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NTP Mode 7 PEER_LIST DoS Scanner

This module identifies NTP servers which permit "PEER_LIST" queries and return responses that are larger in size or greater in quantity than the request, allowing remote attackers to cause a distributed, reflected denial of service (aka, "DRDoS" or traffic amplification) via spoofed requests.

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Module Name



  • Jon Hart <jon_hart [at]>




Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use auxiliary/scanner/ntp/ntp_peer_list_dos msf auxiliary(ntp_peer_list_dos) > show actions ...actions... msf auxiliary(ntp_peer_list_dos) > set ACTION <action-name> msf auxiliary(ntp_peer_list_dos) > show options and set options... msf auxiliary(ntp_peer_list_dos) > run

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