diff --git a/AstraOS/astra_os.py b/AstraOS/astra_os.py
index 6827ad5..daecdcf 100644
--- a/AstraOS/astra_os.py
+++ b/AstraOS/astra_os.py
@@ -20,7 +20,26 @@ import asyncio
 import discord
 from discord.ui import Button, View
 from dotenv import load_dotenv
+import time as _time
 load_dotenv()
+
+# ---- Simple login rate limiter (per IP, 0.5s min interval) ----
+_login_last_attempt: dict = {}  # {ip: timestamp}
+_LOGIN_RATE_LIMIT_SECONDS = 0.5
+
+def _check_login_rate_limit(ip: str) -> bool:
+    """Returns True if the request is allowed, False if rate-limited."""
+    now = _time.time()
+    last = _login_last_attempt.get(ip, 0)
+    if now - last < _LOGIN_RATE_LIMIT_SECONDS:
+        return False
+    _login_last_attempt[ip] = now
+    # Cleanup old entries to prevent unbounded growth
+    if len(_login_last_attempt) > 10000:
+        cutoff = now - 60
+        for k in [k for k, v in list(_login_last_attempt.items()) if v < cutoff]:
+            _login_last_attempt.pop(k, None)
+    return True
 async_mode = "eventlet"
 app = Flask(__name__,
             template_folder='Frontend/HTML',
@@ -53,7 +72,7 @@ class SuppressServerLoadFilter(logging.Filter):
 log = logging.getLogger('werkzeug')
 log.addFilter(SuppressServerLoadFilter())
 app.secret_key = os.environ.get('SECRET_KEY', os.urandom(32))
-app.config['PERMANENT_SESSION_LIFETIME'] = timedelta(hours=8)
+app.config['PERMANENT_SESSION_LIFETIME'] = timedelta(days=30)
 app.config['SESSION_COOKIE_SECURE'] = True
 app.config['SESSION_COOKIE_HTTPONLY'] = True
 app.config['SESSION_COOKIE_SAMESITE'] = 'Lax'
@@ -658,6 +677,11 @@ def login():
     if maintenance_status and maintenance_status.get('enabled', False):
         return redirect(url_for('maintenance'))
     if request.method == 'POST':
+        # Rate limit: max 1 attempt per 0.5s per IP
+        _client_ip = request.headers.get('X-Forwarded-For', request.remote_addr or '').split(',')[0].strip()
+        if not _check_login_rate_limit(_client_ip):
+            flash("Zu viele Anmeldeversuche. Bitte warte einen Moment.", "warning")
+            return render_template('login.html')
         username = request.form.get('username')
         password = request.form.get('password')
         if not username or not password: