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type: u32 help: TCP FIN-WAIT timeout in seconds default: 120 val_help: u32:1-21474836; TCP FIN-WAIT timeout in seconds syntax:expression: ($VAR(@) >= 1 && $VAR(@) <= 21474836) ; "Value must be between 1 and 21474836" update: sudo sysctl -q -w net/netfilter/nf_conntrack_tcp_timeout_fin_wait=$VAR(@) delete: sudo sysctl -q -w net/netfilter/nf_conntrack_tcp_timeout_fin_wait=120