Skip to content
ATO Pathways
Log In
Overview
Search
Catalogs
SCAP
OSCAL
Catalogs
Profiles
Documents
References
Knowledge Base
Platform Documentation
Compliance Dictionary
Platform Changelog
About
Catalogs
XCCDF
IBM zVM Using CA VM:Secure Security Technical Implementation Guide
SRG-OS-000480-GPOS-00227
IBM z/VM must be protected by an external firewall that has a deny-all, allow-by-exception policy.
IBM z/VM must be protected by an external firewall that has a deny-all, allow-by-exception policy.
An XCCDF Rule
Details
Profiles
Prose
IBM z/VM must be protected by an external firewall that has a deny-all, allow-by-exception policy.
Medium Severity
<VulnDiscussion>Firewalls protect computers from network attacks by blocking or limiting access to open network ports. Firewalls provide monitoring and control of communications at the external boundary of an information system to prevent and detect malicious and other unauthorized communications.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>