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48 lines
1.5 KiB
Markdown
48 lines
1.5 KiB
Markdown
# file
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`file` enables serving zone data from an RFC 1035-style master file.
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The file middleware is used for an "old-style" DNS server. It serves from a preloaded file that exists
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on disk. If the zone file contains signatures (i.e. is signed, i.e. DNSSEC) correct DNSSEC answers
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are returned. Only NSEC is supported! If you use this setup *you* are responsible for resigning the
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zonefile.
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## Syntax
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~~~
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file dbfile [zones...]
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~~~
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* `dbfile` the database file to read and parse.
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* `zones` zones it should be authoritative for. If empty, the zones from the configuration block
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are used.
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If you want to round robin A and AAAA responses look at the `loadbalance` middleware.
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TSIG key configuration is TODO; directive format for transfer will probably be extended with
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TSIG key information, something like `transfer out [address...] key [name] [base64]`
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~~~
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file dbfile [zones... ] {
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transfer from [address...]
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transfer to [address...]
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no_reload
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}
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~~~
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* `transfer` enables zone transfers. It may be specified multiples times. *To* or *from* signals
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the direction. Addresses must be denoted in CIDR notation (127.0.0.1/32 etc.) or just as plain
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addresses. The special wildcard "*" means: the entire internet (only valid for 'transfer to').
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* `no_reload` by default CoreDNS will reload a zone from disk whenever it detects a change to the
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file. This option disables that behavior.
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## Examples
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Load the `miek.nl` zone from `miek.nl.signed` and allow transfers to the internet.
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~~~
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file miek.nl.signed miek.nl {
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transfer to *
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}
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~~~
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