gentoo-overlay/net-misc/ntp/files/ntp.conf

# NOTES:
# DHCP clients can append or replace NTP configuration files.
# You should consult your DHCP client documentation about its
# default behaviour and how to change it.

# Name of the servers ntpd should sync with
# Please respect the access policy as stated by the responsible person.
#server		ntp.example.tld		iburst

# Common pool for random people
#server pool.ntp.org

# Pools for Gentoo users
server 0.gentoo.pool.ntp.org
server 1.gentoo.pool.ntp.org
server 2.gentoo.pool.ntp.org
server 3.gentoo.pool.ntp.org

##
# A list of available servers can be found here:
# http://www.pool.ntp.org/
# http://www.pool.ntp.org/#use
# A good way to get servers for your machine is:
# netselect -s 3 pool.ntp.org
##

# you should not need to modify the following paths
driftfile	/var/lib/ntp/ntp.drift

#server ntplocal.example.com prefer 
#server timeserver.example.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]


# To allow machines within your network to synchronize
# their clocks with your server, but ensure they are
# not allowed to configure the server or used as peers
# to synchronize against, uncomment this line.
#
#restrict 192.168.0.0 mask 255.255.255.0 nomodify nopeer notrap