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DSL/CableModem Internet Gateway Detection

Medium

Synopsis

The remote host is running an inherently insecure protocol or application.

Description

The remote host is advertising Internet Gateway Services. This is common in many off-the-shelf cable modem or DSL modem hardware. On a production network, such a device may be inadvertently introducing risk due to a multi-homing of the internal network.

Solution

Ensure that such devices are allowed by corporate policies and guidelines.