diff --git a/configs/docker_config.py b/configs/docker_config.py
index e2bbc62..1723556 100644
--- a/configs/docker_config.py
+++ b/configs/docker_config.py
@@ -47,7 +47,8 @@ legal_envvars = (
     'SAML_ASSERTION_ENCRYPTED',
     'OFFLINE_MODE',
     'REMOTE_USER_LOGOUT_URL',
-    'REMOTE_USER_COOKIES'
+    'REMOTE_USER_COOKIES',
+    'FILESYSTEM_SESSIONS_ENABLED'
 )
 
 legal_envvars_int = ('PORT', 'MAIL_PORT', 'SAML_METADATA_CACHE_LIFETIME')
@@ -65,7 +66,8 @@ legal_envvars_bool = (
     'SAML_LOGOUT',
     'SAML_ASSERTION_ENCRYPTED',
     'OFFLINE_MODE',
-    'REMOTE_USER_ENABLED'
+    'REMOTE_USER_ENABLED',
+    'FILESYSTEM_SESSIONS_ENABLED'
 )
 
 # import everything from environment variables
diff --git a/powerdnsadmin/__init__.py b/powerdnsadmin/__init__.py
index e6ac703..a8270b0 100755
--- a/powerdnsadmin/__init__.py
+++ b/powerdnsadmin/__init__.py
@@ -4,6 +4,7 @@ from flask import Flask
 from flask_seasurf import SeaSurf
 from flask_mail import Mail
 from werkzeug.middleware.proxy_fix import ProxyFix
+from flask_session import Session
 
 from .lib import utils
 
@@ -78,6 +79,12 @@ def create_app(config=None):
         from flask_sslify import SSLify
         _sslify = SSLify(app)  # lgtm [py/unused-local-variable]
 
+    # Load Flask-Session
+    if app.config.get('FILESYSTEM_SESSIONS_ENABLED'):
+        app.config['SESSION_TYPE'] = 'filesystem'
+        sess = Session()
+        sess.init_app(app)
+
     # SMTP
     app.mail = Mail(app)
 
diff --git a/powerdnsadmin/default_config.py b/powerdnsadmin/default_config.py
index ce09bcc..42b26b4 100644
--- a/powerdnsadmin/default_config.py
+++ b/powerdnsadmin/default_config.py
@@ -8,6 +8,7 @@ BIND_ADDRESS = '0.0.0.0'
 PORT = 9191
 HSTS_ENABLED = False
 OFFLINE_MODE = False
+FILESYSTEM_SESSIONS_ENABLED = False
 
 ### DATABASE CONFIG
 SQLA_DB_USER = 'pda'
diff --git a/requirements.txt b/requirements.txt
index cbcce1f..2fce905 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,3 +27,4 @@ pytimeparse==1.1.8
 PyYAML==5.3.1
 Flask-SSLify==0.1.5
 Flask-Mail==0.9.1
+flask-session==0.3.2
\ No newline at end of file