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title Virtual Host Style
description RustFS S3 Virtual Host Style and Path Style configuration.

S3 Request Modes

RustFS complies with S3 protocols. S3 supports two request modes:

  1. Virtual Host Style
  2. Path Style

The difference lies in the bucket name placement.

Path Style

Path Style is the default. In Path Style, the bucket name follows the endpoint.

Example (Bucket: test, Host: rustfs.yourdomain.com):

http://rustfs.yourdomain.com/test

Note: No configuration is required for Path Style.

Virtual Host Style

In Virtual Host Style, the bucket name is part of the domain.

Example (Bucket: test, Host: rustfs.yourdomain.com):

http://test.rustfs.yourdomain.com/

Configuration

  1. DNS: Configure wildcard DNS resolution (e.g., *.rustfs.yourdomain.com -> Server IP).
  2. Configuration: Modify the configuration file (Linux: /etc/default/rustfs, Docker/K8s: env vars).
  3. Set Domain: Set RUSTFS_SERVER_DOMAINS = "rustfs.yourdomain.com".
  4. Restart: Restart the service (systemctl restart rustfs).

Port in Domain (Optional)

If your domain is accessed with an explicit port, include the port number in RUSTFS_SERVER_DOMAINS.

Example (rustfs.yourdomain.com:9001):

RUSTFS_SERVER_DOMAINS = "rustfs.yourdomain.com:9001"

This ensures that requests like:

http://test.rustfs.yourdomain.com:9001/

can be correctly resolved in Virtual Host Style mode.

⚠️ Note: The value of RUSTFS_SERVER_DOMAINS must exactly match the Host header (including the port, if present) used by the client request