openvas-feed-update
The openvas-feed-update
command is used to update the various feeds that OpenVAS relies on for vulnerability detection and network security analysis. This includes the Network Vulnerability Tests (NVTs), Security Content Automation Protocol (SCAP) data, and the CERT (Computer Emergency Response Team) data.
Basic Usage
To update all OpenVAS feeds, run the following command:
This command fetches the latest updates from the OpenVAS feed servers and applies them to your local installation.
Detailed Steps
Run the Command:
Fetching Updates: The command will begin downloading updates for the NVT, SCAP, and CERT feeds. You will see output indicating the progress of each feed update.
Example output:
Completion: Once the updates are complete, you will see a confirmation message indicating that all feeds have been successfully updated.
Scheduling Regular Updates
To ensure your OpenVAS feeds are always up to date, you can schedule regular updates using a cron job. For example, to schedule the feed update to run daily at midnight, add the following line to your crontab file:
Add the following line to the crontab:
This cron job ensures that the openvas-feed-update
command runs every day at midnight, keeping your feeds up to date.
Security Considerations
Regular Updates: Ensure that feed updates are performed regularly to protect against the latest vulnerabilities.
Network Access: Make sure the system running OpenVAS has network access to the OpenVAS feed servers to download updates.
Monitor Logs: Regularly monitor the update logs to ensure that updates are being applied successfully and to troubleshoot any issues that arise.
Conclusion
The openvas-feed-update
command is essential for maintaining the effectiveness of the OpenVAS vulnerability scanner. By keeping your NVT, SCAP, and CERT feeds up to date, you ensure that your vulnerability assessments are based on the latest security intelligence. Automating this process with a cron job can help maintain a secure and well-managed scanning environment.
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