If the Block mode is selected, the Firewall component filters network traffic using Firewall rules.
Firewall rules for applications control network connections for specified applications. The triggering criterion for these rules is based on the path to an executable application file.
Firewall port rules control network connections for specified ports and protocols (TCP / UDP). The triggering criteria for such rules are protocol type and port or port range.
Port rules involve a broader scope than application rules. By allowing network connections based on port rules, you lower the security level of the protected computer.
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