ntp-monlist error

[Eric Huffman <ehuffman () gci com>]

See error below:





nmap -sU -pU:123 -Pn -n --script=ntp-monlist -oN ntp-monlist.txt pool.ntp.org -d

Starting Nmap 6.47 ( http://nmap.org ) at 2014-12-29 14:40 EST
--------------- Timing report ---------------
  hostgroups: min 1, max 100000
  rtt-timeouts: init 1000, min 100, max 10000
  max-scan-delay: TCP 1000, UDP 1000, SCTP 1000
  parallelism: min 0, max 0
  max-retries: 10, host-timeout: 0
  min-rate: 0, max-rate: 0
---------------------------------------------
NSE: Using Lua 5.2.
NSE: Script Arguments seen from CLI:
NSE: Loaded 1 scripts for scanning.
NSE: Script Pre-scanning.
NSE: Starting runlevel 1 (of 1) scan.
Initiating UDP Scan at 14:40
Scanning pool.ntp.org (173.255.196.241) [1 port]
Packet capture filter (device eth0): dst host 10.0.1.111 and (icmp or icmp6 or ((tcp or udp or sctp) and (src host 
173.255.196.241)))
Discovered open port 123/udp on 173.255.196.241
Completed UDP Scan at 14:40, 0.11s elapsed (1 total ports)
Overall sending rates: 8.89 packets / s, 675.38 bytes / s.
NSE: Script scanning 173.255.196.241.
NSE: Starting runlevel 1 (of 1) scan.
NSE: Starting ntp-monlist against pool.ntp.org (173.255.196.241:123).
Initiating NSE at 14:40
NSE: ntp-monlist against pool.ntp.org (173.255.196.241:123) threw an error!
/usr/bin/../share/nmap/scripts/ntp-monlist.nse:179: variable 'debug2' is not declared
stack traceback:
        [C]: in function 'error'
        /usr/bin/../share/nmap/nselib/strict.lua:80: in function '__index'
        /usr/bin/../share/nmap/scripts/ntp-monlist.nse:179: in function 'doquery'
        /usr/bin/../share/nmap/scripts/ntp-monlist.nse:118: in function 
</usr/bin/../share/nmap/scripts/ntp-monlist.nse:105>
        (...tail calls...)

Completed NSE at 14:40, 0.00s elapsed
Nmap scan report for pool.ntp.org (173.255.196.241)
Host is up, received user-set (0.029s latency).
Other addresses for pool.ntp.org (not scanned): 67.18.187.111 209.141.47.34 138.236.128.36
Scanned at 2014-12-29 14:40:12 EST for 0s
PORT    STATE SERVICE REASON
123/udp open  ntp     udp-response
Final times for host: srtt: 28761 rttvar: 28761  to: 143805

NSE: Script Post-scanning.
NSE: Starting runlevel 1 (of 1) scan.
Read from /usr/bin/../share/nmap: nmap-payloads nmap-services.
Nmap done: 1 IP address (1 host up) scanned in 0.38 seconds
           Raw packets sent: 1 (76B) | Rcvd: 1 (76B)


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