UDP Sniffer

#!/usr/bin/env python3.4

import socket
from struct import *
import logging

eth = 'enp2s0'

s = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_UDP)
s.setsockopt(socket.SOL_SOCKET, 25, eth)


while True:
    packet = s.recvfrom(65565)
    packet = packet[0]
    version_ihl = packet[0]
    ihl = version_ihl & 0xF
    offset = ihl * 4

    header = packet[offset:offset+6]
    print(header)
    src_port, dst_port, uhl = unpack('!HHH', header)
    print('Source Port : ', src_port, ' Dest Port : ', dst_port)
    data = packet[offset+8:offset+uhl]
    print(data)