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Version: 2.6

referer-restriction

Summary#

Name#

The referer-restriction can restrict access to a Service or a Route by whitelisting request header Referrers.

Attributes#

NameTypeRequirementDefaultValidDescription
whitelistarray[string]requiredList of hostname to whitelist. The hostname can be started with * as a wildcard
bypass_missingbooleanoptionalfalseWhether to bypass the check when the Referer header is missing or malformed

How To Enable#

Creates a route or service object, and enable plugin referer-restriction.

curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '{    "uri": "/index.html",    "upstream": {        "type": "roundrobin",        "nodes": {            "127.0.0.1:1980": 1        }    },    "plugins": {        "referer-restriction": {            "bypass_missing": true,            "whitelist": [                "xx.com",                "*.xx.com"            ]        }    }}'

Test Plugin#

Request with Referer: http://xx.com/x:

$ curl http://127.0.0.1:9080/index.html -H 'Referer: http://xx.com/x'HTTP/1.1 200 OK...

Request with Referer: http://yy.com/x:

$ curl http://127.0.0.1:9080/index.html -H 'Referer: http://yy.com/x'HTTP/1.1 403 Forbidden...{"message":"Your referer host is not allowed"}

Request without Referer:

$ curl http://127.0.0.1:9080/index.htmlHTTP/1.1 200 OK...

Disable Plugin#

When you want to disable the referer-restriction plugin, it is very simple, you can delete the corresponding json configuration in the plugin configuration, no need to restart the service, it will take effect immediately:

$ curl http://127.0.0.1:2379/v2/keys/apisix/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d value='{    "uri": "/index.html",    "plugins": {},    "upstream": {        "type": "roundrobin",        "nodes": {            "39.97.63.215:80": 1        }    }}'

The referer-restriction plugin has been disabled now. It works for other plugins.