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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.

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Vulnerability Assessment Details

Remote host on same physical but not logical network

Vulnerability Assessment Summary
Performs an ARP who-is on the remote host

Detailed Explanation for this Vulnerability Assessment

Summary :

The physical network is set up in a potentially insecure way.

Description :

The remote host is on a different logical network. However, it is
on the same physical subnet.

A possible hacker connecting from the same network as your Nessus
scanner is on could reconfigure his system to force it
to belong to the subnet of the remote host.

This makes any filtering between the two subnets useless.

Solution :

Use VLANs to separate different logical networks.

Network Security Threat Level:

Low

Networks Security ID:

Vulnerability Assessment Copyright: This script is Copyright (C) 2007 Tenable Network Security

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