November 2017
Intermediate to advanced
494 pages
14h 29m
English
Content preview from Mastering Proxmox - Third Edition
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Network Address Translation/Translator
Network Address Translation/Translator (NAT) is a method of remapping one IP address space into another by modifying the network address information in the IP datagram packet headers while they are in transit across a traffic routing device.
NAT secures a device by not directly exposing it to the internet or to a public network. It also allows more physical devices to be able to communicate without having individual public IPv4 addresses, which will cost money, and there is a limited supply of IP addresses on the internet. NAT is usually configured in the router or firewall of a network, where the policy is created for local-to-global and global-to-local IP address mapping.
NAT is relevant for IPv4 networks. ...
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