Wi-Fi How To
From Navas Wireless Wiki
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* Internet speed testing (''e.g., ''[http://nitro.ucsc.edu/ NDT]) probably ''won't'' tell you anything about your wireless network performance (because wireless is normally faster than an Internet connection). | * Internet speed testing (''e.g., ''[http://nitro.ucsc.edu/ NDT]) probably ''won't'' tell you anything about your wireless network performance (because wireless is normally faster than an Internet connection). | ||
* Instead, measure data transfer throughput between two computers on your network, using software tools such as: | * Instead, measure data transfer throughput between two computers on your network, using software tools such as: | ||
| - | ** [http:// | + | ** [http://iperf.sourceforge.net/ Iperf] |
| + | ** [http://code.google.com/p/xjperf/ Jperf] | ||
** [http://freshmeat.net/projects/netio/ Netio] | ** [http://freshmeat.net/projects/netio/ Netio] | ||
* Wireless to ''wireless'' speed will probably be much less than wireless to ''wired'' speed, because ''only one wireless link in one direction can be active at any one time''. | * Wireless to ''wireless'' speed will probably be much less than wireless to ''wired'' speed, because ''only one wireless link in one direction can be active at any one time''. | ||
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Notes: | Notes: | ||
* Routers A and B can be wired and/or wireless. | * Routers A and B can be wired and/or wireless. | ||
| - | * This method involves Double NAT, which can sometimes cause problems. See [[ | + | * This method involves Double NAT, which can sometimes cause problems. (See [[wikipedia:Session Traversal Utilities for NAT|Session Traversal Utilities for NAT]]) |
* The same effect can also be achieved with a single router that supports [[wikipedia:Virtual LAN|Virtual LAN]] (VLAN) without double NAT, although it may be less secure. | * The same effect can also be achieved with a single router that supports [[wikipedia:Virtual LAN|Virtual LAN]] (VLAN) without double NAT, although it may be less secure. | ||
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=== Use WPA/WPA2 Enterprise === | === Use WPA/WPA2 Enterprise === | ||
WPA Enterprise enhances security and is preferred over WPA because each client is authenticated separately. (Sharing a key is a security risk.) Practical authentication ([[wikipedia:RADIUS|RADIUS]]) solutions for small wireless networks include: | WPA Enterprise enhances security and is preferred over WPA because each client is authenticated separately. (Sharing a key is a security risk.) Practical authentication ([[wikipedia:RADIUS|RADIUS]]) solutions for small wireless networks include: | ||
| - | * [http://us.zyxel.com/web/product_family_detail.php?PC1indexflag=20040520161256&CategoryGroupNo=1FD9B843-06BE-448D-B770-5383D40CD32E ZyXEL G-2000 Plus] | + | * '''RADIUS Service''' |
| + | ** [http://cloudessa.com/ Cloudessa] ''(free for up to 100 users)'' | ||
| + | * '''Wireless Router with built-in PEAP Server''' | ||
| + | ** [http://us.zyxel.com/web/product_family_detail.php?PC1indexflag=20040520161256&CategoryGroupNo=1FD9B843-06BE-448D-B770-5383D40CD32E ZyXEL G-2000 Plus] | ||
== Secure a wireless network == | == Secure a wireless network == | ||
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* Run Cat-5 or better cable from one of wireless router's RJ45 ports around or (drilled) through the wall, and on the other side of the wall attach a wireless access point. | * Run Cat-5 or better cable from one of wireless router's RJ45 ports around or (drilled) through the wall, and on the other side of the wall attach a wireless access point. | ||
* Use [[wikipedia:HomePlug Powerline Alliance|powerline]], [[wikipedia:HomePNA|phoneline]], or [[wikipedia:Multimedia over Coax Alliance|coax]] networking to attach a wireless access point on the other side of the wall, if any of these cables are available on both sides of the wall. | * Use [[wikipedia:HomePlug Powerline Alliance|powerline]], [[wikipedia:HomePNA|phoneline]], or [[wikipedia:Multimedia over Coax Alliance|coax]] networking to attach a wireless access point on the other side of the wall, if any of these cables are available on both sides of the wall. | ||
| + | |||
| + | == Block Wi-Fi signal == | ||
| + | [[wikipedia:Mobile phone jammer|Jamming]] isn't lawful (in the USA at least), but these methods are: | ||
| + | * Paint with [[wikipedia:Radio frequency|RF]] shielding (e.g., [http://www.lessemf.com/paint.html Y-Shield], claimed attenuation of 40 dB per layer) | ||
| + | * [http://www.baesystems.com/ProductsServices/ss_tes_atc_adv_mat_stealthy.html Stealthy wallpaper] | ||
| + | * [http://www.tempestusa.com/DataStop.html RF shielding glass] | ||
| + | |||
| + | == Disable b Wi-Fi == | ||
| + | * Pro | ||
| + | * Con | ||
| + | * How | ||
| + | {{TODO}} | ||
== Roam seamlessly (using VPN) == | == Roam seamlessly (using VPN) == | ||
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== Make a Wi-Fi enclosure == | == Make a Wi-Fi enclosure == | ||
| + | {{TODO}} | ||
| + | |||
| + | == Hack Wi-Fi == | ||
{{TODO}} | {{TODO}} | ||
