.\" This manual is Copyright 2012 by pi-rho <ubuntu@tyr.cx>
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.
.Dd March 3, 2012
.Dt P4SPLIT 1
.Os "Network Reverse Engineering Toolkit"
.Sh NAME
.Nm p4split
.Nd split a PCAP based on CIDR filter
.
.Sh SYNOPSIS
.Nm p4split
.Oo Fl h | Fl v Oc
.Nm p4split
.Op Fl i Pa input.pcap
.Ao CIDR filter Ac
.
.Sh DESCRIPTION
The basic concept for this utility is to filter and split a PCAP packet capture
file into smaller files. This utility will create up to 256 smaller files.
.
.Sh USAGE
As a filter
.D1 ... | Nm p4split 192.168.1.0/24
.Pp
Command mode
.D1 Nm p4split Fl i Pa big.pcap Ad 192.168.1.0/24
.
.Sh OPTIONS
A summary of the options supported by
.Nm
is included below.
.Bl -tag -width Ds
.It Fl h
usage information
.It Fl v
the program's version
.It Fl i Pa input.pcap
.Pa input.pcap
is used as input, instead of stdin
.It Ao CIDR filter Ac
A filter in CIDR notation (ad.dre.ss/subnet-bits)
.El
.
.Sh SEE ALSO
.Xr pmerge 1 ,
.Xr puniq 1
.
.Sh AUTHORS
.An Zephyr Aq Ad zephyr@dirtbags.net ,
.An pi-rho Aq Ad pi-rho@tyr.cx