D-Link DWS-3024L User Manual - Page 101
Configuring AP Security, Using No Security, Using Static or Dynamic WEP
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5 Configuring Access Point Settings If the wireless network topology changes (for example, a DWS-3000 switch reboots) while the L3 tunneling feature is in use, you should perform an ARP refresh on wired clients to speed up the process of re-establishing connectivity to the tunneled network. For information about how to configure a network to use L3 tunneling, including CLI commands and Web configuration procedures, see Appendix C, "L3 Roaming Example" on page 213. Configuring AP Security The Default AP profile does not use any security mechanism by default. In order to protect your network, we strongly recommend that you select a security mechanism so that unauthorized wireless clients cannot gain access to your network. From the Wireless Network Configuration page, you can select None, WEP or WPA/WPA2 as the WLAN security mechanisms, as Figure 44 shows. The default is None. Figure 44. AP Network Security Options The following sections describe the security mechanicians. Using No Security If you select None as your security mode, no further options are configurable on the AP. This mode means that any data transferred between the D-Link Access Point and the associated wireless clients is not encrypted, and any wireless client can associate with the AP. This security mode can be useful during initial network configuration or for problem solving, but it is not recommended for regular use on the internal network because it is not secure. Using Static or Dynamic WEP Wired Equivalent Privacy (WEP) is a data encryption protocol for 802.11 wireless networks. If you select this security mechanism, all wireless clients and access points on the network are configured with a 64-bit (40-bit secret key + 24-bit initialization vector (IV)), 128-bit (104-bit secret key + 24-bit IV), or 152-bit (128-bit secret key + 24-bit IV) Shared Key for data encryption. Static WEP is not the most secure mode available, but it offers more protection than setting the security mode to None as it does prevent an outsider from easily sniffing out unencrypted wireless traffic. Dynamic WEP is more secure than Static WEP, but you need a RADIUS server to manage the dynamically generated keys. WEP encrypts data moving across the wireless network based on a static key. (The encryption algorithm is a "stream" cipher called RC4.) Configuring SSID Settings 101