| Subclasses according to Stallings06. |
| •owl:Thing |
| •sec:Countermeasure |
| •sec:AccessControlMechanism |
| •sec:Firewall |
| •sec:Monitoring |
| •sec:Firewall |
| sec:protects ONLY (sec:_Prevention AND (((sec:_Confidentiality OR sec:_Availability OR sec:_Integrity) AND (sec:_Host OR sec:_Intranet)) OR (sec:_PolicyCompliance AND sec:_DataInTransit))) |
| sec:Monitoring |
| sec:protects SOME ((sec:_Confidentiality OR sec:_Availability OR sec:_Integrity) AND (sec:_Host OR sec:_Intranet)) |
| sec:protects SOME sec:_Prevention |
| sec:AccessControlMechanism |
| sec:protects SOME (sec:_PolicyCompliance AND sec:_DataInTransit) |
| dc:description | A system designed to control the passage of information from one network into a second network. Typically a firewall will be used as a means of reducing the risk of unwanted access to sensitive systems, where one carefully regulated network contains the sensitive systems and is connected to a larger less-regulated network. (ODoC) |
| dc:description | Systems that act as a gateway between two networks to enforce an access policy. (ISD) |
Class(sec:Firewall partial restriction(sec:protects allValuesFrom(intersectionOf(sec:_Prevention
unionOf(intersectionOf(unionOf(sec:_Confidentiality
sec:_Availability
sec:_Integrity)
unionOf(sec:_Host
sec:_Intranet))
intersectionOf(sec:_PolicyCompliance
sec:_DataInTransit)))))
sec:Monitoring
restriction(sec:protects someValuesFrom(intersectionOf(unionOf(sec:_Confidentiality
sec:_Availability
sec:_Integrity)
unionOf(sec:_Host
sec:_Intranet))))
restriction(sec:protects someValuesFrom(sec:_Prevention))
sec:AccessControlMechanism
restriction(sec:protects someValuesFrom(intersectionOf(sec:_PolicyCompliance
sec:_DataInTransit))))