modern_browser

Syntax:	`modern_browser browser version;` `modern_browser unlisted;`
Default:	—
Context:	`http`, `server`, `location`

Specifies a version starting from which a browser is considered modern. A browser can be any one of the following: msie, gecko (browsers based on Mozilla), opera, safari, or konqueror.

Versions can be specified in the following formats: X, X.X, X.X.X, or X.X.X.X. The maximum values for each of the format are 4000, 4000.99, 4000.99.99, and 4000.99.99.99, respectively.

The special value unlisted specifies to consider a browser as modern if it was not listed by the modern_browser and ancient_browser directives. Otherwise such a browser is considered ancient. If a request does not provide the “User-Agent” field in the header, the browser is treated as not being listed.

Links:

https://nginx.org/en/docs/http/ngx_http_browser_module.html#modern_browser

doc_nginx

2017-02-09 07:07:03

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