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About PVS Plugins
PVS has two sources of plugin information: the
.prm plugin libraries in the
Tenable distributes its passive vulnerability plugin database in an encrypted format. The encrypted file is named
tenable_plugins.prmx and, if necessary, can be updated daily. PVS plugins written by the customer or third parties have the
Tenable has also implemented passive fingerprinting technology based on the open-source
SinFP tool. With permission from the author, Tenable includes the database of passive operating system fingerprints for the fingerprinting technology in this distribution of PVS.
Writing Custom Plugins
PVS customers can write their own passive plugins, which are added into the
plugins directory in the PVS installation directory. The plugin must end with a
.prm extension to be visible by PVS.
You must restart PVS if:
- You add a new custom plugin to the
pluginsdirectory. PVS does not fire the plugin until you restart.
- You delete a
.prmfile manually from the
pluginsdirectory. PVS continues to fire the plugin until you restart.