15.1. General Security Issues for Broadband Services

Several issues exist for all mass-deployed broadband services:

  • Services are always connected.

  • Users can be naive.

  • Networks in homes and businesses are becoming increasingly complex.

  • Broadband users have more complex interactions with the networks of others.

15.1.1. Problems Raised by an Always-connected Service

Unlike dial-up connections to the Internet, DSL connections are likely to be always connected to the wide area resource. This opens the user from the home or small business to a number of attacks that are less likely in the traditional environment of intermittent connections.

In a dial-up environment, the IP address of the user's system is not static, as it is typically assigned anew from ...

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