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pi-hole/advanced/lighttpd.conf.debian
DL6ER f418481b9f
Add security-related headers to Pi-hole web interface
Signed-off-by: DL6ER <dl6er@dl6er.de>
2022-08-06 15:35:01 +02:00

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# Pi-hole: A black hole for Internet advertisements
# (c) 2017 Pi-hole, LLC (https://pi-hole.net)
# Network-wide ad blocking via your own hardware.
#
# Lighttpd config for Pi-hole
#
# This file is copyright under the latest version of the EUPL.
# Please see LICENSE file for your rights under this license.
###############################################################################
# FILE AUTOMATICALLY OVERWRITTEN BY PI-HOLE INSTALL/UPDATE PROCEDURE. #
# ANY CHANGES MADE TO THIS FILE AFTER INSTALL WILL BE LOST ON THE NEXT UPDATE #
# #
# CHANGES SHOULD BE MADE IN A SEPARATE CONFIG FILE: #
# /etc/lighttpd/external.conf #
###############################################################################
server.modules = (
"mod_access",
"mod_accesslog",
"mod_auth",
"mod_expire",
"mod_redirect",
"mod_setenv",
"mod_rewrite"
)
server.document-root = "/var/www/html"
server.error-handler-404 = "/pihole/index.php"
server.upload-dirs = ( "/var/cache/lighttpd/uploads" )
server.errorlog = "/var/log/lighttpd/error-pihole.log"
server.pid-file = "/run/lighttpd.pid"
server.username = "www-data"
server.groupname = "www-data"
server.port = 80
accesslog.filename = "/var/log/lighttpd/access-pihole.log"
accesslog.format = "%{%s}t|%V|%r|%s|%b"
# Allow streaming response
# reference: https://redmine.lighttpd.net/projects/lighttpd/wiki/Server_stream-response-bodyDetails
server.stream-response-body = 1
#ssl.read-ahead = "disable"
index-file.names = ( "index.php", "index.html", "index.lighttpd.html" )
url.access-deny = ( "~", ".inc", ".md", ".yml", ".ini" )
static-file.exclude-extensions = ( ".php", ".pl", ".fcgi" )
mimetype.assign = (
".ico" => "image/x-icon",
".jpeg" => "image/jpeg",
".jpg" => "image/jpeg",
".png" => "image/png",
".svg" => "image/svg+xml",
".css" => "text/css; charset=utf-8",
".html" => "text/html; charset=utf-8",
".js" => "text/javascript; charset=utf-8",
".json" => "application/json; charset=utf-8",
".map" => "application/json; charset=utf-8",
".txt" => "text/plain; charset=utf-8",
".eot" => "application/vnd.ms-fontobject",
".otf" => "font/otf",
".ttc" => "font/collection",
".ttf" => "font/ttf",
".woff" => "font/woff",
".woff2" => "font/woff2"
)
# Add user chosen options held in external file
# This uses include_shell instead of an include wildcard for compatibility
include_shell "cat external.conf 2>/dev/null"
# default listening port for IPv6 falls back to the IPv4 port
include_shell "/usr/share/lighttpd/use-ipv6.pl " + server.port
# Prevent Lighttpd from enabling Let's Encrypt SSL for every blocked domain
#include_shell "/usr/share/lighttpd/include-conf-enabled.pl"
include_shell "find /etc/lighttpd/conf-enabled -name '*.conf' -a ! -name 'letsencrypt.conf' -printf 'include \"%p\"\n' 2>/dev/null"
# If the URL starts with /admin, it is the Web interface
$HTTP["url"] =~ "^/admin/" {
# X-Pi-hole is a response header for debugging using curl -I
# X-Frame-Options prevents clickjacking attacks and helps ensure your content is not embedded into other sites via < frame >, < iframe > or < object >.
# X-XSS-Protection sets the configuration for the cross-site scripting filters built into most browsers. This is important because it tells the browser to block the response if a malicious script has been inserted from a user input.
# X-Content-Type-Options stops a browser from trying to MIME-sniff the content type and forces it to stick with the declared content-type. This is important because the browser will only load external resources if their content-type matches what is expected, and not malicious hidden code.
# Content-Security-Policy tells the browser where resources are allowed to be loaded and if its allowed to parse/run inline styles or Javascript. This is important because it prevents content injection attacks, such as Cross Site Scripting (XSS).
# X-Permitted-Cross-Domain-Policies is an XML document that grants a web client, such as Adobe Flash Player or Adobe Acrobat (though not necessarily limited to these), permission to handle data across domains.
# Referrer-Policy allows control/restriction of the amount of information present in the referral header for links away from your page—the URL path or even if the header is sent at all.
setenv.add-response-header = (
"X-Pi-hole" => "The Pi-hole Web interface is working!",
"X-Frame-Options" => "DENY",
"X-XSS-Protection" => "1; mode=block",
"X-Content-Type-Options" => "nosniff",
"Content-Security-Policy" => "default-src 'self' 'unsafe-inline';",
"X-Permitted-Cross-Domain-Policies" => "none",
"Referrer-Policy" => "same-origin"
)
}
# Block . files from being served, such as .git, .github, .gitignore
$HTTP["url"] =~ "^/admin/\.(.*)" {
url.access-deny = ("")
}
# allow teleporter and API qr code iframe on settings page
$HTTP["url"] =~ "/(teleporter|api_token)\.php$" {
$HTTP["referer"] =~ "/admin/settings\.php" {
setenv.add-response-header = ( "X-Frame-Options" => "SAMEORIGIN" )
}
}
# Default expire header
expire.url = ( "" => "access plus 0 seconds" )