Added php-json as required PHP module

[github/shaarli/Shaarli.git] / doc / md / Server-configuration.md

diff --git a/doc/md/Server-configuration.md b/doc/md/Server-configuration.md
index e281dc859239cae2ead0801671e6c8ccf1dc197a..b9ac01cb3f19e2aaf53eb04b6a704f5e5a2f498c 100644 (file)
--- a/doc/md/Server-configuration.md
+++ b/doc/md/Server-configuration.md
@@ -17,8 +17,8 @@ Version | Status | Shaarli compatibility
 :---:|:---:|:---:
 7.2 | Supported | Yes
 7.1 | Supported | Yes
-7.0 | Supported | Yes
-5.6 | Supported | Yes
+7.0 | EOL: 2018-12-03 | Yes (up to Shaarli 0.10.x)
+5.6 | EOL: 2018-12-31 | Yes (up to Shaarli 0.10.x)
 5.5 | EOL: 2016-07-10 | Yes
 5.4 | EOL: 2015-09-14 | Yes (up to Shaarli 0.8.x)
 5.3 | EOL: 2014-08-14 | Yes (up to Shaarli 0.8.x)
@@ -28,12 +28,12 @@ Version | Status | Shaarli compatibility
 Extension | Required? | Usage
 ---|:---:|---
 [`openssl`](http://php.net/manual/en/book.openssl.php) | All | OpenSSL, HTTPS
+[`php-json`](http://php.net/manual/en/book.json.php) | required | ?
 [`php-mbstring`](http://php.net/manual/en/book.mbstring.php) | CentOS, Fedora, RHEL, Windows, some hosting providers | multibyte (Unicode) string support
 [`php-gd`](http://php.net/manual/en/book.image.php) | optional | required to use thumbnails
 [`php-intl`](http://php.net/manual/en/book.intl.php) | optional | localized text sorting (e.g. `e->è->f`)
 [`php-curl`](http://php.net/manual/en/book.curl.php) | optional | using cURL for fetching webpages and thumbnails in a more robust way
 [`php-gettext`](http://php.net/manual/en/book.gettext.php) | optional | Use the translation system in gettext mode (faster)
-
 --------------------------------------------------------------------------------
 
 ### SSL/TLS configuration 
@@ -397,14 +397,23 @@ http {
 ```
 
 ## Proxies
+
 If Shaarli is served behind a proxy (i.e. there is a proxy server between clients and the web server hosting Shaarli), please refer to the proxy server documentation for proper configuration. In particular, you have to ensure that the following server variables are properly set:
 
 - `X-Forwarded-Proto`
 - `X-Forwarded-Host`
 - `X-Forwarded-For`
 
+In you [Shaarli configuration](Shaarli-configuration) `data/config.json.php`, add the public IP of your proxy under `security.trusted_proxies`.
+
 See also [proxy-related](https://github.com/shaarli/Shaarli/issues?utf8=%E2%9C%93&q=label%3Aproxy+) issues.
 
+## Robots and crawlers
+
+Shaarli disallows indexing and crawling of your local documentation pages by search engines, using `<meta name="robots">` HTML tags.
+Your Shaarli instance and other pages you host may still be indexed by various robots on the public Internet.
+You may want to setup a robots.txt file or other crawler control mechanism on your server.
+See [[1]](https://en.wikipedia.org/wiki/Robots_exclusion_standard), [[2]](https://support.google.com/webmasters/answer/6062608?hl=en) and [[3]](https://developers.google.com/search/reference/robots_meta_tag)
 
 ## See also