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Network Security Zoning

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  • Network Security Zoning

    Network security zoning allows an organization to create and maintain a secure network environment and infrastructure by selecting proper security levels for each zone. This technique will aid in controlling and monitoring igress and egress traffic.

    Common implemented zones include:

    Internet Zone
    This is an uncontrolled zone because it is outside the boundary of the organization.

    Internet DMZ
    This is a controlled zone that provides a buffer between internal networks and the Internet.

    Production Network Zone
    This controlled zone is a restricted zone as it strictly controls direct access from uncontrolled zones.

    Intranet Zone
    This is a controlled zone that usually does not have heavy restrictions.

    Management Network Zone
    This is a critical secured zone with strict policies and controls.
    Certified Security Geek