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+This module matches on ICMP-specific fields.
+.TP
+.BI "--icmp-type " "TYPE"
+ICMP Type. Has to be specified numerically.
+.TP
+.BI "--icmp-code " "CODE"
+ICMP Code. Has to be specified numerically.
+.TP
+.BI "--icmp-id " "ID"
+ICMP Id. Has to be specified numerically.