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| author |  Chris O'Haver <cohaver@infoblox.com>
| 2021-05-20 03:24:36 -0400 |
|---|---|---|
| committer |  GitHub <noreply@github.com>
| 2021-05-20 09:24:36 +0200 |
| commit | 0348b019be984a5e21c40d00d37da2bbcc7d1b20 (patch) | |
| tree | 7d17b68714b531901e896217dfe7ea15f5dd8e82 /plugin/forward/README.md | |
| parent | 5d80a6e21e415262a4753760032f4d8fdc8d1216 (diff) | |
| download | coredns-0348b019be984a5e21c40d00d37da2bbcc7d1b20.tar.gz coredns-0348b019be984a5e21c40d00d37da2bbcc7d1b20.tar.zst coredns-0348b019be984a5e21c40d00d37da2bbcc7d1b20.zip | |
plugin/forward: Document and warn for unsupported FROM CIDR notations (#4639)
* trap unsupported FROM cidr notations
Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
* make is a warning
Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
Diffstat (limited to 'plugin/forward/README.md')
| -rw-r--r-- | plugin/forward/README.md | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/plugin/forward/README.md b/plugin/forward/README.md index 7daecf428..8bc0e2c8b 100644 --- a/plugin/forward/README.md +++ b/plugin/forward/README.md @@ -29,7 +29,8 @@ In its most basic form, a simple forwarder uses this syntax: forward FROM TO... ~~~ -* **FROM** is the base domain to match for the request to be forwarded. +* **FROM** is the base domain to match for the request to be forwarded. Domains using CIDR notation + that expand to multiple reverse zones are not fully supported; only the first expanded zone is used. * **TO...** are the destination endpoints to forward to. The **TO** syntax allows you to specify a protocol, `tls://9.9.9.9` or `dns://` (or no protocol) for plain DNS. The number of upstreams is limited to 15. |