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In this example, the default gateway uses the IP address 192.168.4.1, which is resolved into a MAC address with ARP in the usual way. The destination IP address remains 192.168.12.3, but the next-hop MAC address is that of the gateway, rather than of the ultimate destination.
A major security flaw was revealed in December 2011 that affects wireless routers with the WPS PIN feature, which most recent models have enabled by default. The flaw allows a remote attacker to recover the WPS PIN in a few hours with a brute-force attack and, with the WPS PIN, the network's WPA/WPA2 pre-shared key (PSK). [ 3 ]
WPA-Personal and WPA2-Personal remain vulnerable to password cracking attacks if users rely on a weak password or passphrase. WPA passphrase hashes are seeded from the SSID name and its length; rainbow tables exist for the top 1,000 network SSIDs and a multitude of common passwords, requiring only a quick lookup to speed up cracking WPA-PSK.
In Internet networking, a private network is a computer network that restricts access to it. Only devices, systems, and users with appropriate authorization and authentication can connect to a private network.
An example of a service set called "WiFi Wikipedia" consisting of two basic service sets (BSSs).Notebook_My is able to automatically roam between the two BSSs, without the user having to explicitly connect to the second network.
On March 30, 2010 Cisco unveiled a new series of home networking products called "Valet". [1] The focus of this series is to simplify the installation and configuration of a typical wireless home network by shipping routers partially pre-configured and bundling with them software that aids the user in setting up their network with a step-by-step wizard.
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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.