Sep 182006

These are the five computer time protocols I recommend providing. For SNTP/NTP, use OpenNTPD (note: if you’re using Solaris 10, check this page for using OpenNTPD Portable with SMF).

SNTP v. 4
RFC 2030
UDP port 123

NTP v. 3
RFC 1305
UDP port 123

RFC 867
TCP/UDP port 13

RFC 868
TCP/UDP port 37

UDP port 4014

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