Module ngx_http_browser_module
Example Configuration Directives ancient_browser ancient_browser_value modern_browser modern_browser_value |
The ngx_http_browser_module
module creates variables
whose values depend on the value of the “User-Agent”
request header field:
$modern_browser
- equals the value set by the modern_browser_value directive, if a browser was identified as modern;
$ancient_browser
- equals the value set by the ancient_browser_value directive, if a browser was identified as ancient;
$msie
- equals “1” if a browser was identified as MSIE of any version.
Example Configuration
Choosing an index file:
modern_browser_value "modern."; modern_browser msie 5.5; modern_browser gecko 1.0.0; modern_browser opera 9.0; modern_browser safari 413; modern_browser konqueror 3.0; index index.${modern_browser}html index.html;
Redirection for old browsers:
modern_browser msie 5.0; modern_browser gecko 0.9.1; modern_browser opera 8.0; modern_browser safari 413; modern_browser konqueror 3.0; modern_browser unlisted; ancient_browser Links Lynx netscape4; if ($ancient_browser) { rewrite ^ /ancient.html; }
Directives
Syntax: |
ancient_browser |
---|---|
Default: | — |
Context: |
http , server , location |
If any of the specified substrings is found in the “User-Agent”
request header field, the browser will be considered ancient.
The special string “netscape4
” corresponds to the
regular expression “^Mozilla/[1-4]
”.
Syntax: |
ancient_browser_value |
---|---|
Default: |
ancient_browser_value 1; |
Context: |
http , server , location |
Sets a value for the $ancient_browser
variables.
Syntax: |
modern_browser modern_browser |
---|---|
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.
Syntax: |
modern_browser_value |
---|---|
Default: |
modern_browser_value 1; |
Context: |
http , server , location |
Sets a value for the $modern_browser
variables.