+# Allow server-side fetches to be performed to potentially unknown
+# and user-provided locations. Primarily used in exports when loading
+# in externally referenced assets.
+# Can be 'true' or 'false'.
+ALLOW_UNTRUSTED_SERVER_FETCHING=false
+
+# A list of hosts that BookStack can be iframed within.
+# Space separated if multiple. BookStack host domain is auto-inferred.
+# For Example: ALLOWED_IFRAME_HOSTS="https://example.com https://a.example.com"
+# Setting this option will also auto-adjust cookies to be SameSite=None.
+ALLOWED_IFRAME_HOSTS=null
+
+# A list of sources/hostnames that can be loaded within iframes within BookStack.
+# Space separated if multiple. BookStack host domain is auto-inferred.
+# Can be set to a lone "*" to allow all sources for iframe content (Not advised).
+# Defaults to a set of common services.
+# Current host and source for the "DRAWIO" setting will be auto-appended to the sources configured.
+ALLOWED_IFRAME_SOURCES="https://*.draw.io https://*.youtube.com https://*.youtube-nocookie.com https://*.vimeo.com"
+
+# A list of the sources/hostnames that can be reached by application SSR calls.
+# This is used wherever users can provide URLs/hosts in-platform, like for webhooks.
+# Host-specific functionality (usually controlled via other options) like auth
+# or user avatars for example, won't use this list.
+# Space seperated if multiple. Can use '*' as a wildcard.
+# Values will be compared prefix-matched, case-insensitive, against called SSR urls.
+# Defaults to allow all hosts.
+ALLOWED_SSR_HOSTS="*"
+
+# The default and maximum item-counts for listing API requests.
+API_DEFAULT_ITEM_COUNT=100
+API_MAX_ITEM_COUNT=500
+
+# The number of API requests that can be made per minute by a single user.
+API_REQUESTS_PER_MIN=180
+
+# Enable the logging of failed email+password logins with the given message.
+# The default log channel below uses the php 'error_log' function which commonly
+# results in messages being output to the webserver error logs.
+# The message can contain a %u parameter which will be replaced with the login
+# user identifier (Username or email).
+LOG_FAILED_LOGIN_MESSAGE=false
+LOG_FAILED_LOGIN_CHANNEL=errorlog_plain_webserver
+
+# Alter the precision of IP addresses stored by BookStack.
+# Should be a number between 0 and 4, where 4 retains the full IP address
+# and 0 completely hides the IP address. As an example, a value of 2 for the
+# IP address '146.191.42.4' would result in '146.191.x.x' being logged.
+# For the IPv6 address '2001:db8:85a3:8d3:1319:8a2e:370:7348' this would result as:
+# '2001:db8:85a3:8d3:x:x:x:x'
+IP_ADDRESS_PRECISION=4