Information Technology Reference
In-Depth Information
NetStumbler
identifies wireless networks using 802.11a/b/g wireless LAN (WLAN)
standards with or without service set identifier (SSID) being broadcast. NetStumbler
runs on Microsoft Windows-based platforms, including Windows Mobile.
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Kismet
is an 802.11 wireless sniffer and intrusion detection system (IDS) application
that can collect traffic from 802.11a/b/g/n networks. Kismet collects packets and de-
tects wireless networks even when they are hidden.
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Figure 12-1 shows NMAP scanning several hosts that have different operating systems.
This particular scan displays the IP address, open ports, services, device type, and OS
details.
Figure 12-1
NMAP: Scanning Several Hosts
Vulnerability Scanners
Vulnerabilit y s c anner s deter mine what potent ial ex po s ure s are pre s ent in the net work.
Passive scanning tools are used to analyze the traffic flowing on the network. Active test-
ing injects sample traffic onto the network. Here are some various sources for published
vulnerability information:
CERT CC:
www.cert.org
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MITRE:
www.cve.mitre.org
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Cisco Security Notices:
www.cisco.com/en/US/products/products_security_
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