### http://www.joomla-security.de # Version: 1.7v3 (2012-01-16)                  ###
#############################################################################
### This file is free software: you can redistribute it and/or modify     ###
### it under the terms of the GNU General Public License as published by  ###
### the Free Software Foundation, either version 3 of the License, or     ###
### any later version.                                                    ###
###                                                                       ###
### This file is distributed in the hope that it will be useful,          ###
### but WITHOUT ANY WARRANTY; without even the implied warranty of        ###
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the          ###
### GNU General Public License for more details.                          ###
###                                                                       ###
### You should have received a copy of the GNU General Public License     ###
### along with this file. If not, see <http://www.gnu.org/licenses/>.     ###
#############################################################################

#################################################
##### ADDITIONAL SECURITY FUNCTIONS - START #####
#################################################
##### Based upon: http://perishablepress.com/press/2009/03/16/the-perishable-press-4g-blacklist/

### ESSENTIALS
RewriteEngine On
ServerSignature Off
Options All -Indexes
Options +FollowSymLinks

### FILTER REQUEST METHODS
RewriteCond %{REQUEST_METHOD} ^(TRACE|DELETE|TRACK) [NC]
RewriteRule ^(.*)$ - [R=404,L]

### BLOCK SOME USER AGENTS
RewriteCond %{HTTP_USER_AGENT} ^Java|HTTrack|Baiduspider|CligooRobot|TrackBack|Jakarta|libwww-perl|Wget
RewriteRule ^(.*)$ - [R=404,L]

### QUERY STRING EXPLOITS
RewriteCond %{QUERY_STRING} \.\.\/ [NC,OR]
RewriteCond %{QUERY_STRING} boot\.ini [NC,OR]
RewriteCond %{QUERY_STRING} tag\= [NC,OR]
RewriteCond %{QUERY_STRING} ftp\: [NC,OR]
RewriteCond %{QUERY_STRING} http\:  [NC,OR]
RewriteCond %{QUERY_STRING} https\: [NC,OR]
RewriteCond %{QUERY_STRING} (\<|%3C).*script.*(\>|%3E) [NC,OR]
RewriteCond %{QUERY_STRING} (\<|%3C).*iframe.*(\>|%3E) [NC,OR]
RewriteCond %{QUERY_STRING} ^.*(%0|127\.0).* [NC,OR]
RewriteCond %{QUERY_STRING} ^.*(\(|\)|<|>|'|"|\?|\*|%%|&%%|&"|").* [NC,OR]
RewriteCond %{QUERY_STRING} ^.*(globals|encode|localhost|loopback).* [NC,OR]
RewriteCond %{QUERY_STRING} ^.*(execute|exec|sp_executesql|insert|union|declare|drop|delete|alter|cast|convert|meta|script|truncate).* [NC]
RewriteRule ^(.*)$ - [R=404,L]

### CHARACTER STRINGS
<IfModule mod_alias.c>
### BASIC CHARACTERS
RedirectMatch 404 \:
RedirectMatch 404 \@
RedirectMatch 404 \[
RedirectMatch 404 \]
RedirectMatch 404 \^
RedirectMatch 404 \`
RedirectMatch 404 \{
RedirectMatch 404 \}
RedirectMatch 404 \~
RedirectMatch 404 \"
RedirectMatch 404 \$
RedirectMatch 404 \<
RedirectMatch 404 \>
RedirectMatch 404 \|
RedirectMatch 404 \.\.
RedirectMatch 404 \/\/
RedirectMatch 404 \%0
RedirectMatch 404 \%22
RedirectMatch 404 \%27
RedirectMatch 404 \%28
RedirectMatch 404 \%29
RedirectMatch 404 \%3C
RedirectMatch 404 \%3E
RedirectMatch 404 \%3F
RedirectMatch 404 \%5B
RedirectMatch 404 \%5C
RedirectMatch 404 \%5D
RedirectMatch 404 \%7B
RedirectMatch 404 \%7C
RedirectMatch 404 \%7D

### COMMON PATTERNS
RedirectMatch 404 \_vpi
RedirectMatch 404 \.inc
RedirectMatch 404 xAou6
RedirectMatch 404 db\_name
RedirectMatch 404 select\(
RedirectMatch 404 convert\(
RedirectMatch 404 \/query\/
RedirectMatch 404 ImpEvData
RedirectMatch 404 \.XMLHTTP
RedirectMatch 404 proxydeny
RedirectMatch 404 function\.
RedirectMatch 404 remoteFile
RedirectMatch 404 servername
RedirectMatch 404 \&rptmode\=
RedirectMatch 404 sys\_cpanel
RedirectMatch 404 db\_connect
RedirectMatch 404 doeditconfig
RedirectMatch 404 check\_proxy
RedirectMatch 404 system\_user
RedirectMatch 404 \/\(null\)\/
RedirectMatch 404 clientrequest
RedirectMatch 404 option\_value
RedirectMatch 404 ref\.outcontrol

### SPECIFIC EXPLOITS
RedirectMatch 404 errors\.
RedirectMatch 404 include\.
RedirectMatch 404 display\.
RedirectMatch 404 password\.
RedirectMatch 404 maincore\.
RedirectMatch 404 authorize\.
RedirectMatch 404 macromates\.
RedirectMatch 404 head\_auth\.
RedirectMatch 404 submit\_links\.
RedirectMatch 404 change\_action\.
RedirectMatch 404 com\_facileforms\/
RedirectMatch 404 admin\_db\_utilities\.
RedirectMatch 404 admin\.webring\.docs\.
RedirectMatch 404 Table\/Latest\/index\.
</IfModule>

###############################################
##### ADDITIONAL SECURITY FUNCTIONS - END #####
###############################################

#########################################################
##### ADDITIONAL JOOMLA! SECURITY FUNCTIONS - START #####
#########################################################

########## Begin - Rule to block "?tp=1"
RewriteCond %{QUERY_STRING} tp=(.*)
RewriteRule ^(.*)$ index.php [F,L]
########## End - Rule to block "?tp=1"

########## Begin - Rule to block "?templateStyle"
RewriteCond %{QUERY_STRING} templateStyle=(.*)
RewriteRule ^(.*)$ index.php [F,L]
########## End - Rule to block "?templateStyle"

########## Begin - Rewrite rules to block out some common exploits
## If you experience problems on your site block out the operations listed below
## This attempts to block the most common type of exploit `attempts` to Joomla!
#
## Deny access to extension xml files (uncomment out to activate)
#<Files ~ "\.xml$">
#Order allow,deny
#Deny from all
#Satisfy all
#</Files>
## End of deny access to extension xml files
# Block out any script trying to base64_encode data within the URL.
RewriteCond %{QUERY_STRING} base64_encode[^(]*\([^)]*\) [OR]
# Block out any script that includes a <script> tag in URL.
RewriteCond %{QUERY_STRING} (<|%3C)([^s]*s)+cript.*(>|%3E) [NC,OR]
# Block out any script trying to set a PHP GLOBALS variable via URL.
RewriteCond %{QUERY_STRING} GLOBALS(=|\[|\%[0-9A-Z]{0,2}) [OR]
# Block out any script trying to modify a _REQUEST variable via URL.
RewriteCond %{QUERY_STRING} _REQUEST(=|\[|\%[0-9A-Z]{0,2})
# Return 403 Forbidden header and show the content of the root homepage
RewriteRule .* index.php [F]
#
########## End - Rewrite rules to block out some common exploits

########## Begin - Deny access to some files
<Files .htaccess>
Order Deny,Allow
Deny from all
</Files>

<Files configuration.php>
Order Deny,Allow
Deny from all
</Files>
########## End - Deny access to some files

#######################################################
##### ADDITIONAL JOOMLA! SECURITY FUNCTIONS - End #####
#######################################################

##############################################
##### ADDITIONAL CACHE FUNCTIONS - START #####
##############################################

### Compress the output with gzip
#AddOutputFilterByType deflate text/html text/plain text/css text/javascript application/javascript application/x-javascript application/rss+xml

### Set the default character set
#AddDefaultCharset utf-8

<IfModule mod_headers.c>
<FilesMatch "\\.(ico|pdf|flv|jpg|jpeg|png|gif|swf)$">
Header set Cache-Control "max-age=33135480, public"
</FilesMatch>
<FilesMatch "\\.(css|js)$">
Header set Cache-Control "max-age=604800, public"
</FilesMatch>
<FilesMatch "\\.(xml|txt)$">
Header set Cache-Control "max-age=216000, public, must-revalidate"
</FilesMatch>
<FilesMatch "\\.(html|htm|php)$">
Header set Cache-Control "max-age=33135480, public"
</FilesMatch>
</IfModule>

############################################
##### ADDITIONAL CACHE FUNCTIONS - END #####
############################################

#  Uncomment following line if your webserver's URL
#  is not directly related to physical file paths.
#  Update Your Joomla! Directory (just / for root)

# RewriteBase /

#############################################
##### CUSTOM HTACCESS FUNCTIONS - START #####
#############################################

### Redirect from "domain.com" to "www.domain.com" (uncomment out to activate)
#RewriteCond %{HTTP_HOST} ^([0-9a-z-]+)\.de$ [NC]
#RewriteRule ^(.*)$ http://www.%1.de/$1 [R=301,L]

###########################################
##### CUSTOM HTACCESS FUNCTIONS - END #####
###########################################


########## Begin - Joomla! core SEF Section
#
RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
#
# If the requested path and file is not /index.php and the request
# has not already been internally rewritten to the index.php script
RewriteCond %{REQUEST_URI} !^/index\.php
# and the request is for something within the component folder,
# or for the site root, or for an extensionless URL, or the
# requested URL ends with one of the listed extensions
RewriteCond %{REQUEST_URI} /component/|(/[^.]*|\.(php|html?|feed|pdf|vcf|raw))$ [NC]
# and the requested path and file doesn't directly match a physical file
RewriteCond %{REQUEST_FILENAME} !-f
# and the requested path and file doesn't directly match a physical folder
RewriteCond %{REQUEST_FILENAME} !-d
# internally rewrite the request to the index.php script
RewriteRule .* index.php [L]
#
########## End - Joomla! core SEF Section

########## Begin - Error documents
#
ErrorDocument 401 "404 Not Found!
ErrorDocument 403 "404 Not Found!
ErrorDocument 404 "404 Not Found!
ErrorDocument 500 "Internal Server Error!
#
########## End - Error documents