What is NAT?

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โˆ™ 2016-12-31 11:05:52

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In computer networking, the process of network address translation (NAT, also known as network masquerading or IP-masquerading) involves re-writing the source and/or destination addresses of IP packets as they pass through a router or firewall. Most systems using NAT do so in order to enable multiple hosts on a private network to access the internet using a single public IP address. According to specifications, routers should not act in this way, but many network administrators find NAT a convenient technique and use it widely. Nonetheless, NAT can introduce complications in communication between hosts. * NAT(Network Address Translation) is most commonly used by broadband routers. NAT allows the router to assign non-publically routable IP addresses to the computers on the network. When these computers access the Internet, NAT modifies the request from the PC with the publically routable address assigned to the router itself. This allows the request for a web page or whatever to get to it's destination. When the request is answered, NAT receives the return and forwards it to the PC on the network that originally requested it.
NAT stands for Network Address Translation. It is used in a Wireless Access Point (WAP), the WAP will haS it's on IP address, then the NAT will create different IP addresses for all the devices hooked up to the WAP. This way outside looks like you only have one network device, the WAP. When you really have more, all the IP addresses that your NAT created. This protects you from hackers because the IP created by the NAAT for your computer is not public, a hacker on see the IP address of the WAP.

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