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.localhost Domains

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301 points todsacerdoti | 1 comments | 10 Apr 25 14:19 UTC | HN request time: 0s | source
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hardaker ◴[10 Apr 25 14:58 UTC] No.43644486[source]▶
You might check out .internal instead which was recently approved [1] for local use.

[1]: https://en.wikipedia.org/wiki/.internal

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GrumpyYoungMan ◴[10 Apr 25 15:24 UTC] No.43644836[source]▶
The *.home.arpa domain in RFC 8375 has been approved for local use since 2018, which is long enough ago that most hardware and software currently in use should be able to handle it.
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johnmaguire ◴[10 Apr 25 18:22 UTC] No.43646707[source]▶
RFC 8375 seems to have approved it specifically to use in Home Networking Control Protocol, though it also states "it is not intended that the use of 'home.arpa.' be restricted solely to networks where HNCP is deployed. Rather, 'home.arpa.' is intended to be the correct domain for uses like the one described for '.home' in [RFC7788]: local name service in residential homenets."

The OpenWrt wiki on Homenet suggests the project might be dead: https://openwrt.org/docs/guide-user/network/zeroconfig/hncp_...

Anyone familiar with HNCP? Are there any concerns of conflicts if HNCP becomes "a thing"? I have to say, .home.arpa doesn't exactly roll of the tongue like .internal. Some macOS users seem to have issues with .home.arpa too: https://www.reddit.com/r/MacOS/comments/1bu62do/homearpa_is_...

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AndyMcConachie ◴[11 Apr 25 07:48 UTC] No.43651418{3}[source]▶
Check the errata for RFC 7788. .home being listed in it is a mistake. .home has never been designated for this purpose.

home.arpa is for HNCP.

Use .internal.

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1. johnmaguire ◴[11 Apr 25 16:04 UTC] No.43655384{4}[source]▶
I simply quoted RFC 8375. It specifically called out that while RFC 7788 mentions ".home" (quoted below), it wasn't reserved, which ".home.arpa" aims to fix. But while you say "home.arpa is for HNCP", I also quoted RFC 8375 stating it's available for other uses as well.

> A network-wide zone is appended to all single labels or unqualified zones in order to qualify them. ".home" is the default; [...]