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Wireless Security Issues @ Home & Hotspotting Ernest Staats Director of Technology and Network Services (TNS) MS Information Assurance, CISSP, MCSE, CNA, CWNA, CCNA, Security+, I-Net+, Network+, Server+, A+ [email_address] Resources available @ http://www.es-es.org/
Once a small black window appears, type in ipconfig /all (with a space between the g and the /).
Locate the number to the right of Physical Address. This is your MAC address.
Macintosh (OS X):
If your computer is running OS X, it is best to have it upgraded to at least 10.1
From the dock, select "System Preferences".
Select the "Network" Pane
With the TCP/IP tab selected, the number next to Ethernet Address is you MAC addres
On Linux systems, the ethernet device is typically called eth0. In order to find the MAC address of the ethernet device, you must first become root, through the use of su. Then, type ifconfig -a and look up the relevant info.
# ifconfig -a eth0 Link encap:Ethernet HWaddr 00:60:08:C4:99:AA inet addr:184.108.40.206 Bcast:220.127.116.11 Mask:255.255.248.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:15647904 errors:0 dropped:0 overruns:0 TX packets:69559 errors:0 dropped:0 overruns:0 Interrupt:10 Base address:0x300
The MAC address is the HWaddr listed on the first line. In the case of this machine, it is 00:60:08:C4:99:AA.
WPA: WPA stands for Wi-Fi Protected Access. WPA is much better than WEP; we recommend that you put at least WPA on your wireless. It has been cracked, but it takes much longer and is almost not worth the effort.
For “workgroups”, laptop carts, home users, etc.
Keep “secret” long and obscure (set a long passphrase of at least 20 random characters. Better yet, use the full 63 characters by typing a sentence you can remember—just don't make it something that's easily guessed, like a line from a movie.)
Additional weakness in social engineering the “secret”
The easiest wireless security option. When you don’t need it, TURN IT OFF.
After a certain hour at night
Turn OFF access point / wireless router and your laptop’s wireless card (saves your battery life some also)
Turn off DHCP on the router or access point, set a fixed IP address range, then set each connected device to match. Use a private IP range (like 10.0.0.x) to prevent computers from being directly reached from the Internet. Assign Static IP Addresses to Devices Or Limit the number of DHCP address your router will give out
TO keep a work WIFI system so it does not drop users as they move around all vendors have some common suggestions.
Name all your AP's with the same name so if the single gets blocked by an individual standing in front of the AP or in front of another users laptop and they then get a stronger single from another work AP they do not have to re authenticate to the work wireless network.
Make sure all your AP's are on the same subnet if your are doing AD authentication.
Make sure the network is the only one listed on the preferred networks under the wireless tab of the "wireless network connection properties" on the network card adapter settings in control panel.