2024年1月15日发(作者：)
Nessus Activation Code Installation
After purchasing a commercial Nessus feed via the Tenable web site, channel partner, or your sales representative, you
will receive an email receipt containing the purchase order number, Activation Code, and expiration date.
Getting Started
Thank you for purchasing your Nessus subscription!
With Nessus 5.2, you can temporarily activate the product during the installation process. For commercial users, this will
only serve as a short-term trial. You must activate your Activation Code for the Nessus Subscription from either your
Tenable Support Portal account for the commercial version of Nessus or via your registration email. You must subscribe
to the commercial version to use Nessus in a professional environment even if it is not directly for commercial purposes.
This includes scanning your desktop at work or a home computer that is used for business purposes. Please review the
Subscription Agreement for more details on the type of subscription for which you are qualified.
Note that you can only use your Activation Code for one scanner, unless the scanners are managed by SecurityCenter.
Scanner activation is performed through a web interface during the installation process.
Note that, by default, Nessus will attempt to update its plugins every 24 hours after you have registered it. If you do not
want such an update attempted, edit the “auto_update” setting to “no” under Configuration -> Advanced within the
Nessus GUI.
Nessus without Internet Access
If your Nessus installation cannot reach the Internet directly, use the following procedure to register and update plugins:
On the system running Nessus, type the following command:
Platform
Linux
FreeBSD
Mac OS X
Windows
Command to Run
# /opt/nessus/bin/nessus-fetch –-challenge
# /usr/local/nessus/bin/nessus-fetch –-challenge
# /Library/Nessus/run/bin/nessus-fetch --challenge
C:Program FilesTenableNessus>nessus-fetch --challenge
This will produce a string called “challenge” that looks similar to following:
569ccd9ac72ab3a62a3115a945ef8e710c0d73b8
Next, go to / and paste the “challenge” string as well as the Activation Code that you
received previously into the appropriate text boxes. This will produce a URL that will give you direct access to the Nessus
plugins. Save this URL because you will use it every time you update your plugins. In addition, it will produce a file
called . Copy this file to the host running Nessus in the appropriate directory:
Platform
Linux
FreeBSD
Mac OS X
Windows
Directory
# /opt/nessus/etc/nessus/
# /usr/local/nessus/etc/nessus
# /Library/Nessus/run/etc/nessus
C:Program FilesTenableNessusconf
Once the file has been copied, run the nessus-fetch command to install the file:
Platform
Linux
FreeBSD
Mac OS X
Windows
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Directory
# /opt/nessus/bin/nessus-fetch --register-offline
/opt/nessus/etc/nessus/
# /usr/local/nessus/bin/nessus-fetch --register-offline
/usr/local/nessus/etc/nessus/
# /Library/Nessus/run/bin/nessus-fetch --register-offline
/Library/Nessus/run/etc/nessus/
C:Program FilesTenableNessus> --register-offline
"C:Program "
You can obtain the newest plugins by going to the URL that was provided in the previous step. Here, you will receive a
TAR file (e.g., ). Copy the file to the Nessus scanner system and then type the appropriate command
for your platform:
Platform
Linux
FreeBSD
Mac OS X
Windows
Command
# /opt/nessus/sbin/nessus-update-plugins
# /usr/local/nessus/sbin/nessus-update-plugins
# /Library/Nessus/run/sbin/nessus-update-plugins
C:Program FilesTenableNessus>nessus-update-plugins
Resetting Activation Code
If for some reason you receive an error (such as “Code in Use”) regarding your Activation Code through the Nessus
scanner (perhaps caused by a hardware crash, moving the scanner to a new host, software upgrade, or installation
difficulties), you can reset your commercial Activation Code from your Tenable Support Portal account. If you are using
an evaluation copy of Nessus, you will have to register for and obtain a new activation code.
To reset your code from your Tenable Support Portal account, go to “Activation Codes”, click on “+” to display the
Activation Code, and then click on “x” under the reset column for the code you want to reset. Once your code has
been reset, you will need to re-register your scanner to receive plugins. Please view the Nessus 5.2 Installation and
Configuration Guide for more information. Read more about Tenable Support Portal features here.
Using Nessus with the SecurityCenter
If you are using Tenable’s SecurityCenter, the Activation Code and plugin updates are managed from SecurityCenter.
Nessus needs to be configured appropriately to communicate with SecurityCenter. When performing the installation of
the Nessus scanner, when prompted for the Plugin Feed Registration noted above, enter “SecurityCenter” as your
Activation Code.
Please refer to the SecurityCenter documentation for the configuration of a centralized plugin feed for multiple Nessus
scanners.
If you have any questions, feel free to request help using email support from the Tenable Support Portal, post a question
to the Nessus Discussion Forums, or review the Nessus documentation.
Best Regards,
The Tenable Network Security Team
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About Tenable Network Security
Tenable Network Security, the leader in Unified Security Monitoring, is the source of the Nessus vulnerability scanner and
the creator of enterprise-class, agentless solutions for the continuous monitoring of vulnerabilities, configuration
weaknesses, data leakage, log management, and compromise detection to help ensure network security and FDCC,
FISMA, SANS CSIS, and PCI compliance. Tenable’s award-winning products are utilized by many Global 2000
organizations and Government agencies to proactively minimize network risk. For more information, please visit
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Tenable Network Security
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Columbia, MD 21046
410.872.0555
Copyright © 2013. Tenable Network Security, Inc. All rights reserved. Tenable Network Security and Nessus are registered trademarks of Tenable Network Security, Inc.
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