Which version of nginx is stable?

The versions of Nginx are:

Mainline version: Mainline is the version that Nginx is currently working on. It can be said that It's a development version.

Stable version: The latest stable version, the version recommended for production environments.

Legacy versions: Stable versions of legacy old versions.

Generally choose the latest version, Stable version: the latest stable version.

Nginx’s HTTP basic functions:

Processing static files, index files and automatic indexing.

Reverse proxy acceleration (no caching), simple load balancing and fault tolerance.

FastCGI, simple load balancing and fault tolerance.

Modular structure. Filters include gzipping, byte ranges, chunked responses, and SSI-filter. In the SSI filter, multiple subrequests to the same proxy or FastCGI are processed concurrently.

SSL and TLS SNI support.

IMAP/POP3 proxy service function. Use an external HTTP authentication server to redirect users to an IMAP/POP3 backend.

Use an external HTTP authentication server to authenticate the user and redirect the connection to the internal SMTP backend.

For more Nginx related knowledge, please visit the Nginx usage tutorial column!

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