D-Link AC750 User Manual

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Contents

21D-Link DIR-813 User ManualSection 3 - ConfigurationWireless SecurityThis section will show you the different levels of security you can use to protect your data from intruders. The DIR-813 offersthe following types of security:• WPA2 (Wi-Fi Protected Access 2) • WPA2-PSK (Pre-Shared Key)• WPA (Wi-Fi Protected Access) • WPA-PSK (Pre-Shared Key)What is WPA?WPA, or Wi-Fi Protected Access, is a Wi-Fi standard that was designed to improve the security features of WEP (Wired EquivalentPrivacy).The two major improvements over WEP:• Improved data encryption through the Temporal Key Integrity Protocol (TKIP). TKIP scrambles the keys using ahashing algorithm and, by adding an integrity-checking feature, ensures that the keys haven’t been tamperedwith. WPA2 is based on 802.11i and uses Advanced Encryption Standard (AES) instead of TKIP.• User authentication, which is generally missing in WEP, through the extensible authentication protocol (EAP).WEP regulates access to a wireless network based on a computer’s hardware-specific MAC address, which isrelatively simple to be sniffed out and stolen. EAP is built on a more secure public-key encryption system toensure that only authorized network users can access the network.WPA-PSK/WPA2-PSK uses a passphrase or key to authenticate your wireless connection. The key is an alpha-numeric passwordbetween 8 and 63 characters long. The password can include symbols (!?*&_) and spaces. This key must be the exact same keyentered on your wireless router or access point.WPA/WPA2 incorporates user authentication through the Extensible Authentication Protocol (EAP). EAP is built on a moresecure public key encryption system to ensure that only authorized network users can access the network.