eScan's in-built firewall monitors and logs both incoming and outgoing network activities in the system. .It is designed to monitor all incoming and outgoing network traffic with packet filtering for IPv4 and IPv6, and protects your computer from all types of network-based attacks.

eScan includes a set of predefined access control rules that you can remove or customize as per your requirements. These rules enforce a boundary between your computer and the network.

There are different set of rules such as Trojan Rule, Zone Rule, Expert Rule, Application Rule, Trusted MAC Address and Local IP List that can be used to either allow/block any incoming and outgoing traffic.