diff --git a/dietpi/dietpi-letsencrypt b/dietpi/dietpi-letsencrypt
index 2259e85f25..e7bbb3f95d 100755
--- a/dietpi/dietpi-letsencrypt
+++ b/dietpi/dietpi-letsencrypt
@@ -108,7 +108,12 @@
 			[[ -f $fp_cert_dir/combined.pem ]] && G_EXEC rm "$fp_cert_dir/combined.pem"
 
 			# Allow adding environment variables via: setenv.add-environment
-			G_CONFIG_INJECT '"mod_setenv"' '	"mod_setenv",' /etc/lighttpd/lighttpd.conf '"mod_.+",'
+			if (( $G_DISTRO < 6 ))
+			then
+				G_CONFIG_INJECT '"mod_setenv"' '	"mod_setenv",' /etc/lighttpd/lighttpd.conf '"mod_.+",'
+			else
+				[[ -f '/etc/lighttpd/conf-enabled/05-setenv.conf' ]] || G_EXEC lighty-enable-mod dietpi-https
+			fi
 
 			cat << _EOF_ > /etc/lighttpd/conf-available/50-dietpi-https.conf
 # Based on: https://ssl-config.mozilla.org/#server=lighttpd
diff --git a/dietpi/dietpi-software b/dietpi/dietpi-software
index eb6025c3eb..ca1731b8f5 100755
--- a/dietpi/dietpi-software
+++ b/dietpi/dietpi-software
@@ -3626,7 +3626,7 @@ _EOF_
 
 			Remove_SysV lighttpd
 
-			# Enable mod_deflate, if flagged
+			# Enable mod_deflate if flagged
 			[[ ${deflate[0]} && ! -f '/etc/lighttpd/conf-enabled/20-deflate.conf' ]] && G_EXEC lighty-enable-mod deflate
 
 			# Change webroot from /var/www/html to /var/www
@@ -4454,7 +4454,12 @@ Redirect 301 /.well-known/caldav  /owncloud/remote.php/dav' > /etc/apache2/conf-
 
 				# Enable required modules
 				G_CONFIG_INJECT '"mod_access",' '	"mod_access",' /etc/lighttpd/lighttpd.conf '"mod_.+",'
-				G_CONFIG_INJECT '"mod_setenv",' '	"mod_setenv",' /etc/lighttpd/lighttpd.conf '"mod_.+",'
+				if (( $G_DISTRO < 6 ))
+				then
+					G_CONFIG_INJECT '"mod_setenv"' '	"mod_setenv",' /etc/lighttpd/lighttpd.conf '"mod_.+",'
+				else
+					[[ -f '/etc/lighttpd/conf-enabled/05-setenv.conf' ]] || G_EXEC lighty-enable-mod dietpi-https
+				fi
 
 				# Move ownCloud configuration file in place and activate it
 				owncloud_conf='/etc/lighttpd/conf-available/99-dietpi-owncloud.conf'
@@ -4716,7 +4721,12 @@ Redirect 301 /.well-known/caldav  /nextcloud/remote.php/dav' > /etc/apache2/conf
 
 				# Enable required modules
 				G_CONFIG_INJECT '"mod_access",' '	"mod_access",' /etc/lighttpd/lighttpd.conf '"mod_.+",'
-				G_CONFIG_INJECT '"mod_setenv",' '	"mod_setenv",' /etc/lighttpd/lighttpd.conf '"mod_.+",'
+				if (( $G_DISTRO < 6 ))
+				then
+					G_CONFIG_INJECT '"mod_setenv"' '	"mod_setenv",' /etc/lighttpd/lighttpd.conf '"mod_.+",'
+				else
+					[[ -f '/etc/lighttpd/conf-enabled/05-setenv.conf' ]] || G_EXEC lighty-enable-mod dietpi-https
+				fi
 
 				# Move Nextcloud configuration file in place and activate it
 				nextcloud_conf='/etc/lighttpd/conf-available/99-dietpi-nextcloud.conf'
@@ -6138,7 +6148,12 @@ _EOF_
 			if (( ${aSOFTWARE_INSTALL_STATE[84]} > 0 ))
 			then
 				# Enable required modules
-				G_CONFIG_INJECT '"mod_setenv",' '	"mod_setenv",' /etc/lighttpd/lighttpd.conf '"mod_.+",'
+				if (( $G_DISTRO < 6 ))
+				then
+					G_CONFIG_INJECT '"mod_setenv"' '	"mod_setenv",' /etc/lighttpd/lighttpd.conf '"mod_.+",'
+				else
+					[[ -f '/etc/lighttpd/conf-enabled/05-setenv.conf' ]] || G_EXEC lighty-enable-mod dietpi-https
+				fi
 
 				# Add and enable Pi-hole config
 				dps_index=$software_id Download_Install 'lighttpd.pihole.conf' /etc/lighttpd/conf-available/99-dietpi-pihole.conf
@@ -8110,7 +8125,12 @@ _EOF_
 			then
 				# Enable Lighttpd setenv, access and rewrite modules
 				G_CONFIG_INJECT '"mod_access",' '	"mod_access",' /etc/lighttpd/lighttpd.conf '"mod_.+",'
-				G_CONFIG_INJECT '"mod_setenv",' '	"mod_setenv",' /etc/lighttpd/lighttpd.conf '"mod_.+",'
+				if (( $G_DISTRO < 6 ))
+				then
+					G_CONFIG_INJECT '"mod_setenv"' '	"mod_setenv",' /etc/lighttpd/lighttpd.conf '"mod_.+",'
+				else
+					[[ -f '/etc/lighttpd/conf-enabled/05-setenv.conf' ]] || G_EXEC lighty-enable-mod dietpi-https
+				fi
 
 				# Move Pydio Lighttpd config in place
 				dps_index=$software_id Download_Install 'lighttpd.pydio.conf' /etc/lighttpd/conf-available/99-dietpi-pydio.conf
@@ -11666,10 +11686,9 @@ _EOF_
 		if To_Install 210 # MediaWiki
 		then
 			# Install required PHP modules: https://www.mediawiki.org/wiki/Manual:Installation_requirements#PHP
-			aDEPS=("php$PHP_VERSION-intl")
+			aDEPS=("php$PHP_VERSION-gd" "php$PHP_VERSION-intl")
 			# - Add JSON module for PHP7, as it does not exist (embedded in core package) on PHP8
-			local json=()
-			[[ $PHP_VERSION == 8* ]] || aDEPS+=("php$PHP_VERSION-json") json=('json')
+			[[ $PHP_VERSION == 8* ]] || aDEPS+=("php$PHP_VERSION-json")
 
 			# Create MariaDB database and user
 			if [[ -d '/mnt/dietpi_userdata/mysql/mediawiki' ]]
@@ -11683,6 +11702,36 @@ _EOF_
 			local fallback_url='https://releases.wikimedia.org/mediawiki/1.39/mediawiki-1.39.3.tar.gz'
 			Download_Install "$(curl -sSfL 'https://www.mediawiki.org/wiki/Download' | grep -o 'https://releases\.wikimedia\.org/mediawiki/[^/"]*/mediawiki-[^"]*\.tar\.gz' | head -1)"
 
+			# Enable required PHP modules
+			G_EXEC phpenmod "${aDEPS[@]##*-}"
+
+			# Webserver configs
+			# - Lighttpd
+			if (( ${aSOFTWARE_INSTALL_STATE[84]} > 1 ))
+			then
+				if (( $G_DISTRO < 6 ))
+				then
+					G_CONFIG_INJECT '"mod_setenv"' '	"mod_setenv",' /etc/lighttpd/lighttpd.conf '"mod_.+",'
+				else
+					[[ -f '/etc/lighttpd/conf-enabled/05-setenv.conf' ]] || G_EXEC lighty-enable-mod dietpi-https
+				fi
+				cat << '_EOF_' > /etc/lighttpd/conf-available/98-dietpi-mediawiki.conf
+$HTTP["url"] =~ "^/wiki/images($|/)" {
+	setenv.set-response-header = ("X-Content-Type-Options" => "nosniff")
+}
+_EOF_
+				[[ -f '/etc/lighttpd/conf-enabled/98-dietpi-mediawiki.conf' ]] || lighty-enable-mod dietpi-mediawiki
+
+			# - Nginx
+			elif (( $aSOFTWARE_INSTALL_STATE[85]} > 1 ))
+			then
+				cat << '_EOF_' > /etc/nginx/sites-dietpi/dietpi-mediawiki.conf
+location ^~ /wiki/images {
+	add_header X-Content-Type-Options "nosniff" always;
+}
+_EOF_
+			fi
+
 			# Reinstall: Clean install but preserve existing config file
 			if [[ -f '/var/www/wiki/LocalSettings.php' ]]
 			then