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Diffstat (limited to 'plugin/rewrite/README.md')
| -rw-r--r-- | plugin/rewrite/README.md | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/plugin/rewrite/README.md b/plugin/rewrite/README.md index 680e69722..feec7dc81 100644 --- a/plugin/rewrite/README.md +++ b/plugin/rewrite/README.md @@ -209,12 +209,24 @@ rewrites the first local option with code 0xffee, setting the data to "abcd". Eq * A variable data is specified with a pair of curly brackets `{}`. Following are the supported variables: {qname}, {qtype}, {client_ip}, {client_port}, {protocol}, {server_ip}, {server_port}. -Example: +* If the metadata plugin is enabled, then labels are supported as variables if they are presented within curly brackets. +the variable data will be filled with the value associated with that label. If that label is not provided, +the variable will be silently substitute by an empty string. + +Examples: ~~~ rewrite edns0 local set 0xffee {client_ip} ~~~ +The following example uses metadata and an imaginary "some-plugin" that would provide "some-label" as metadata information. + +~~~ +metadata +some-plugin +rewrite edns0 local set 0xffee {some-plugin/some-label} +~~~ + ### EDNS0_NSID This has no fields; it will add an NSID option with an empty string for the NSID. If the option already exists |