1# 2# NTP configuration file (ntp.conf) 3# SunOS rackety.u 4.1.3 243 sun4c 4# 5# This is for a dedicated primary server connected to four reference 6# clocks and providing service via multicast, broadcast, manycast and 7# the usual suspects. It blocks previous versions and limits clients 8# per network to two and returnd a kiss-of-death packet if the 9# sender is blocked. Note that the precise fudge factors were 10# determined using the calibrate feature and that the kernel PPS 11# discipline is selected. 12# 13server 127.127.4.0 prefer # Spectracom GPS receiver #1 14fudge 127.127.4.0 refid GPS1 time1 -.000097 flag1 1 15server 127.127.4.1 # Spectracom GPS receiver #2 16fudge 127.127.4.1 refid GPS2 time1 -.000097 flag1 1 17server 127.127.4.2 # Spectracom WWVB receiver #1 18# delays: prop 0.0088 ant .0002 rcvr .0173 = 26.3 ms; os .0035 19fudge 127.127.4.2 refid WVB1 time1 .0021 flag4 1 flag1 1 20server 127.127.4.3 # Spectracom WWVB receiver #2 21# delays: prop 0.0088 ant .0002 rcvr .0173 = 26.3 ms; os .0035 22fudge 127.127.4.3 refid WVB2 time1 .0021 flag4 1 flag1 1 23server 127.127.22.1 # PPS 24fudge 127.127.22.1 flag3 1 # kernel PPS 25# 26# Services 27# 28broadcast 224.0.1.1 autokey # multicast 29broadcast 128.4.1.255 autokey # local subnet broadcast 30manycastclient 239.1.1.1 autokey maxpoll 12 ttl 7 # manycast 31manycastserver 239.1.1.1 # manycast 32# 33# Access controls 34# 35restrict default limited version kod # default limit clients per net 36restrict 127.0.0.1 # allow local host 37restrict 128.4.0.0 mask 255.255.0.0 # allow DCnet clients 38restrict 128.175.0.0 mask 255.255.0.0 # allow UDELnet clients 39restrict 140.173.0.0 mask 255.255.0.0 # allow DARTnet/CAIRN clients 40# 41# Authentication stuff 42# 43crypto # enable public key 44keys /usr/local/etc/ntp.keys # symmetric keys file 45trustedkey 3 4 5 14 # define trusted keys 46requestkey 14 # key (7) for accessing server variables 47controlkey 14 # key (6) for accessing server variables 48# 49# Miscellaneous stuff 50# 51driftfile /etc/ntp.drift # frequency offset 52statsdir /rackety/ntpstats/ # directory for statistics files 53filegen peerstats file peerstats type day enable 54filegen loopstats file loopstats type day enable 55filegen clockstats file clockstats type day enable 56 57