Critical vulnerability in all versions of Linux.

Critical vulnerability in all versions of Linux. Please check with your vendor for updates and plan to apply patches as soon as possible. For more information, see: https://xint.io/blog/copy-fail-linux-distributions

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YALE-MSS-12.2: Use a network firewall to control traffic

Standards Group:
YALE-MSS-12: Intrusion Detection

YALE-MSS-12.2: Use a network firewall to control traffic

Low Risk Endpoint Not Required Moderate Risk Endpoint Not Required High Risk Endpoint Not Required Low Risk Server Required Moderate Risk Server Required High Risk Server Required Low Risk Mobile Device Not Required Moderate Risk Mobile Device Not Required High Risk Mobile Device Not Required Low Risk Network Printer Not Required Moderate Risk Network Printer Not Required High Risk Network Printer Not Required

Details

A network firewall is an appliance that can be used to control traffic and reduce the overall attack surface.

A network firewall can be combined with a host based firewall for added security.

Restrict all ports, protocols, services, and sources/destinations except for those that are required for the system to function. Document this information.

Log and control inbound and outbound traffic to protect against potential threats.

This standard is met if your system is deployed on the University network.