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Mike Hibler authored
The template configurations in the new ntpd subdir also address the recent NTP amplification attacks that have been going on recently. NTP configuration is controlled by a few defs-* variables: NTPSERVER: boss|ops|fs|<external-server-name-or-IP> Default: "ops" Normally, one of boss, ops, or fs is designated as a local NTP server but this can be set to a fully qualified name of some other machine. If NTPSERVER is set to an external server, then boss/ops/fs are made clients of that server just as any testbed node is. EXTERNAL_NTPSERVER[1-4]: <external-server-name-or-IP> Default: "[0-3].pool.ntp.org" If NTPSERVER is one of boss/ops/fs, then these values are used as the upstream servers for the local server. These can be changed to four of your favorite NTP servers. NTPDRIFTFILE: <path> Default: "/var/db/ntp.drift" If NTPSERVER is one of boss/ops/fs, then this is the name of the drift file for the local server.
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