The firewall implementation must enforce information flow control using organizationally defined security policy filters as a basis for flow control decisions.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
SRG-NET-000033-FW-000029	SRG-NET-000033-FW-000029	SRG-NET-000033-FW-000029_rule		Medium

Description

Information flow control regulates where information is allowed to travel within a network and between interconnected networks. The flow of all network traffic must be monitored and controlled, so it does not introduce any unacceptable risk to the network infrastructure or data. Restrictions can be enforced based on source and destination IP addresses, as well as the ports and services being requested using security policy filters.

STIG	Date
Firewall Security Requirements Guide	2012-12-10

Details

Check Text ( C-SRG-NET-000033-FW-000029_chk )
Examine the network configuration on the firewall. Verify restrictions are based on security filters, such as source and destination IP, application or services used as a basis for information flow. If non-explicit items like server name or MAC addresses are used for information flow control, this is a finding.

Fix Text (F-SRG-NET-000033-FW-000029_fix)
Configure the firewall implementation to enforce information flow control based on IP address or port/service used.