Azure:Manage anonymous read access to containers and blobs
Grant anonymous users permissions to containers and blobs
By default, a container and any blobs within it may be accessed only by the owner of the storage account. To give anonymous users read permissions to a container and its blobs, you can set the container permissions to allow public access. Anonymous users can read blobs within a publicly accessible container without authenticating the request.
Containers provide the following options for managing container access:
Full public read access: Container and blob data can be read via anonymous request. Clients can enumerate blobs within the container via anonymous request, but cannot enumerate containers within the storage account.
Public read access for blobs only: Blob data within this container can be read via anonymous request, but container data is not available. Clients cannot enumerate blobs within the container via anonymous request.
No public read access: Container and blob data can be read by the account owner only.
Features available to anonymous users
The following table shows which operations may be called by anonymous users when a container's ACL is set to allow public access.
REST Operation | Permission with full public read access | Permission with public read access for blobs only |
List Containers | Owner only | Owner only |
Create Container | Owner only | Owner only |
Get Container Properties | All | Owner only |
Get Container Metadata | All | Owner only |
Set Container Metadata | Owner only | Owner only |
Get Container ACL | Owner only | Owner only |
Set Container ACL | Owner only | Owner only |
Delete Container | Owner only | Owner only |
List Blobs | All | Owner only |
Put Blob | Owner only | Owner only |
Get Blob | All | All |
Get Blob Properties | All | All |
Set Blob Properties | Owner only | Owner only |
Get Blob Metadata | All | All |
Set Blob Metadata | Owner only | Owner only |
Put Block | Owner only | Owner only |
Get Block List (committed blocks only) | All | All |
Get Block List (uncommitted blocks only or all blocks) | Owner only | Owner only |
Put Block List | Owner only | Owner only |
Delete Blob | Owner only | Owner only |
Copy Blob | Owner only | Owner only |
Snapshot Blob | Owner only | Owner only |
Lease Blob | Owner only | Owner only |
Put Page | Owner only | Owner only |
Get Page Ranges | All | All |
Append Blob | Owner only | Owner only |
选项“公共容器”对应Full public read access(可匿名访问本容器中的blob,可访问本容器的元数据,可枚举本容器的blob)
选项“公共Blob”对应Public read access for blobs only(可匿名访问本容器中的blob,但是不能枚举blob,也不能访问容器元数据)
选项“私有”对应No public read access(禁止匿名访问)
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