December 28th, 2007
192.168.0.1
192.168.0.1 is a private IP address used in home and business networks. Devices with this IP address or other private addresses can not use the Internet without going through a router/NAT device that presents connections from this private IP address as a public Internet address.
Private IP Address Ranges
Private IP addresses are in the following ranges.
From [...]
Filed under: WLAN Troubleshooting
December 26th, 2007
Hidden Wireless Networks
Access points (APs) advertise their capabilities several times per second by broadcasting beacon frames that carry the Service Set Identifier (SSID) of the wireless network. Commercial grade access points can be configured to advertise multiple SSIDs/networks. SOHO class access points typically only allow a single SSID to be configured. A hidden wireless network [...]
Filed under: How To Guides, WLAN Security
December 22nd, 2007
Enterprise Wireless LAN Design
Designing an enterprise class WLAN is not a trivial task. If designed incorrectly the WLAN will have coverage gaps and capacity issues. Outlined below are steps that should be followed when designing an enterprise class WLAN.
Requirements Gathering
One of the biggest mistakes made by IT professionals is to focus on WLAN signal coverage [...]
Filed under: WLAN Design
December 11th, 2007
NetStumbler
NetStumbler (also known as Network Stumbler) is a free/”beggarware” tool for Windows that can detect WiFi/Wireless LANs using the 802.11b, 802.11a and 802.11g WLAN standards.
NetStumbler is commonly used for:
Recreational WarDriving
Verifying network configurations
Finding locations with poor coverage in one’s WLAN
Detecting causes of wireless interference
Detecting unauthorized (”rogue”) access points
Aiming directional antennas for long-haul [...]
Filed under: WLAN Tools
December 8th, 2007
History of tsunami SSID
“tsunami” is the default SSID for Cisco Aironet access points prior to IOS Release 12.3(4)JA. In addition to shipping with tsunami as the default SSID all versions earlier than 12.3(4)JA shipped with the 802.11 radio enabled and in some cases a default IP address (10.0.0.1) for the ethernet interface if DHCP isn’t [...]
Filed under: WLAN Security
December 6th, 2007
NetStumbler
NetStumbler (also known as Network Stumbler) is a free/”beggarware” tool for Windows that can detect WiFi/Wireless LANs using the 802.11b, 802.11a and 802.11g WLAN standards.
The current version is 0.4.0 and was released on April 21, 2004 and doesn’t officially work on Windows Vista (or 64-bit Windows XP).
Luckily, the “netsh” command can be used to discover [...]
Filed under: WLAN Tools
December 5th, 2007
To copy your WinSCP sessions from a Windows XP to another Windows XP machine use below.
To export saved sessions to a file run below in the Windows XP run box (Start -> Run and then type copy/paste entire line below into box and hit return)
regedit /e winscp.reg “HKEY_CURRENT_USER\Software\Martin Prikryl\WinSCP 2\Sessions”
The winscp.reg file will be saved [...]
Filed under: How To Guides
December 2nd, 2007
192.168.1.1
192.168.1.1 is a private IP address used in home and business networks. Devices with this IP address or other private addresses can not use the Internet without going through a router/NAT device that presents connections from this private IP address as a public Internet address.
Private IP Address Ranges
Private IP addresses are in the following ranges.
From [...]
Filed under: WLAN Troubleshooting
December 1st, 2007
Devcon Utility
Enabling or disabling wireless networking or any connection can be done using a batch file and the devcon utility in Windows XP.
Batch Files and Command Line
Below is a summary of the posts that provide information on how to enable/disable wireless networking using batch files.
Enable/Disable Wireless Cards Using Command Line
Disabling Wireless Connection On Startup/Shutdown Using [...]
Filed under: How To Guides