| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543 | # Apache Configuration File# (!) Using `.htaccess` files slows down Apache, therefore, if you have access# to the main server config file (usually called `httpd.conf`), you should add# this logic there: http://httpd.apache.org/docs/current/howto/htaccess.html.# ############################################################################### # CROSS-ORIGIN RESOURCE SHARING (CORS)                                       ## ############################################################################### ------------------------------------------------------------------------------# | Cross-domain AJAX requests                                                 |# ------------------------------------------------------------------------------# Enable cross-origin AJAX requests.# http://code.google.com/p/html5security/wiki/CrossOriginRequestSecurity# http://enable-cors.org/# <IfModule mod_headers.c>#    Header set Access-Control-Allow-Origin "*"# </IfModule># ------------------------------------------------------------------------------# | CORS-enabled images                                                        |# ------------------------------------------------------------------------------# Send the CORS header for images when browsers request it.# https://developer.mozilla.org/en/CORS_Enabled_Image# http://blog.chromium.org/2011/07/using-cross-domain-images-in-webgl-and.html# http://hacks.mozilla.org/2011/11/using-cors-to-load-webgl-textures-from-cross-domain-images/<IfModule mod_setenvif.c>    <IfModule mod_headers.c>        <FilesMatch "\.(gif|ico|jpe?g|png|svg|svgz|webp)$">            SetEnvIf Origin ":" IS_CORS            Header set Access-Control-Allow-Origin "*" env=IS_CORS        </FilesMatch>    </IfModule></IfModule># ------------------------------------------------------------------------------# | Web fonts access                                                           |# ------------------------------------------------------------------------------# Allow access from all domains for web fonts<IfModule mod_headers.c>    <FilesMatch "\.(eot|font.css|otf|ttc|ttf|woff)$">        Header set Access-Control-Allow-Origin "*"    </FilesMatch></IfModule># ############################################################################### # ERRORS                                                                     ## ############################################################################### ------------------------------------------------------------------------------# | 404 error prevention for non-existing redirected folders                   |# ------------------------------------------------------------------------------# Prevent Apache from returning a 404 error for a rewrite if a directory# with the same name does not exist.# http://httpd.apache.org/docs/current/content-negotiation.html#multiviews# http://www.webmasterworld.com/apache/3808792.htmOptions -MultiViews# ------------------------------------------------------------------------------# | Custom error messages / pages                                              |# ------------------------------------------------------------------------------# You can customize what Apache returns to the client in case of an error (see# http://httpd.apache.org/docs/current/mod/core.html#errordocument), e.g.:ErrorDocument 404 /404.html# ############################################################################### # INTERNET EXPLORER                                                          ## ############################################################################### ------------------------------------------------------------------------------# | Better website experience                                                  |# ------------------------------------------------------------------------------# Force IE to render pages in the highest available mode in the various# cases when it may not: http://hsivonen.iki.fi/doctype/ie-mode.pdf.<IfModule mod_headers.c>    Header set X-UA-Compatible "IE=edge"    # `mod_headers` can't match based on the content-type, however, we only    # want to send this header for HTML pages and not for the other resources    <FilesMatch "\.(appcache|crx|css|eot|gif|htc|ico|jpe?g|js|m4a|m4v|manifest|mp4|oex|oga|ogg|ogv|otf|pdf|png|safariextz|svg|svgz|ttf|vcf|webapp|webm|webp|woff|xml|xpi)$">        Header unset X-UA-Compatible    </FilesMatch></IfModule># ------------------------------------------------------------------------------# | Cookie setting from iframes                                                |# ------------------------------------------------------------------------------# Allow cookies to be set from iframes in IE.# <IfModule mod_headers.c>#   Header set P3P "policyref=\"/w3c/p3p.xml\", CP=\"IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT\""# </IfModule># ------------------------------------------------------------------------------# | Screen flicker                                                             |# ------------------------------------------------------------------------------# Stop screen flicker in IE on CSS rollovers (this only works in# combination with the `ExpiresByType` directives for images from below).# BrowserMatch "MSIE" brokenvary=1# BrowserMatch "Mozilla/4.[0-9]{2}" brokenvary=1# BrowserMatch "Opera" !brokenvary# SetEnvIf brokenvary 1 force-no-vary# ############################################################################### # MIME TYPES AND ENCODING                                                    ## ############################################################################### ------------------------------------------------------------------------------# | Proper MIME types for all files                                            |# ------------------------------------------------------------------------------<IfModule mod_mime.c>  # Audio    AddType audio/mp4                                   m4a f4a f4b    AddType audio/ogg                                   oga ogg  # JavaScript    # Normalize to standard type (it's sniffed in IE anyways):    # http://tools.ietf.org/html/rfc4329#section-7.2    AddType application/javascript                      js jsonp    AddType application/json                            json  # Video    AddType video/mp4                                   mp4 m4v f4v f4p    AddType video/ogg                                   ogv    AddType video/webm                                  webm    AddType video/x-flv                                 flv  # Web fonts    AddType application/font-woff                       woff    AddType application/vnd.ms-fontobject               eot    # Browsers usually ignore the font MIME types and sniff the content,    # however, Chrome shows a warning if other MIME types are used for the    # following fonts.    AddType application/x-font-ttf                      ttc ttf    AddType font/opentype                               otf    # Make SVGZ fonts work on iPad:    # https://twitter.com/FontSquirrel/status/14855840545    AddType     image/svg+xml                           svg svgz    AddEncoding gzip                                    svgz  # Other    AddType application/octet-stream                    safariextz    AddType application/x-chrome-extension              crx    AddType application/x-opera-extension               oex    AddType application/x-shockwave-flash               swf    AddType application/x-web-app-manifest+json         webapp    AddType application/x-xpinstall                     xpi    AddType application/xml                             atom rdf rss xml    AddType image/webp                                  webp    AddType image/x-icon                                ico    AddType text/cache-manifest                         appcache manifest    AddType text/vtt                                    vtt    AddType text/x-component                            htc    AddType text/x-vcard                                vcf</IfModule># ------------------------------------------------------------------------------# | UTF-8 encoding                                                             |# ------------------------------------------------------------------------------# Use UTF-8 encoding for anything served as `text/html` or `text/plain`.AddDefaultCharset utf-8# Force UTF-8 for certain file formats.<IfModule mod_mime.c>    AddCharset utf-8 .atom .css .js .json .rss .vtt .webapp .xml</IfModule># ############################################################################### # URL REWRITES                                                               ## ############################################################################### ------------------------------------------------------------------------------# | Rewrite engine                                                             |# ------------------------------------------------------------------------------# Turning on the rewrite engine and enabling the `FollowSymLinks` option is# necessary for the following directives to work.# If your web host doesn't allow the `FollowSymlinks` option, you may need to# comment it out and use `Options +SymLinksIfOwnerMatch` but, be aware of the# performance impact: http://httpd.apache.org/docs/current/misc/perf-tuning.html#symlinks# Also, some cloud hosting services require `RewriteBase` to be set:# http://www.rackspace.com/knowledge_center/frequently-asked-question/why-is-mod-rewrite-not-working-on-my-site<IfModule mod_rewrite.c>    Options +FollowSymlinks  # Options +SymLinksIfOwnerMatch    RewriteEngine On  # RewriteBase /</IfModule># ------------------------------------------------------------------------------# | Suppressing / Forcing the "www." at the beginning of URLs                  |# ------------------------------------------------------------------------------# The same content should never be available under two different URLs especially# not with and without "www." at the beginning. This can cause SEO problems# (duplicate content), therefore, you should choose one of the alternatives and# redirect the other one.# By default option 1 (no "www.") is activated:# http://no-www.org/faq.php?q=class_b# If you'd prefer to use option 2, just comment out all the lines from option 1# and uncomment the ones from option 2.# IMPORTANT: NEVER USE BOTH RULES AT THE SAME TIME!# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -# Option 1: rewrite www.example.com → example.com<IfModule mod_rewrite.c>    RewriteCond %{HTTPS} !=on    RewriteCond %{HTTP_HOST} ^www\.(.+)$ [NC]    RewriteRule ^ http://%1%{REQUEST_URI} [R=301,L]</IfModule># - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -# Option 2: rewrite example.com → www.example.com# Be aware that the following might not be a good idea if you use "real"# subdomains for certain parts of your website.# <IfModule mod_rewrite.c>#    RewriteCond %{HTTPS} !=on#    RewriteCond %{HTTP_HOST} !^www\..+$ [NC]#    RewriteRule ^ http://www.%{HTTP_HOST}%{REQUEST_URI} [R=301,L]# </IfModule># ############################################################################### # SECURITY                                                                   ## ############################################################################### ------------------------------------------------------------------------------# | Content Security Policy (CSP)                                              |# ------------------------------------------------------------------------------# You can mitigate the risk of cross-site scripting and other content-injection# attacks by setting a Content Security Policy which whitelists trusted sources# of content for your site.# The example header below allows ONLY scripts that are loaded from the current# site's origin (no inline scripts, no CDN, etc). This almost certainly won't# work as-is for your site!# To get all the details you'll need to craft a reasonable policy for your site,# read: http://html5rocks.com/en/tutorials/security/content-security-policy (or# see the specification: http://w3.org/TR/CSP).# <IfModule mod_headers.c>#    Header set Content-Security-Policy "script-src 'self'; object-src 'self'"#    <FilesMatch "\.(appcache|crx|css|eot|gif|htc|ico|jpe?g|js|m4a|m4v|manifest|mp4|oex|oga|ogg|ogv|otf|pdf|png|safariextz|svg|svgz|ttf|vcf|webapp|webm|webp|woff|xml|xpi)$">#        Header unset Content-Security-Policy#    </FilesMatch># </IfModule># ------------------------------------------------------------------------------# | File access                                                                |# ------------------------------------------------------------------------------# Block access to directories without a default document.# Usually you should leave this uncommented because you shouldn't allow anyone# to surf through every directory on your server (which may includes rather# private places like the CMS's directories).<IfModule mod_autoindex.c>    Options -Indexes</IfModule># - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -# Block access to hidden files and directories.# This includes directories used by version control systems such as Git and SVN.<IfModule mod_rewrite.c>    RewriteCond %{SCRIPT_FILENAME} -d [OR]    RewriteCond %{SCRIPT_FILENAME} -f    RewriteRule "(^|/)\." - [F]</IfModule># - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -# Block access to backup and source files.# These files may be left by some text editors and can pose a great security# danger when anyone has access to them.<FilesMatch "(^#.*#|\.(bak|config|dist|fla|inc|ini|log|psd|sh|sql|sw[op])|~)$">    Order allow,deny    Deny from all    Satisfy All</FilesMatch># ------------------------------------------------------------------------------# | Secure Sockets Layer (SSL)                                                 |# ------------------------------------------------------------------------------# Rewrite secure requests properly to prevent SSL certificate warnings, e.g.:# prevent `https://www.example.com` when your certificate only allows# `https://secure.example.com`.# <IfModule mod_rewrite.c>#    RewriteCond %{SERVER_PORT} !^443#    RewriteRule ^ https://example-domain-please-change-me.com%{REQUEST_URI} [R=301,L]# </IfModule># - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -# Force client-side SSL redirection.# If a user types "example.com" in his browser, the above rule will redirect him# to the secure version of the site. That still leaves a window of opportunity# (the initial HTTP connection) for an attacker to downgrade or redirect the# request. The following header ensures that browser will ONLY connect to your# server via HTTPS, regardless of what the users type in the address bar.# http://www.html5rocks.com/en/tutorials/security/transport-layer-security/# <IfModule mod_headers.c>#    Header set Strict-Transport-Security max-age=16070400;# </IfModule># ------------------------------------------------------------------------------# | Server software information                                                |# ------------------------------------------------------------------------------# Avoid displaying the exact Apache version number, the description of the# generic OS-type and the information about Apache's compiled-in modules.# ADD THIS DIRECTIVE IN THE `httpd.conf` AS IT WILL NOT WORK IN THE `.htaccess`!# ServerTokens Prod# ############################################################################### # WEB PERFORMANCE                                                            ## ############################################################################### ------------------------------------------------------------------------------# | Compression                                                                |# ------------------------------------------------------------------------------<IfModule mod_deflate.c>    # Force compression for mangled headers.    # http://developer.yahoo.com/blogs/ydn/posts/2010/12/pushing-beyond-gzipping    <IfModule mod_setenvif.c>        <IfModule mod_headers.c>            SetEnvIfNoCase ^(Accept-EncodXng|X-cept-Encoding|X{15}|~{15}|-{15})$ ^((gzip|deflate)\s*,?\s*)+|[X~-]{4,13}$ HAVE_Accept-Encoding            RequestHeader append Accept-Encoding "gzip,deflate" env=HAVE_Accept-Encoding        </IfModule>    </IfModule>    # Compress all output labeled with one of the following MIME-types    # (for Apache versions below 2.3.7, you don't need to enable `mod_filter`    #  and can remove the `<IfModule mod_filter.c>` and `</IfModule>` lines    #  as `AddOutputFilterByType` is still in the core directives).    <IfModule mod_filter.c>        AddOutputFilterByType DEFLATE application/atom+xml \                                      application/javascript \                                      application/json \                                      application/rss+xml \                                      application/vnd.ms-fontobject \                                      application/x-font-ttf \                                      application/x-web-app-manifest+json \                                      application/xhtml+xml \                                      application/xml \                                      font/opentype \                                      image/svg+xml \                                      image/x-icon \                                      text/css \                                      text/html \                                      text/plain \                                      text/x-component \                                      text/xml    </IfModule></IfModule># ------------------------------------------------------------------------------# | Content transformations                                                    |# ------------------------------------------------------------------------------# Prevent some of the mobile network providers from modifying the content of# your site: http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9.5.# <IfModule mod_headers.c>#    Header set Cache-Control "no-transform"# </IfModule># ------------------------------------------------------------------------------# | ETag removal                                                               |# ------------------------------------------------------------------------------# Since we're sending far-future expires headers (see below), ETags can# be removed: http://developer.yahoo.com/performance/rules.html#etags.# `FileETag None` is not enough for every server.<IfModule mod_headers.c>    Header unset ETag</IfModule>FileETag None# ------------------------------------------------------------------------------# | Expires headers (for better cache control)                                 |# ------------------------------------------------------------------------------# The following expires headers are set pretty far in the future. If you don't# control versioning with filename-based cache busting, consider lowering the# cache time for resources like CSS and JS to something like 1 week.<IfModule mod_expires.c>    ExpiresActive on    ExpiresDefault                                      "access plus 1 month"  # CSS    ExpiresByType text/css                              "access plus 1 year"  # Data interchange    ExpiresByType application/json                      "access plus 0 seconds"    ExpiresByType application/xml                       "access plus 0 seconds"    ExpiresByType text/xml                              "access plus 0 seconds"  # Favicon (cannot be renamed!)    ExpiresByType image/x-icon                          "access plus 1 week"  # HTML components (HTCs)    ExpiresByType text/x-component                      "access plus 1 month"  # HTML    ExpiresByType text/html                             "access plus 0 seconds"  # JavaScript    ExpiresByType application/javascript                "access plus 1 year"  # Manifest files    ExpiresByType application/x-web-app-manifest+json   "access plus 0 seconds"    ExpiresByType text/cache-manifest                   "access plus 0 seconds"  # Media    ExpiresByType audio/ogg                             "access plus 1 month"    ExpiresByType image/gif                             "access plus 1 month"    ExpiresByType image/jpeg                            "access plus 1 month"    ExpiresByType image/png                             "access plus 1 month"    ExpiresByType video/mp4                             "access plus 1 month"    ExpiresByType video/ogg                             "access plus 1 month"    ExpiresByType video/webm                            "access plus 1 month"  # Web feeds    ExpiresByType application/atom+xml                  "access plus 1 hour"    ExpiresByType application/rss+xml                   "access plus 1 hour"  # Web fonts    ExpiresByType application/font-woff                 "access plus 1 month"    ExpiresByType application/vnd.ms-fontobject         "access plus 1 month"    ExpiresByType application/x-font-ttf                "access plus 1 month"    ExpiresByType font/opentype                         "access plus 1 month"    ExpiresByType image/svg+xml                         "access plus 1 month"</IfModule># ------------------------------------------------------------------------------# | Filename-based cache busting                                               |# ------------------------------------------------------------------------------# If you're not using a build process to manage your filename version revving,# you might want to consider enabling the following directives to route all# requests such as `/css/style.12345.css` to `/css/style.css`.# To understand why this is important and a better idea than `*.css?v231`, read:# http://stevesouders.com/blog/2008/08/23/revving-filenames-dont-use-querystring# <IfModule mod_rewrite.c>#    RewriteCond %{REQUEST_FILENAME} !-f#    RewriteCond %{REQUEST_FILENAME} !-d#    RewriteRule ^(.+)\.(\d+)\.(js|css|png|jpg|gif)$ $1.$3 [L]# </IfModule># ------------------------------------------------------------------------------# | File concatenation                                                         |# ------------------------------------------------------------------------------# Allow concatenation from within specific CSS and JS files, e.g.:# Inside of `script.combined.js` you could have#   <!--#include file="libs/jquery.js" -->#   <!--#include file="plugins/jquery.idletimer.js" --># and they would be included into this single file.# <IfModule mod_include.c>#    <FilesMatch "\.combined\.js$">#        Options +Includes#        AddOutputFilterByType INCLUDES application/javascript application/json#        SetOutputFilter INCLUDES#    </FilesMatch>#    <FilesMatch "\.combined\.css$">#        Options +Includes#        AddOutputFilterByType INCLUDES text/css#        SetOutputFilter INCLUDES#    </FilesMatch># </IfModule># ------------------------------------------------------------------------------# | Persistent connections                                                     |# ------------------------------------------------------------------------------# Allow multiple requests to be sent over the same TCP connection:# http://httpd.apache.org/docs/current/en/mod/core.html#keepalive.# Enable if you serve a lot of static content but, be aware of the# possible disadvantages!# <IfModule mod_headers.c>#    Header set Connection Keep-Alive# </IfModule>
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