Here’s how to install dnssnarf on ubuntu 13.04.
about dnssnarf
# tail -1 /etc/lsb-release
DISTRIB_DESCRIPTION="Ubuntu 13.04"
# uname -ri
3.8.0-19-generic x86_64
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install dnssnarf via git.
# git clone https://github.com/Cysource/DNSsnarf.git
Cloning into 'DNSsnarf'...
# cd DNSsnarf/
# make
# make install
# ls /usr/bin/dnssnarf*
/usr/bin/dnssnarf /usr/bin/dnssnarfclient
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start dnssnarf daemon.
# /usr/bin/dnssnarf --help
/usr/bin/dnssnarf: invalid option -- '-'
Usage: /usr/bin/dnssnarf [options]
Available Options:
-f : Foreground mode
-i : Device selection (-i eth9)
-s : State file location (-s /path/to/state.bin)
-p : PID file location (-p /var/run/dnssnarf.pid)
# /usr/bin/dnssnarf -i eth0
# dnssnarf: started.
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do some name resolution.
# dig @<etg0’s IP> foo.bar a
…
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get DNS statistics.
# /usr/bin/dnssnarfclient
Usage : /usr/bin/dnssnarfclient <options>
Options : -r RECORDTYPE
-q Count of incoming packets
-a Count of outgoing packets
-t Combined count
# /usr/bin/dnssnarfclient -r A -q
26
# /usr/bin/dnssnarfclient -r A -a
43
# /usr/bin/dnssnarfclient -r A -t
69
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# /usr/bin/dnssnarfclient -r AAAA -q
6
# /usr/bin/dnssnarfclient -r MX -q
4
# /usr/bin/dnssnarfclient -r TXT -q
4
# /usr/bin/dnssnarfclient -r PTR -q
8
# /usr/bin/dnssnarfclient -r A -q
5e7
# python
Python 2.7.4 (default, Apr 19 2013, 18:28:01)
[GCC 4.7.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> 0x5e7
1511
>>>
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