Jason is the local network administrator who has been tasked with securing the network from possible dos attacks. within the last few weeks, some traffic logs appear to have internal clients making requests from outside the internal lan. based on the traffic jason has been seeing, what action should he take?

Implementing ingress filtering.

Explanation: Ingress filtering is the method that is deployed for checking whether the data packets arriving at the destination are actually coming from the claimed source or not.They helps in the prevention of the unwanted traffic in the network paths.

This techniques is used by internet service providers, enterprises and other organization for the protection from malicious traffic. This mechanism can also behave as the packet filtering device.Thus,Jason should use ingress filtering for maintaining security of the local network from any attack.