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dhcpd-detetctor's Introduction

DHCPd Detector

Useful tool for sniffing DHCP Server on specified Interface

How to use

python dhcpd_detector.py [--config <filename>.cfg]

Configure

Override your custom settings by config option(ini form), here are the default values

[detector]
if_name = eth0
timeout = 3
mac     = 08002779d69c

How to Test

sudo dhcpd_detector -c /etc/sysconfig/dhcpd_detector.cfg

How to Debug

tcpdump -i eth2 -vvv -s 1500 '((port 67 or port 68) and (udp[38:4] = 0x2779d69c))'

Runtime Requirement

  1. only tested on GNU/Linux
  2. Python 2.6+

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