diff --git a/rodolphe/main/views/decorators.py b/rodolphe/main/views/decorators.py
new file mode 100644
index 0000000..8fcca82
--- /dev/null
+++ b/rodolphe/main/views/decorators.py
@@ -0,0 +1,19 @@
+from django.shortcuts import render_to_response
+from django.conf import settings
+from functools import wraps
+
+
+def lock_view(request, *args, **kwargs):
+    return render_to_response('auth.html', {})
+
+def vospapiers(f):
+    @wraps(f)
+    def petit_wrap(request, *args, **kwargs):
+        if settings.PASSWORD:
+            if settings.PASSWORD in request.get_raw_uri():
+                request.session["allowed"] = True
+            if not request.session.get("allowed", False):
+                return lock_view(request, *args, **kwargs)
+        return f(request, *args, **kwargs)
+
+    return petit_wrap
diff --git a/rodolphe/main/views/paging.py b/rodolphe/main/views/paging.py
index bfd7f03..06003c8 100644
--- a/rodolphe/main/views/paging.py
+++ b/rodolphe/main/views/paging.py
@@ -4,8 +4,10 @@
 
 from main.models import Post
 from main.forms import PostForm
+from main.views.decorators import vospapiers
 
 
+@vospapiers
 def page(request):
     paginator = Paginator(Post.objects.filter(active=True, parent=None)
                           .order_by('-last_resp_at'), 10)
diff --git a/rodolphe/main/views/post.py b/rodolphe/main/views/post.py
index 08e8d94..dec49e3 100644
--- a/rodolphe/main/views/post.py
+++ b/rodolphe/main/views/post.py
@@ -7,10 +7,12 @@
 from main.forms import PostForm, DeletePostForm
 from main.views.thread import view
 from main.views.paging import page as home
+from main.views.decorators import vospapiers
 
 import json
 
 
+@vospapiers
 def raw(request, post_id):
     post = get_object_or_404(Post, id=int(post_id), active=True)
     infos = {
@@ -26,6 +28,7 @@ def raw(request, post_id):
     return HttpResponse(json.dumps(infos))
 
 
+@vospapiers
 def edit(request, post_id):
     post = get_object_or_404(Post, id=int(post_id), active=True)
     if request.method == 'POST':
@@ -49,6 +52,7 @@ def edit(request, post_id):
     return render_to_response('edit.html', context)
 
 
+@vospapiers
 def delete(request, post_id):
     post = get_object_or_404(Post, id=int(post_id), active=True)
     if request.method == 'POST':
@@ -71,6 +75,7 @@ def delete(request, post_id):
     return render_to_response('delete.html', context)
 
 
+@vospapiers
 def history(request, post_id):
     post = get_object_or_404(Post, id=int(post_id), active=True)
     hist = [post]
diff --git a/rodolphe/main/views/search.py b/rodolphe/main/views/search.py
index a745b70..9ce1b1f 100644
--- a/rodolphe/main/views/search.py
+++ b/rodolphe/main/views/search.py
@@ -6,8 +6,9 @@
 from main.models import Post
 from main.forms import PostForm
 from utils.search import get_search
+from main.views.decorators import vospapiers
 
-
+@vospapiers
 def search(request):
     q, search = get_search(request)
     paginator = Paginator(Post.objects.filter(q, active=True)
diff --git a/rodolphe/main/views/tag.py b/rodolphe/main/views/tag.py
index dab95ba..40164c5 100644
--- a/rodolphe/main/views/tag.py
+++ b/rodolphe/main/views/tag.py
@@ -8,12 +8,14 @@
 from main.forms import PostForm
 from utils.search import get_search
 from utils.tags import TagsSet
+from main.views.decorators import vospapiers
 
 import re
 from collections import defaultdict
 from urllib.parse import urlencode
 
 
+@vospapiers
 def index(request):
     indexed_tags = defaultdict(list)
     for tag in Tag.objects.all():
diff --git a/rodolphe/main/views/thread.py b/rodolphe/main/views/thread.py
index 13dda06..5d1b5cf 100644
--- a/rodolphe/main/views/thread.py
+++ b/rodolphe/main/views/thread.py
@@ -3,8 +3,10 @@
 
 from main.models import Post
 from main.forms import PostForm
+from main.views.decorators import vospapiers
 
 
+@vospapiers
 def view(request, post_id):
     post = get_object_or_404(Post, id=int(post_id), active=True, parent=None)
     if request.method == 'POST':
@@ -24,6 +26,7 @@ def view(request, post_id):
     return render_to_response('view.html', context)
 
 
+@vospapiers
 def new(request):
     if request.method == 'POST':
         form = PostForm(request.POST, request.FILES, instance=Post.default())
diff --git a/rodolphe/rodolphe/settings.py b/rodolphe/rodolphe/settings.py
index 7a3bf82..d365597 100644
--- a/rodolphe/rodolphe/settings.py
+++ b/rodolphe/rodolphe/settings.py
@@ -93,6 +93,9 @@
 
 TEMPLATE_DIRS = (os.path.join(BASE_DIR, 'templates'),)
 
+# PASSWORD allow to authenticate users with digit based password.
+# No effect if PASSWORD is falsy.
+PASSWORD = "0123"
 
 # Local settings
 
diff --git a/rodolphe/rodolphe/urls.py b/rodolphe/rodolphe/urls.py
index c990035..90872de 100644
--- a/rodolphe/rodolphe/urls.py
+++ b/rodolphe/rodolphe/urls.py
@@ -2,29 +2,30 @@
 from django.conf import settings
 from django.conf.urls.static import static
 from django.views.generic.base import TemplateView
+from main.views import paging, thread, post, tag, search, about
 
 from django.contrib import admin
 admin.autodiscover()
 
 urlpatterns = patterns('',
-    url(r'^$', 'main.views.paging.page'),
+                       url(r'^$', paging.page, name="home"),
 
-    url(r'^view/(?P<post_id>\d+)$', 'main.views.thread.view'),
-    url(r'^new$', 'main.views.thread.new'),
+    url(r'^view/(?P<post_id>\d+)$', thread.view, name="view"),
+    url(r'^new$', thread.new),
 
-    url(r'^raw/(?P<post_id>\d+)$', 'main.views.post.raw'),
-    url(r'^edit/(?P<post_id>\d+)$', 'main.views.post.edit'),
-    url(r'^del/(?P<post_id>\d+)$', 'main.views.post.delete'),
-    url(r'^h/(?P<post_id>\d+)$', 'main.views.post.history'),
+    url(r'^raw/(?P<post_id>\d+)$', post.raw, name="raw"),
+    url(r'^edit/(?P<post_id>\d+)$', post.edit, name="edit"),
+    url(r'^del/(?P<post_id>\d+)$', post.delete, name="delete"),
+    url(r'^h/(?P<post_id>\d+)$', post.history, name="history"),
 
-    url(r'^tags$', 'main.views.tag.index'),
-    url(r'^tag/(?P<pattern>(~?\w+)(\|~?\w+)*)$', 'main.views.tag.search'),
+    url(r'^tags$', tag.index),
+    url(r'^tag/(?P<pattern>(~?\w+)(\|~?\w+)*)$', tag.search, name="search_tag"),
 
-    url(r'^search$', 'main.views.search.search'),
+    url(r'^search$', search.search, name="search"),
 
-    url(r'^about$', 'main.views.about.about'),
-    url(r'^markdown$', 'main.views.about.markdown'),
-    url(r'^render$', 'main.views.about.render'),
+    url(r'^about$', about.about, name="about"),
+    url(r'^markdown$', about.markdown, name="about"),
+    url(r'^render$', about.render),
 
     url(r'^admin/', include(admin.site.urls)),
     url(r'^captcha/', include('captcha.urls')),
diff --git a/rodolphe/templates/auth.html b/rodolphe/templates/auth.html
new file mode 100644
index 0000000..7539bba
--- /dev/null
+++ b/rodolphe/templates/auth.html
@@ -0,0 +1,45 @@
+<html>
+  <head>
+    <style>
+      form {
+        text-align: center;
+      }
+      button {
+        width: 100px;
+        height: 100px;
+        font-size: 5em;
+        margin: 10px;
+      }
+    </style>
+    <script>
+      function compose(e) {
+       	num = e.target.innerHTML;
+	document.getElementById("number").value	+= num;
+      }
+    </script>
+  </head>
+  <body>
+    <form action="">
+      <input id="number" name="number" type="text" />
+      <br/>
+      <button id="box">&#9990;</button>
+      <br />
+      <button onclick="compose(event); return false;">1</button>
+      <button onclick="compose(event); return false;">2</button>
+      <button onclick="compose(event); return false;">3</button>
+      <br />
+      <button onclick="compose(event); return false;">4</button>
+      <button onclick="compose(event); return false;">5</button>
+      <button onclick="compose(event); return false;">6</button>
+      <br />
+      <button onclick="compose(event); return false;">7</button>
+      <button onclick="compose(event); return false;">8</button>
+      <button onclick="compose(event); return false;">9</button>
+      <br/>
+      <button onclick="compose(event); return false;">0</button>
+    </form>
+
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.0.0-beta1/jquery.min.js"></script>
+  </body>
+</html>
+
diff --git a/rodolphe/templates/base.html b/rodolphe/templates/base.html
index 1d56179..d3c2049 100644
--- a/rodolphe/templates/base.html
+++ b/rodolphe/templates/base.html
@@ -14,7 +14,7 @@ <h1>{{SITE_NAME}} <small>{% # pagetitle %}</small></h1>
 
   <nav class="navbar" role="navigation">
     <ul class="nav navbar-nav">
-      <li><a href="{% url 'main.views.home' %}">{% bootstrap_icon "home" %} {% trans "home" %}</a></li>
+      <li><a href="{% url 'home' %}">{% bootstrap_icon "home" %} {% trans "home" %}</a></li>
       <li><a href="{% url 'main.views.thread.new' %}">{% bootstrap_icon "plus" %} {% trans "participate" %}</a></li>
       <li><a href="{% url 'main.views.about.about' %}">{% bootstrap_icon "info-sign" %} {% trans "about" %}</a></li>
       <li><a href="{% url 'main.views.tag.index' %}">{% bootstrap_icon "tag" %} {% trans "tags" %}</a></li>
diff --git a/stable-req.txt b/stable-req.txt
index 0a2b814..02c6ead 100644
--- a/stable-req.txt
+++ b/stable-req.txt
@@ -1,7 +1,7 @@
-Django==1.6.1
+Django==1.9.2
 Markdown==2.3.1
 Pillow==2.3.0
-django-bootstrap3==4.7.0
-django-simple-captcha==0.4.1
+django-bootstrap3
+django-simple-captcha
 fake-factory==0.3.2
-six==1.5.2
+six