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Carrier-grade NAT. Carrier-grade NAT (CGN or CGNAT), also known as large-scale NAT (LSN), is a type of network address translation (NAT) used by ISPs in IPv4 network design. With CGNAT, end sites, in particular residential networks, are configured with private network addresses that are translated to public IPv4 addresses by middlebox network address translator devices embedded in the network ...
Network address translation between a private network and the Internet. Network address translation (NAT) is a method of mapping an IP address space into another by modifying network address information in the IP header of packets while they are in transit across a traffic routing device. [1]
NAT Port Mapping Protocol (NAT-PMP) is a network protocol for establishing network address translation (NAT) settings and port forwarding configurations automatically without user effort. [1] The protocol automatically determines the external IPv4 address of a NAT gateway, and provides means for an application to communicate the parameters for ...
Session Traversal Utilities for NAT (STUN) is a standardized protocol for such address discovery including NAT classification. Traversal Using Relays around NAT (TURN) places a third-party server to relay messages between two clients when direct media traffic between peers is not allowed by a firewall.
Microsoft Configuration Manager (ConfigMgr) is a systems management software product developed by Microsoft for managing large groups of computers providing remote control, patch management, software distribution, operating system deployment, and hardware and software inventory management.
Port forwarding via NAT router. In computer networking, port forwarding or port mapping is an application of network address translation (NAT) that redirects a communication request from one address and port number combination to another while the packets are traversing a network gateway, such as a router or firewall.
The NAT uses the port preservation allocation scheme: the NAT maps the source port of the internal peer to the same public port. In this case, port prediction is trivial, and the peers simply have to exchange the port to which they are bound through another communication channel (such as UDP, or DHT [ clarification needed ] ) before making the ...
However, this argument either ignores the natural firewall provided by NAT, or assumes that consumer-grade network routing devices (which are often installed by purchasers lacking knowledge of firewall configuration) would always be factory configured to block incoming server requests.