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Validate CSRF Filtering

The following curl command can be used to request a directory listing from HDFS while passing in the expected header X-XSRF-Header.

curl -k -i --header "X-XSRF-Header: valid" -v -u guest:guest-password https://localhost:8443/gateway/sandbox/webhdfs/v1/tmp?op=LISTSTATUS

The above LISTSTATUS request only works if you remove the GET method from the csrf.methodsToIgnore list.

Omitting the –header “X-XSRF-Header: valid” above results in an HTTP 400 bad_request. Disabling the provider, by setting csrf.enabled to false allows a request that is missing the header.