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FWIW, I used primary/secondary for years too. Once BIND 8 showed up, I think they switched to master/slave as it better described the process... to the uniniti
by canadian_tired 6y ago
FWIW, I used primary/secondary for years too. Once BIND 8 showed up, I think they switched to master/slave as it better described the process... to the uninitiated, "secondary" was probably viewed as a "backup" in the sensse of DR/HA.
- darrenf 6y agoInteresting. I haven't touched BIND for years and am out of the loop, plus memory is fallible anyway. Just looked at it and have ended up at RFC 8499 from January 2019: https://tools.ietf.org/html/rfc8499 https://tools.ietf.org/html/rfc8499 Master server: See "Primary server". Primary server: "Any authoritative server configured to be the source of zone transfer for one or more [secondary] servers." (Quoted from [RFC1996], Section 2.1) Or, more specifically, [RFC2136] calls it "an authoritative server configured to be the source of AXFR or IXFR data for one or more [secondary] servers". Primary servers are also discussed in [RFC1034]. Although early DNS RFCs such as [RFC1996] referred to this as a "master", the current common usage has shifted to "primary". So it seems `primary` is essentially the official term in DNS, but `master` may well be the preferred term by BIND itself.