gistfile1.txt

cat /etc/ntp.conf 
# Common pool
server 0.coreos.pool.ntp.org
server 1.coreos.pool.ntp.org
server 2.coreos.pool.ntp.org
server 3.coreos.pool.ntp.org

# Warning: Using default NTP settings will leave your NTP
# server accessible to all hosts on the Internet.

# If you want to deny all machines (including your own)
# from accessing the NTP server, uncomment:
#restrict default ignore

# Default configuration:
# - Allow only time queries, at a limited rate, sending KoD when in excess.
# - Allow all local queries (IPv4, IPv6)
restrict default nomodify nopeer noquery limited kod
restrict 127.0.0.1
restrict [::1]