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.Dd 2/10/14
.Dt cfilutil 1
.Os Darwin
.Sh NAME
.Nm cfilutil
.Nd Tool to exercise the content filter subsystem.
.Sh SYNOPSIS
.Nm
.Op Fl hilqsv
.Fl u Ar unit
.Op Fl a Ar offset
.Op Fl d Ar offset value
.Op Fl k Ar increment
.Op Fl m Ar length
.Op Fl p Ar offset
.Op Fl r Ar random
.Op Fl t Ar delay
.Sh DESCRIPTION
Use
.Nm
to exercise the content filter subsystem.
.Pp
The flags have the following meaning:
.Bl -tag -width -indent
.It Fl a Ar offset
Auto start filtering with given offset.
.It Fl a Ar offset value
Default values for offset passin, peekin, passout, peekout, pass or peek.
.It Fl h
Display this help.
.It Fl i
Interactive mode.
.It Fl k Ar increment
Peek mode with increment.
.It Fl l
Pass loopback traffic.
.It Fl m Ar length
Maximum dump length.
.It Fl p Ar offset
Pass mode (all or after given offset if it is > 0).
.It Fl q
Decrease verbosity.
.It Fl r Ar rate
Random drop rate.
.It Fl s
display content filter statistics (all, sock, filt, cfil).
.It Fl t Ar delay
Pass delay in microseconds.
.It Fl u Ar unit
NECP filter control unit.
.It Fl v
Increase verbosity.
.El
.Pp
.Sh SEE ALSO
.Xr neutil 1 \" rdar://16115914
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