.TH "DNSSCOPE" "1" "September 2012" "" ""
.SH NAME
.PP
\f[B]dnsscope\f[] \- A PowerDNS nameserver debugging tool
.SH SYNOPSIS
.PP
\f[B]dnsscope\f[] [\f[I]OPTION\f[]]...
\f[I]INFILE\f[]
.SH DESCRIPTION
.PP
\f[B]dnsscope\f[] takes an \f[I]INFILE\f[] in PCAP format.
It generates some simple statistics outputs these to STDOUT.
.SH OPTIONS
.TP
.B INFILE
Path to a PCAP file.
.RS
.RE
.TP
.B \-h | \-\-help
Show the help.
.RS
.RE
.TP
.B \-\-rd
Only process packets in \f[I]INFILE\f[] with the RD (Recursion Desired)
flag set.
By default, we process all DNS packets in \f[I]INFILE\f[].
.RS
.RE
.TP
.B \-\-ipv4
Process IPv4 packets.
On by default, disable with \f[B]\-\-ipv4 false\f[].
.RS
.RE
.TP
.B \-\-ipv6
Process IPv6 packets.
On by default, disable with \f[B]\-\-ipv6 false\f[].
.RS
.RE
.TP
.B \-\-servfail\-tree
Figure out subtrees that generate servfails.
.RS
.RE
.TP
.B \-l | \-\-load\-stats
Emit per\-second load statistics (questions, answers, outstanding).
.RS
.RE
.TP
.B \-w | \-\-write\-failures \f[I]FILENAME\f[]
Write weird packets to a PCAP file at \f[I]FILENAME\f[].
.RS
.RE
.TP
.B \-v | \-\-verbose
Be more verbose.
.RS
.RE
.SH SEE ALSO
.PP
pcap(3PCAP), tcpdump(8)
.SH AUTHORS
Joerg Jungermann (jj+debian At borkum.net).