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coredns/plugin/transfer
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Miek Gieben 56bc7f399a plugin/transfer: only allow outgoing axfr over tcp (#4452) 
* plugin/transfer: only allow outgoing axfr over tcp

Return refused when the query comes in over udp.
No need to add a new test case as the current crop needed to be changed
to use TCP.

Fixes: #4450

Signed-off-by: Miek Gieben <miek@miek.nl>

* transfer tests: this needs tcp as well

Signed-off-by: Miek Gieben <miek@miek.nl>
2021-02-05 10:51:29 +01:00
..
failed_write_test.go
plugin/transfer: only allow outgoing axfr over tcp (#4452)
2021-02-05 10:51:29 +01:00
notify.go
Cherry-pick: Implement notifies for transfer plugin (#3972) (#4142)
2020-09-24 20:30:39 +02:00
README.md
Cherry-pick: Implement notifies for transfer plugin (#3972) (#4142)
2020-09-24 20:30:39 +02:00
select_test.go
plugin/transfer: only allow outgoing axfr over tcp (#4452)
2021-02-05 10:51:29 +01:00
setup_test.go
Cherry-pick: Implement notifies for transfer plugin (#3972) (#4142)
2020-09-24 20:30:39 +02:00
setup.go
Cherry-pick: Implement notifies for transfer plugin (#3972) (#4142)
2020-09-24 20:30:39 +02:00
transfer_test.go
plugin/transfer: only allow outgoing axfr over tcp (#4452)
2021-02-05 10:51:29 +01:00
transfer.go
plugin/transfer: only allow outgoing axfr over tcp (#4452)
2021-02-05 10:51:29 +01:00

README.md

transfer

Name

transfer - perform (outgoing) zone transfers for other plugins.

Description

This plugin answers zone transfers for authoritative plugins that implement transfer.Transferer.

transfer answers full zone transfer (AXFR) requests and incremental zone transfer (IXFR) requests with AXFR fallback if the zone has changed.

When a plugin wants to notify it's secondaries it will call back into the transfer plugin.

The following plugins implement zone transfers using this plugin: file, auto, secondary, and kubernetes. See transfer.go for implementation details if you are a plugin author that wants to use this plugin.

Syntax

transfer [ZONE...] {
  to ADDRESS...
}

  • ZONE The zones transfer will answer zone transfer requests for. If left blank, the zones are inherited from the enclosing server block. To answer zone transfers for a given zone, there must be another plugin in the same server block that serves the same zone, and implements transfer.Transferer.

  • to ADDRESS... The hosts transfer will transfer to. Use * to permit transfers to all addresses. ADDRESS must be denoted in CIDR notation (e.g., 127.0.0.1/32) or just as plain addresses. to may be specified multiple times.

Examples

See the specific plugins using this plugin for examples on it's usage.