| Error Message | Likely Cause | Solution | |---------------|--------------|----------| | “403 Forbidden” | Invalid credentials or expired license | Renew Nessus subscription; generate an API key. | | “File not found” | Wrong URL or plugin version mismatch | Ensure “all20” matches your Nessus major version (e.g., Nessus 8.x uses “all-20”). | | “gzip: stdin: unexpected end of file” | Corrupted download | Delete file, re-download, use wget -c to resume. | | “Plugin database mismatch” | Mixed old + new plugins | Run: nessuscli repair --plugins after update. | | “Permission denied” | Incorrect file ownership | On Linux: chown nessus:nessus nessusupdateplugins-all20.tar.gz |
get_plugin_url() local plugin_file="nessus-update-plugins-$PLUGIN_VERSION.tar.gz" download nessusupdateplugins all20targz top
You can manually update plugins on an offline Tenable Nessus system in two ways: the user interface or the command line interface. Update Tenable Nessus Manager Plugins on an Offline System | Error Message | Likely Cause | Solution
For automation or headless servers: