how to cheat at securing a wireless network phần 4 pot

... authenticate a device or user prior to using a physical port on a switch. Figure 4. 12 shows three workstations that are able to communicate on the wired network, and a rogue access point that is not.As ... logs the incident. It can generate an SNMP trap -to- management station alerting the administrator of a violation. It can also send a syslog message and increase the viol...

Ngày tải lên: 14/08/2014, 18:22

... interpreted at a later date. Monitoring applications in use today include NASA listening to space for radio signals, and receiving pictures and data relayed from probes; weather satellites moni- toring ... the weather patterns; and geologists using radio waves to gather information on earthquakes. Applying Wireless Technology to Horizontal Applications Along with the many vertica...

Ngày tải lên: 14/08/2014, 18:22

... who the anticipated end users are, and what their anticipated applications and traffic patterns are. ■ Operations, Management, Provisioning, and Administration Requirements These identify how the ... distinct channels within that wireless topology. Similarly, adjacent channel spacing and active channel separation play an important role when planning and deploying a wireless network....

Ngày tải lên: 14/08/2014, 18:22

... OFDM allows data rates of 6, 9, 12, 18, 24, 36, 48 , and 54 Mbps. In addition to speed enhancements, 802.11g hardware is backward compatible with 802.11b hardware.The backward compatibility feature ... you can easily uncloak the SSID and authenticate to the access point. As mentioned earlier in the station services section, the AP also can authenticate a wireless device against a...

Ngày tải lên: 14/08/2014, 18:22

... signal strength and denial of service (DoS) attacks can all dramatically affect your availability. In the past, for an attacker to perform a denial of service attack against your internal network, ... likely an attacker can safely snoop on your network. Safely, in this case, means that an attacker doesn’t need to worry about being seen in an unusual place with a laptop. For example,...

Ngày tải lên: 14/08/2014, 18:22

... http://hostap.epitest.fi/wpa_supplicant/. Download the file wpa_supplicant-0 .4. 9.tar.gz to your local host. Open a command prompt and change to the directory that contains the installation package. Untar ... connect to a WPA encrypted net- work is to use the wpa_supplicant open-source application.The wpa_supplicant is installed as a daemon that runs as a background process. I...

Ngày tải lên: 14/08/2014, 18:22

... 5 gigabyte hard drive, a high-gain patch antenna, and a battery large enough to run the drop box for two days.The front of box contained a Plexiglas cutout that allowed the patch antenna to point ... security measure that you should take. Any attacker with a “default” configuration profile is able to associate with an access point that has a default SSID. Assigning a unique SS...

Ngày tải lên: 14/08/2014, 18:22

... until an employee can stock the merchandise.The warehouse also contains the company office, where the administrators run the store’s accounting software and track employee database information.As ... media access control (MAC) addresses on the data port. Designing & Planning… Other Antenna and Access Point Bridge Placements There are several methods of placing antennas to have full cover...

Ngày tải lên: 14/08/2014, 18:22

... can be deployed with wireless net- works, there are ways to attack many of them. Vulnerabilities associated with WEP, WPA, and LEAP are well known. Although there are tools to automate these attacks, to ... wireless networks are deployed in a manner that can allow an attacker (or a penetration tester) to bypass the security mechanisms of the VPN. Attacks Although several diffe...

Ngày tải lên: 14/08/2014, 18:22

... 340 – 343 infrastructure BSS, 235 infrastructure network, 258 An Initial Security Analysis of the IEEE 802.1x Standard (Arbaugh and Mishra), 76 INMARSAT (International Maritime Satellite Organization), ... job a bit easier since we can send a deauthentication flood and force these clients to reassociate to the network, allowing us to capture the four-way EAPOL handshake .To acco...

Ngày tải lên: 14/08/2014, 18:22