4 Ways to Improve Nessus Scans Through Firewalls
by Seth Matheson on December 18, 2020
Establishing the right configurations and settings can improve Nessus scan results when scanning through firewalls.
Of all the factors that can inhibit a successful Nessus scan — busy systems, congested networks, legacy systems, hosts with large amounts of listening services — firewalls (and other types of filtering devices) are one of the major causes of slow or inaccurate scans. Network-based firewalls are essential for an organization’s perimeter protection and internal network segregation, while host-based firewalls are common on both Linux and Windows systems.