e., Network Address Translation, which allows internal devices to share a single Public IP Address. Port Forwarding is a technique that is used to allow external devices access to computers services on private networks. ![]()
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