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# .htaccess Snippets
Uma coleção de snippets .htaccess, tudo em um só lugar.
**Disclaimer**: Ao deixar cair o ano snippet `em .htaccess` arquivo é na maioria das vezes suficiente, há certos casos que alterações serão necessárias. Use por sua conta e risco.
**IMPORTANTE**: Apache 2.4 introduz algumas alterações significativas, principalmente na configuração de controle de acesso. Para mais informações, consulte o [documento atualização] (https://httpd.apache.org/docs/2.4/upgrading.html), bem como [essa questão] (https://github.com/phanan/htaccess/issues/2).
## Credits:
O que estamos fazendo aqui é trechos mais útil de todo a web (por exemplo, uma boa parte é de [Apache Configs] (https://github.com/h5bp/server-configs-apache)) em um só lugar. Enquanto estivemos em tentar tentativa onde o crédito devido, as coisas podem estar em falta. Se você acreditar em qualquer coisa aqui é o seu trabalho e os créditos devem ser dados, deixe-nos saber, ou apenas enviar um PR.
** IMPORTANTE **: Apache 2.4 introduz algumas alterações significativas, principalmente na configuração de controle de acesso. Para mais informações, consulte o [documento atualização] (https://httpd.apache.org/docs/2.4/upgrading.html), bem como [essa questão] (https://github.com/phanan/htaccess/issues/2).
## Índice
- [Rewrite and Redirection](#rewrite-and-redirection)
- [Force www](#force-www)
- [Force www in a Generic Way](#force-www-in-a-generic-way)
- [Force non-www](#force-non-www)
- [Force non-www in a Generic Way](#force-non-www-in-a-generic-way)
- [Force HTTPS](#force-https)
- [Force HTTPS Behind a Proxy](#force-https-behind-a-proxy)
- [Force Trailing Slash](#force-trailing-slash)
- [Remove Trailing Slash](#remove-trailing-slash)
- [Redirect a Single Page](#redirect-a-single-page)
- [Alias a Single Directory](#alias-a-single-directory)
- [Alias Paths to Script](#alias-paths-to-script)
- [Redirect an Entire Site](#redirect-an-entire-site)
- [Alias "Clean" URLs](#alias-clean-urls)
- [Security](#security)
- [Deny All Access](#deny-all-access)
- [Deny All Access Except Yours](#deny-all-access-except-yours)
- [Allow All Access Except Spammers'](#allow-all-access-except-spammers)
- [Deny Access to Hidden Files and Directories](#deny-access-to-hidden-files-and-directories)
- [Deny Access to Backup and Source Files](#deny-access-to-backup-and-source-files)
- [Disable Directory Browsing](#disable-directory-browsing)
- [Disable Image Hotlinking](#disable-image-hotlinking)
- [Disable Image Hotlinking for Specific Domains](#disable-image-hotlinking-for-specific-domains)
- [Password Protect a Directory](#password-protect-a-directory)
- [Password Protect a File or Several Files](#password-protect-a-file-or-several-files)
- [Block Visitors by Referrer](#block-visitors-by-referrer)
- [Prevent Framing the Site](#prevent-framing-the-site)
- [Performance](#performance)
- [Compress Text Files](#compress-text-files)
- [Set Expires Headers](#set-expires-headers)
- [Turn eTags Off](#turn-etags-off)
- [Miscellaneous](#miscellaneous)
- [Set PHP Variables](#set-php-variables)
- [Custom Error Pages](#custom-error-pages)
- [Force Downloading](#force-downloading)
- [Prevent Downloading](#prevent-downloading)
- [Allow Cross-Domain Fonts](#allow-cross-domain-fonts)
- [Auto UTF-8 Encode](#auto-utf-8-encode)
- [Switch to Another PHP Version](#switch-to-another-php-version)
- [Disable Internet Explorer Compatibility View](#disable-internet-explorer-compatibility-view)
- [Serve WebP Images](#serve-webp-images)
## Rewrite and Redirection
Nota: Presume-se que você tem `mod_rewrite` instalado e habilitado.
### Force www
``` apacheconf
RewriteEngine on
RewriteCond %{HTTP_HOST} ^example\.com [NC]
RewriteRule ^(.*)$ http://www.example.com/$1 [L,R=301,NC]
```
### Force www in a Generic Way
``` apacheconf
RewriteCond %{HTTP_HOST} !^$
RewriteCond %{HTTP_HOST} !^www\. [NC]
RewriteCond %{HTTPS}s ^on(s)|
RewriteRule ^ http%1://www.%{HTTP_HOST}%{REQUEST_URI} [R=301,L]
```
Isso funciona para qualquer domínio. [Source](https://stackoverflow.com/questions/4916222/htaccess-how-to-force-www-in-a-generic-way)
### Force non-www
It's [still](http://www.sitepoint.com/domain-www-or-no-www/) [open](https://devcenter.heroku.com/articles/apex-domains) [for](http://yes-www.org/) [debate](http://no-www.org/) para dominio com www ou sem www aqui vai:
``` apacheconf
RewriteEngine on
RewriteCond %{HTTP_HOST} ^www\.example\.com [NC]
RewriteRule ^(.*)$ http://example.com/$1 [L,R=301]
```
### Force non-www in a Generic Way
``` apacheconf
RewriteEngine on
RewriteCond %{HTTP_HOST} ^www\.
RewriteCond %{HTTPS}s ^on(s)|off
RewriteCond http%1://%{HTTP_HOST} ^(https?://)(www\.)?(.+)$
RewriteRule ^ %1%3%{REQUEST_URI} [R=301,L]
```
### Force HTTPS
``` apacheconf
RewriteEngine on
RewriteCond %{HTTPS} !on
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}
# Nota: Também é recomendável habilitar HTTP Strict Transport Security (HSTS)
# em seu site HTTPS para ajudar a prevenir ataques man-in-the-middle.
# Veja https://developer.mozilla.org/en-US/docs/Web/Security/HTTP_strict_transport_security
<IfModule mod_headers.c>
Header always set Strict-Transport-Security "max-age=31536000; includeSubDomains"
</IfModule>
```
### Força HTTPS por trás do Proxy
Útil se você tiver um proxy na frente do seu servidor a realização de terminação TLS.
``` apacheconf
RewriteCond %{HTTP:X-Forwarded-Proto} !https
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}
```
### Força barra final
``` apacheconf
RewriteCond %{REQUEST_URI} /+[^\.]+$
RewriteRule ^(.+[^/])$ %{REQUEST_URI}/ [R=301,L]
```
### Remove barra final
``` apacheconf
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)/$ /$1 [R=301,L]
```
### Redireciona uma única página
``` apacheconf
Redirect 301 /oldpage.html http://www.example.com/newpage.html
Redirect 301 /oldpage2.html http://www.example.com/folder/
```
[Source](http://css-tricks.com/snippets/htaccess/301-redirects/)
### Apelida(Alias) um Diretório específico
``` apacheconf
RewriteEngine On
RewriteRule ^source-directory/(.*) target-directory/$1
```
### Apelida(Alias) caminhos para o script [REVIEW,REVISAR]
``` apacheconf
FallbackResource /index.fcgi
```
Este exemplo tem um arquivo `index.fcgi` em algum diretório, e todos os pedidos dentro desse diretório que não conseguem resolver um diretório/nome do arquivo será enviado para o script `index.fcgi`.
É bom se você quer `baz.foo/some/cool/path` a ser feitos pelo `baz.foo/index.fcgi` (que também suporta pedidos de `baz.foo`), mantendo` baz.foo/css/style.css` e semelhantes.
Tenha acesso ao caminho original da variável de ambiente PATH_INFO, como exposto no seu ambiente de script.
``` apacheconf
RewriteEngine On
RewriteRule ^$ index.fcgi/ [QSA,L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.fcgi/$1 [QSA,L]
```
Esta é uma versão menos eficiente da directiva FallbackResource (porque o uso do `mod_rewrite` é mais complexa do que apenas lidar com a directiva `FallbackResource`), mas também é mais flexível.
### Redirect an Entire Site
``` apacheconf
Redirect 301 / http://newsite.com/
```
This way does it with links intact. That is `www.oldsite.com/some/crazy/link.html` will become `www.newsite.com/some/crazy/link.html`. This is extremely helpful when you are just "moving" a site to a new domain. [Source](http://css-tricks.com/snippets/htaccess/301-redirects/)
### Alias "Clean" URLs
This snippet lets you use "clean" URLs -- those without a PHP extension, e.g. `example.com/users` instead of `example.com/users.php`.
``` apacheconf
RewriteEngine On
RewriteCond %{SCRIPT_FILENAME} !-d
RewriteRule ^([^.]+)$ $1.php [NC,L]
```
[Source](http://www.abeautifulsite.net/access-pages-without-the-php-extension-using-htaccess/)
## Security
### Deny All Access
``` apacheconf
## Apache 2.2
Deny from all
## Apache 2.4
# Require all denied
```
Mas espere, isso irá bloqueá-lo a partir do seu conteúdo, bem! Assim, a introdução de ...
### Deny All Access - Exceto o seu
``` apacheconf
## Apache 2.2
Order deny,allow
Deny from all
Allow from xxx.xxx.xxx.xxx
## Apache 2.4
# Require all denied
# Require ip xxx.xxx.xxx.xxx
```
`xxx.xxx.xxx.xxx` is your IP. If you replace the last three digits with 0/12 for example, this will specify a range of IPs within the same network, thus saving you the trouble to list all allowed IPs separately. [Source](http://speckyboy.com/2013/01/08/useful-htaccess-snippets-and-hacks/)
Now of course there's a reversed version:
### Allow All Access Except Spammers'
``` apacheconf
## Apache 2.2
Order deny,allow
Allow from all
Deny from xxx.xxx.xxx.xxx
Deny from xxx.xxx.xxx.xxy
## Apache 2.4
# Require all granted
# Require not ip xxx.xxx.xxx.xxx
# Require not ip xxx.xxx.xxx.xxy
```
### Deny Access to Hidden Files and Directories
Hidden files and directories (those whose names start with a dot `.`) should most, if not all, of the time be secured. For example: `.htaccess`, `.htpasswd`, `.git`, `.hg`...
``` apacheconf
RewriteCond %{SCRIPT_FILENAME} -d [OR]
RewriteCond %{SCRIPT_FILENAME} -f
RewriteRule "(^|/)\." - [F]
```
Alternatively, you can just raise a `Not Found` error, giving the attacker dude no clue:
``` apacheconf
RedirectMatch 404 /\..*$
```
### Deny Access to Backup and Source Files
These files may be left by some text/html editors (like Vi/Vim) and pose a great security danger if exposed to public.
``` apacheconf
<FilesMatch "(\.(bak|config|dist|fla|inc|ini|log|psd|sh|sql|swp)|~)$">
## Apache 2.2
Order allow,deny
Deny from all
Satisfy All
## Apache 2.4
# Require all denied
</FilesMatch>
```
[Source](https://github.com/h5bp/server-configs-apache)
### Disable Directory Browsing
``` apacheconf
Options All -Indexes
```
### Disable Image Hotlinking
``` apacheconf
RewriteEngine on
# Remove the following line if you want to block blank referrer too
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^https?://(.+\.)?example.com [NC]
RewriteRule \.(jpe?g|png|gif|bmp)$ - [NC,F,L]
# If you want to display a "blocked" banner in place of the hotlinked image,
# replace the above rule with:
# RewriteRule \.(jpe?g|png|gif|bmp) http://example.com/blocked.png [R,L]
```
### Disable Image Hotlinking for Specific Domains
Sometimes you want to disable image hotlinking from some bad guys only.
``` apacheconf
RewriteEngine on
RewriteCond %{HTTP_REFERER} ^https?://(.+\.)?badsite\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?://(.+\.)?badsite2\.com [NC,OR]
RewriteRule \.(jpe?g|png|gif|bmp)$ - [NC,F,L]
# If you want to display a "blocked" banner in place of the hotlinked image,
# replace the above rule with:
# RewriteRule \.(jpe?g|png|gif|bmp) http://example.com/blocked.png [R,L]
```
### Password Protect a Directory
First you need to create a `.htpasswd` file somewhere in the system:
``` bash
htpasswd -c /home/fellowship/.htpasswd boromir
```
Then you can use it for authentication:
``` apacheconf
AuthType Basic
AuthName "One does not simply"
AuthUserFile /home/fellowship/.htpasswd
Require valid-user
```
### Password Protect a File or Several Files
``` apacheconf
AuthName "One still does not simply"
AuthType Basic
AuthUserFile /home/fellowship/.htpasswd
<Files "one-ring.o">
Require valid-user
</Files>
<FilesMatch ^((one|two|three)-rings?\.o)$>
Require valid-user
</FilesMatch>
```
### Block Visitors by Referrer
This denies access for all users who are coming from (referred by) a specific domain.
[Source](http://www.htaccess-guide.com/deny-visitors-by-referrer/)
``` apacheconf
RewriteEngine on
# Options +FollowSymlinks
RewriteCond %{HTTP_REFERER} somedomain\.com [NC,OR]
RewriteCond %{HTTP_REFERER} anotherdomain\.com
RewriteRule .* - [F]
```
### Prevent Framing the Site
This prevents the website to be framed (i.e. put into an `iframe` tag), when still allows framing for a specific URI.
``` apacheconf
SetEnvIf Request_URI "/starry-night" allow_framing=true
Header set X-Frame-Options SAMEORIGIN env=!allow_framing
```
## Performance
### Compress Text Files
``` apacheconf
<IfModule mod_deflate.c>
# Force compression for mangled headers.
# http://developer.yahoo.com/blogs/ydn/posts/2010/12/pushing-beyond-gzipping
<IfModule mod_setenvif.c>
<IfModule mod_headers.c>
SetEnvIfNoCase ^(Accept-EncodXng|X-cept-Encoding|X{15}|~{15}|-{15})$ ^((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>
```
[Source](https://github.com/h5bp/server-configs-apache)
### Set Expires Headers
_Expires headers_ tell the browser whether they should request a specific file from the server or just grab it from the cache. It is advisable to set static content's expires headers to something 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. [Source](https://github.com/h5bp/server-configs-apache)
``` apacheconf
<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-woff2 "access plus 1 month"
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>
```
### Turn eTags Off
By removing the `ETag` header, you disable caches and browsers from being able to validate files, so they are forced to rely on your `Cache-Control` and `Expires` header. [Source](http://www.askapache.com/htaccess/apache-speed-etags.html)
``` apacheconf
<IfModule mod_headers.c>
Header unset ETag
</IfModule>
FileETag None
```
## Miscellaneous
### Set PHP Variables
``` apacheconf
php_value <key> <val>
# For example:
php_value upload_max_filesize 50M
php_value max_execution_time 240
```
### Custom Error Pages
``` apacheconf
ErrorDocument 500 "Houston, we have a problem."
ErrorDocument 401 http://error.example.com/mordor.html
ErrorDocument 404 /errors/halflife3.html
```
### Force Downloading
Sometimes you want to force the browser to download some content instead of displaying it.
``` apacheconf
<Files *.md>
ForceType application/octet-stream
Header set Content-Disposition attachment
</Files>
```
Now there is a yang to this yin:
### Prevent Downloading
Sometimes you want to force the browser to display some content instead of downloading it.
``` apacheconf
<FilesMatch "\.(tex|log|aux)$">
Header set Content-Type text/plain
</FilesMatch>
```
### Allow Cross-Domain Fonts
CDN-served webfonts might not work in Firefox or IE due to [CORS](https://en.wikipedia.org/wiki/Cross-origin_resource_sharing). This snippet solves the problem.
``` apacheconf
<IfModule mod_headers.c>
<FilesMatch "\.(eot|otf|ttc|ttf|woff|woff2)$">
Header set Access-Control-Allow-Origin "*"
</FilesMatch>
</IfModule>
```
[Source](https://github.com/h5bp/server-configs-apache/issues/32)
### Auto UTF-8 Encode
Your text content should always be UTF-8 encoded, no?
``` apacheconf
# Use UTF-8 encoding for anything served text/plain or text/html
AddDefaultCharset utf-8
# Force UTF-8 for a number of file formats
AddCharset utf-8 .atom .css .js .json .rss .vtt .xml
```
[Source](https://github.com/h5bp/server-configs-apache)
### Switch to Another PHP Version
If you're on a shared host, chances are there are more than one version of PHP installed, and sometimes you want a specific version for your website. For example, [Laravel](https://github.com/laravel/laravel) requires PHP >= 5.4. The following snippet should switch the PHP version for you.
``` apacheconf
AddHandler application/x-httpd-php55 .php
# Alternatively, you can use AddType
AddType application/x-httpd-php55 .php
```
### Disable Internet Explorer Compatibility View
Compatibility View in IE may affect how some websites are displayed. The following snippet should force IE to use the Edge Rendering Engine and disable the Compatibility View.
``` apacheconf
<IfModule mod_headers.c>
BrowserMatch MSIE is-msie
Header set X-UA-Compatible IE=edge env=is-msie
</IfModule>
```
### Serve WebP Images
If [WebP images](https://developers.google.com/speed/webp/?csw=1) are supported and an image with a .webp extension and the same name is found at the same place as the jpg/png image that is going to be served, then the WebP image is served instead.
``` apacheconf
RewriteEngine On
RewriteCond %{HTTP_ACCEPT} image/webp
RewriteCond %{DOCUMENT_ROOT}/$1.webp -f
RewriteRule (.+)\.(jpe?g|png)$ $1.webp [T=image/webp,E=accept:1]
```
[Source](https://github.com/vincentorback/WebP-images-with-htaccess)