Display Hex Dump for DNS Traffic

This function displays a Wireshark-style Hex Dump for all DNS traffic.

function DnsHexDump (msg, packet)

  require 'HexString'

  require 'LOG'

  if packet ~= nil and GetLatestApplication(msg) == "dns" then

    if GetPacketLength(packet) > 0 then

      local packetString = GetPacketString(packet)

      local packetHexDump = HexDump(packetString)

      EZINFO('DNS Packet\n', GetUuid(msg), "\n", packetHexDump)

end

end

end