1diff --git a/impress/settings.py b/impress/settings.py
2index 9d825095..518aca7f 100755
3--- a/impress/settings.py
4+++ b/impress/settings.py
5@@ -822,19 +822,24 @@ class Production(Base):
6 #
7 # In other cases, you should comment the following line to avoid security issues.
8 # SECURE_PROXY_SSL_HEADER = ("HTTP_X_FORWARDED_PROTO", "https")
9- SECURE_PROXY_SSL_HEADER = ("HTTP_X_FORWARDED_PROTO", "https")
10- SECURE_HSTS_SECONDS = 60
11- SECURE_HSTS_PRELOAD = True
12- SECURE_HSTS_INCLUDE_SUBDOMAINS = True
13- SECURE_SSL_REDIRECT = True
14+ SECURE_PROXY_SSL_HEADER = values.TupleValue(("HTTP_X_FORWARDED_PROTO", "https"),
15+ environ_name="SECURE_PROXY_SSL_HEADER")
16+ SECURE_HSTS_SECONDS = values.IntegerValue(
17+ 60, environ_name="SECURE_HSTS_SECONDS")
18+ SECURE_HSTS_PRELOAD = values.BooleanValue(
19+ True, environ_name="SECURE_HSTS_PRELOAD")
20+ SECURE_HSTS_INCLUDE_SUBDOMAINS = values.BooleanValue(
21+ True, environ_name="SECURE_HSTS_INCLUDE_SUBDOMAINS")
22+ SECURE_SSL_REDIRECT = values.BooleanValue(
23+ True, environ_name="SECURE_SSL_REDIRECT")
24 SECURE_REDIRECT_EXEMPT = [
25 "^__lbheartbeat__",
26 "^__heartbeat__",
27 ]
28
29 # Modern browsers require to have the `secure` attribute on cookies with `Samesite=none`
30- CSRF_COOKIE_SECURE = True
31- SESSION_COOKIE_SECURE = True
32+ CSRF_COOKIE_SECURE = values.BooleanValue(True, environ_name="CSRF_COOKIE_SECURE")
33+ SESSION_COOKIE_SECURE = values.BooleanValue(True, environ_name="SESSION_COOKIE_SECURE")
34
35 # Privacy
36 SECURE_REFERRER_POLICY = "same-origin"