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10 .Nd IP packet filter and traffic accounting
13 is a system facility which allows filtering,
14 redirecting, and other operations on IP packets travelling through
17 The user interface for
23 The following options in the kernel configuration file are related to
26 Options in the kernel configuration file:
27 .Bl -tag -width ".Cd options IPFIREWALL_VERBOSE_LIMIT"
28 .It Cd options IPFIREWALL
31 .It Cd options IPFIREWALL_VERBOSE
32 enable firewall logging
33 .It Cd options IPFIREWALL_VERBOSE_LIMIT
34 limit firewall logging
35 .It Cd options IPDIVERT