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Nessus Hardware Requirements

Enterprise networks can vary in performance, capacity, protocols, and overall activity. Resource requirements to consider for Nessus deployments include raw network speed, the size of the network being monitored, and the configuration of Nessus.

Nessus Hardware Requirements

Version

Installation Scenario

RAM

Processor

Hard Disk Space

6.5 - 6.10

 

Nessus scanning up to 50,000 hosts

2 GB (4 GB recommended)

1 dual-core, 2 GHz CPU

30 GB

Nessus scanning more than 50,000 hosts

2 GB (8 GB recommended)

1 dual-core, 2 GHz CPU (2 dual-core recommended)

30 GB (Additional space may be needed for reporting)

Nessus Manager with up to 30,000 agents

64 GB RAM

1 dual-core, 2GHz CPU

30 GB (Additional space may be needed for reporting)

Previous Versions

6.4

Scanning smaller networks

2 GB (4 GB recommended)

1 dual-core, 2GHz Intel CPU (dual-core Intel® for Mac OSX)

30 GB

Scanning large networks,

processing audit trails, and .pdf

report generation.

3 - 4 GB (8 GB recommended)

1 dual-core, 2GHz Intel CPU (2 dual-core recommended)

30 GB

Virtual Machines

Nessus can be installed on a Virtual Machine that meets the same requirements specified. If your virtual machine is using Network Address Translation (NAT) to reach the network, many of the Nessus vulnerability checks, host enumeration, and operating system identification are negatively affected.

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