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Nessus is a proprietary vulnerability scanner available free of charge for personal use. There are over 40,000 plugins covering a large range of both local and remote flaws.


Install the nessusAUR package.


Start/enable nessusd.service.

Access the web interface at https://localhost:8834 and/or use the commandline interface (/opt/nessus/sbin/nessuscli). In most browsers, you will need to manually accept the SSL certificate you created for the server.


Register your email at the tenable site and wait for your key to be emailed to you.

Stop nessusd.service before doing anything with nessuscli.

Activate the license:

# nessuscli fetch --register Activation Code

View your current license activation code:

# nessuscli fetch --code-in-use

Plugins update

Stop nessusd.service before doing anything with nessuscli.

Update the plugins:

# nessuscli update --plugins-only


The package can be removed with pacman, but files created by Nessus, such as the plugin database it downloads, must be removed manually:

Note: This will delete your Nessus configuration files.
# rm -r /opt/nessus

See also