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Table 4 Action constraint generating strategies (Hu et al. 2012)

From: Ant colony optimization-based firewall anomaly mitigation engine

Strategy

Action constraint

Deny-override

Action = “deny”

Allow-override

Action = “ALLOW”

Recency-override

Action of newest rule

Specificity-override

Action of most-specific rule

High-majority-override

Action of rules with greater number than opposite rules

First-match-override

Action of first-matched rule

High-authority-override

Action of rule with highest authority