January 18, 2012

1.2.11 Prevent Network Bridging by Network Separation

Network bridging occurs when a device has more than one network adapter card installed and the opportunity presents itself for a user on one of the networks to which the device is attached to jump to the other.

When a server has multiple network interface cards (NICs), server is referred to known as multihomed hosts).
To prevent network bridging, you can configure your network such that when bridging is detected, you shut off/disable that jack. You can also create profiles that allow for only one interface.
  • CompTIA Security+ Study Guide: Exam SY0-301, Fifth Edition by Emmett Dulaney
  • CompTIA Security+ Review Guide: Exam SY0-301, Second Edition by James M. Stewart

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