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Title:

Network Design

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Cisco, Aruba, AirFortress. Clients (cards & s/w) 3eTi. Funk. Intel Centrino (built-in) ... Aruba, Air Defense, AirMagnet. Hand Scanners. Bumblebee (BV Systems) ... – PowerPoint PPT presentation

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Title: Network Design


1
Network Design
  • Whats Out There and What Do You Need?

2
Design Factors
  • How many users?
  • How close together are they? (user density)
  • How far apart are they? (cell width)
  • How much bandwidth are they expecting to use?
  • Whats it going to be used for?
  • Voice / video / email / surfing / other
  • Do you have appropriate policies in place?
  • Encryption?
  • Do you know the capabilities, limits,
    shortcomings and risk?
  • Does management?

3
Whats needed?
  • Access Points (or Bridges)
  • Antennas
  • Access Control
  • Floor plans (surveys!!)
  • Hand Scanners (surveys!!)
  • Intrusion Detection/Prevention
  • Cool stuff? (Underlying reason?)

4
Antennas
  • Omni
  • Uni-directional
  • Arrays
  • Weird (Tunable direction - Fidelity CommTech)
  • Note you get what you pay for!
  • Note dont pay for what you dont need!

5
Access Points
  • Consumer (Low) Grade
  • Linksys, DLink, NetGear
  • SOHO (indoor) Commercial Grade
  • Linksys, Meru, Cisco, Aruba
  • Outdoor Commercial Grade
  • Cisco, Aruba, AirFortress

6
Clients (cards s/w)
  • 3eTi
  • Funk
  • Intel Centrino (built-in)
  • Cisco
  • Linksys
  • DLink
  • NetGear
  • etc.
  • etc.

7
Encryption
  • WEP
  • WPA
  • WPATKIP
  • WPA2 (802.11i)
  • Cranite
  • AirFortress
  • Other?

8
Access Control
  • PKI (User? Equipment?)
  • Active Directory
  • RADIUS
  • Proprietary

9
Intrusion Detection/Prevention
  • Active v. Passive
  • Built-in/stand-alone
  • Pick a religion, any religion!
  • Wired
  • Affected by encryption
  • Aruba, ISS, Snort
  • Wireless
  • Not affected by encryption
  • Aruba, Air Defense, AirMagnet

10
Hand Scanners
  • Bumblebee (BV Systems)
  • AirMagnet Handheld (AirMagnet)
  • eEye Wireless Scanner (Free!)
  • AiroPeek NX (Wild Packets)(laptop)
  • Kismet (laptop and PDA)

11
Other
  • Laptop file system encryption (PointSec, Mobile
    Armor)
  • Personal firewalls (pick one)
  • Personal IDS sensors (AirDefense Personal)
  • Remote access (iPass)

12
Policy and Procedures
  • Get it in writing!
  • Get managements visible support!
  • Allowed who, what, where, when, how, and why?
  • Not allowed why not?
  • Whos responsible for what?
  • Whore you gonna call?
  • Put it in writing!

13
Cool (or not) stuff
  • Mac Book Pros
  • Spectrum Analyzers (Wi-Spy thru Cognio)
  • Wi-Fi
  • Bluetooth
  • Other sources in same band(s)
  • Toys (Vocera, Zipits, Nokia 770/800s)

14
Did I miss anything?(Hint Yes!)

15
People!
  • Training (All of your personnel!)
  • Operations (maintenance operation)
  • Procedure authors
  • Information Assurance (spot checks)
  • Certification and Accreditation
  • Policy authors
  • Incident Response (monitoring)
  • Policy Procedure authors
  • Lessons Learned authors

16
Questions?
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