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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
21 program, so the reader is referred to the
23 manpage for a complete description of the capabilities of
27 The following options in the kernel configuration file are related to
30 Options in the kernel configuration file:
31 .Bl -tag -width ".Cd options IPFIREWALL_VERBOSE_LIMIT"
32 .It Cd options IPFIREWALL
35 .It Cd options IPFIREWALL_VERBOSE
36 enable firewall logging
37 .It Cd options IPFIREWALL_VERBOSE_LIMIT
38 limit firewall logging
39 .It Cd options IPDIVERT