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Effective Security Measures with Personal Wireless Routers

Learn how personal wireless routers can safeguard your computer by hiding it from external threats, protecting against worms and intrusions, and preventing port scans. Enhance your cybersecurity with NAT, DHCP, port forwarding, wireless security, and more!

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Effective Security Measures with Personal Wireless Routers

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  1. Arthur C. Clarke December 16, 1917 – March 19, 2008

  2. Came up with the concept of the communications satellite in 1942 • Never took out a patent • Well know Science Fiction writer of the “Golden Age” • 2001 a Space Odyssey • Rendezvous with Rama

  3. Personal Wireless Routers • Probably your most cost effective security measure • Hides your computer completely from the outside world • Protects you from most worms, and intrusions • Protects you from port scans • Does not expose vulnerable services to the internet

  4. Personal Routers • With some broadband providers, you must buy the modem. Verizon DSL is an example • In this case, it makes good sense to buy a modem that is a router/AP • Some providers give you a modem which can connect to your computer • The router you buy should connect between the modem and the computer • Typically this means a router that takes ethernet as input.

  5. Personal Routers • Even the cheapest routers provide; • Network Address Translation NAT • DHCP • Port forwarding • Wireless security • MAC address restriction • WEP and WPA • More money buys more feature • Better integration with Windows

  6. Personal Routers • Most vendors use local addresses for the internal network • Almost universally, the addresses are in the pool 192.168.1.* • To communicate with the router, your IP address needs to be in this range • DHCP, or the setup software should handle this • Most router/APs can only be programmed via one of the ethernet ports.

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