diff --git a/src/morphodict/frontend/views.py b/src/morphodict/frontend/views.py
index b0a7c4c8e..0e9eb46ab 100644
--- a/src/morphodict/frontend/views.py
+++ b/src/morphodict/frontend/views.py
@@ -12,6 +12,7 @@
 
 import morphodict.analysis
 from morphodict.search import presentation, search_with_affixes
+from django.contrib.auth import logout
 from morphodict.frontend.forms import WordSearchForm
 from morphodict.paradigm.views import paradigm_context_for_lemma
 from morphodict.phrase_translate.fst import (
@@ -88,6 +89,15 @@ def index(request):  # pragma: no cover
     :return:
     """
 
+    if settings.MORPHODICT_REQUIRES_LOGIN_IN_GROUP:
+        if not request.user.is_authenticated:
+            return redirect("/accounts/login/?next=%s" % request.path)
+        else:
+            groupnames = [x["name"] for x in request.user.groupsvalues("name")]
+            if settings.MORPHODICT_REQUIRES_LOGIN_IN_GROUP not in groupnames:
+                logout(request)
+                return redirect("/accounts/login/?next=%s" % request.path)
+
     user_query = request.GET.get("q", None)
     dict_source = get_dict_source(request)
     search_run = None
diff --git a/src/morphodict/site/settings.py b/src/morphodict/site/settings.py
index 8dfa67a12..f28c432f8 100644
--- a/src/morphodict/site/settings.py
+++ b/src/morphodict/site/settings.py
@@ -385,6 +385,11 @@ def defaultDatabasePath():
 # a different style, with tags like `[VERB][TA]`.
 MORPHODICT_TAG_STYLE = "Plus"
 
+# The basic password setup system.
+MORPHODICT_REQUIRES_LOGIN_IN_GROUP = env(
+    "MORPHODICT_REQUIRES_LOGIN_IN_GROUP", default=False
+)
+
 # The name of the source language, written in the target language. Used in
 # default templates to describe what language the dictionary is for.
 MORPHODICT_SOURCE_LANGUAGE_NAME: RequiredString = _MORPHODICT_REQUIRED_SETTING_SENTINEL
diff --git a/src/morphodict/urls.py b/src/morphodict/urls.py
index c8af777b7..dc337c107 100644
--- a/src/morphodict/urls.py
+++ b/src/morphodict/urls.py
@@ -5,6 +5,7 @@
 from django.conf import settings
 from django.contrib import admin
 from django.contrib.sitemaps.views import sitemap
+from django.contrib.auth import views as auth_views
 from django.contrib.staticfiles.urls import staticfiles_urlpatterns
 from django.urls import include, path
 from django_js_reverse.views import urls_js
@@ -58,6 +59,7 @@
     ################################# Special URLS #################################
     # Reverse URLs in JavaScript:  https://github.com/ierror/django-js-reverse
     path("jsreverse", urls_js, name="js_reverse"),
+    path("accounts/login/", auth_views.LoginView.as_view(), name="user_login"),
 ]
 
 if hasattr(settings, "GOOGLE_SITE_VERIFICATION"):