The firewall implementation must monitor and control traffic at both the external and internal boundary interfaces.

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The firewall implementation must monitor and control traffic at both the external and internal boundary interfaces.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
SRG-NET-000205-FW-000129	SRG-NET-000205-FW-000129	SRG-NET-000205-FW-000129_rule		Medium

Description
Monitoring and controlling both inbound and outbound network traffic adds a layer of protection to the enclave. Blocking harmful inbound and outbound traffic can also prevent the network from being used as the source of an attack.

STIG	Date
Firewall Security Requirements Guide	2012-12-10

Details

Check Text ( C-SRG-NET-000205-FW-000129_chk )
Verify a firewall is configured to monitor traffic from both internal and external interfaces. Verify ACLs or policy filters exist to detect harmful traffic on both the external and internal boundary interfaces. If ACLs or policy filters do not exist to monitor and control traffic at both the external and internal boundary interfaces, this is a finding.

Fix Text (F-SRG-NET-000205-FW-000129_fix)
Configure the firewall implementation with ACLs or policy filters to monitor and control traffic at both the external and internal boundary interfaces.