Table of Contents
Buckets with anonymous policies allow clients to access the bucket contents and perform actions consistent with the specified policy without authentication.
The following command sets anonymous access policies for several
buckets on the
myminio MinIO deployment:
mc policy set upload myminio/uploads mc policy set download myminio/downloads mc policy set public myminio/public
Applications can perform the following operations without authentication:
PUT objects to
GET objects from
The command has the following syntax:
mc [GLOBALFLAGS] policy set PERMISSION ALIAS
 indicate optional parameters.
Parameters sharing a line are mutually dependent.
Parameters seperated using the pipe
| operator are mutually exclusive.
Copy the example to a text editor and modify as-needed before running the command in the terminal/shell.
Required Name of the policy to assign to the specified
Specify one of the following values:
none - Disable anonymous access to the
download - Enable download-only access to the
upload - Enable upload-only access to the
public - Enable download and upload access to the
Required The full path to the bucket or bucket prefix to which the
command applies the specified
Specify the alias of the MinIO or other S3-compatible service and the full path to the bucket or bucket prefix. For example:
mc set public play/mybucket
Specify a bucket prefix to set the policy on only that prefix. For example,
this command sets distinct anonymous bucket policies on the
mc set download play/mybucket/downloads mc set upload play/mybucket/uploads
The path to a
JSON formatted configuration file that
mc uses for storing data. See Configuration File for
more information on how mc uses the configuration file.
Enables JSON lines formatted output to the console.
mc --JSON COMMAND
Disables TLS/SSL certificate verification. Allows TLS connectivity to servers with invalid certificates. Exercise caution when using this option against untrusted S3 hosts.
Displays the current version of
mc policy set to set the anonymous policy for a
mc policy set POLICY ALIAS/PATH
The mc commandline tool is built for compatibility with the AWS S3 API and is tested MinIO and AWS S3 for expected functionality and behavior.
MinIO provides no guarantees for other S3-compatible services, as their S3 API implementation is unknown and therefore unsupported. While mc commands may work as documented, any such usage is at your own risk.