diff --git a/app/controllers/admin/users_controller.rb b/app/controllers/admin/users_controller.rb
index 21b1ffb5..5f562236 100644
--- a/app/controllers/admin/users_controller.rb
+++ b/app/controllers/admin/users_controller.rb
@@ -32,9 +32,12 @@ module Admin
     # for more information
 
     def authenticate_admin
-      super # apply the generic rules for authentication in the admin panel...
-      
-      # ...plus this one
+      unless user_signed_in?
+        flash[:alert] = "You must be logged in to access this page."
+        redirect_to new_user_session_path
+        return
+      end
+
       unless current_user.admin?
         flash[:alert] = "You do not have the privilegies to access this page."
         redirect_to root_path
diff --git a/app/models/user.rb b/app/models/user.rb
index f1ea4246..71e90fa7 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -6,7 +6,7 @@ class User < ApplicationRecord
   enum role: [:user, :moderator, :admin]
   after_initialize :set_default_role, if: :new_record?
 
-  validates :full_name, presence: true
+  validates :full_name, presence: true, length: { in: 2..32 }
 
   def set_default_role
     self.role ||= :user
diff --git a/spec/factories/users.rb b/spec/factories/users.rb
index aca14d20..f1dde099 100644
--- a/spec/factories/users.rb
+++ b/spec/factories/users.rb
@@ -5,4 +5,20 @@ FactoryBot.define do
     full_name { "First Last" }
     password { "password" }
   end
+
+  factory :moderator, class: User do
+    sequence(:email) { |n| "mod#{n}@example.com" }
+    
+    full_name { "First Last" }
+    password { "password" }
+    role { "moderator" }
+  end
+
+  factory :admin, class: User do
+    sequence(:email) { |n| "admin#{n}@example.com" }
+    
+    full_name { "First Last" }
+    password { "password" }
+    role { "admin" }
+  end
 end
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 8c6b3403..ce4b7597 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -2,10 +2,38 @@ require 'rails_helper'
 
 RSpec.describe User, type: :model do
   
-  let(:user) { User.new(email: 'example@example.com', password: 'password') }
+  let(:user) { FactoryBot.build(:user) }
+  let(:nilname_user) { FactoryBot.build(:user, full_name: nil) }
+  let(:emptyname_user) { FactoryBot.build(:user, full_name: "") }
+  let(:short_user) { FactoryBot.build(:user, full_name: "a") }
+  let(:long_user) { FactoryBot.build(:user, full_name: "a" * 33) }
 
   it 'creates a user with role "user" by default' do
     expect(user.role).to eq('user')
   end
 
+  it 'has a non-nil and non-empty full name' do
+    expect(nilname_user.valid?).to be_falsy
+    expect(emptyname_user.valid?).to be_falsy
+  end
+
+  it 'has a full name between 2 and 32 characters' do
+    expect(short_user.valid?).to be_falsy
+    expect(long_user.valid?).to be_falsy
+
+
+    short_user.full_name = "a" * 2;
+    long_user.full_name = "a" * 32;
+
+    expect(short_user.valid?).to be_truthy
+    expect(long_user.valid?).to be_truthy
+  end
+
+  it 'has an email that must contain a @' do
+    invalid_email_user = User.new(full_name: "Valid name", email: "invalid email", password: "password")
+
+    expect(invalid_email_user.valid?).to be_falsy
+    expect(user.valid?).to be_truthy
+  end
+
 end
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index d73d80bd..f80b2481 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -20,7 +20,7 @@ require 'rspec/rails'
 # directory. Alternatively, in the individual `*_spec.rb` files, manually
 # require only the support files necessary.
 #
-# Dir[Rails.root.join('spec', 'support', '**', '*.rb')].each { |f| require f }
+Dir[Rails.root.join('spec', 'support', '**', '*.rb')].each { |f| require f }
 
 # Checks for pending migrations and applies them before tests are run.
 # If you are not using ActiveRecord, you can remove these lines.
diff --git a/spec/requests/admin_panel_spec.rb b/spec/requests/admin_panel_spec.rb
new file mode 100644
index 00000000..6c913fc4
--- /dev/null
+++ b/spec/requests/admin_panel_spec.rb
@@ -0,0 +1,47 @@
+require 'rails_helper'
+
+RSpec.describe 'Requests to the admin panel', type: :request do
+  let(:user) { FactoryBot.create(:user) }
+  let(:moderator) { FactoryBot.create(:moderator) }
+  let(:admin) { FactoryBot.create(:admin) }
+
+  before(:each) do
+    user.confirm
+    moderator.confirm
+    admin.confirm
+  end
+  
+  it 'requires a logged-in admin to administrate Users' do
+    get admin_users_path
+    expect(response).to redirect_to(new_user_session_path)
+
+    sign_in user
+    get admin_users_path
+    expect(response).to redirect_to(root_path)
+
+    sign_in moderator
+    get admin_users_path
+    expect(response).to redirect_to(root_path)
+
+    sign_in admin
+    get admin_users_path
+    expect(response).to have_http_status(:success)
+  end
+
+  it 'requires at least a logged-in moderator to administrate Boards' do
+    get admin_boards_path
+    expect(response).to redirect_to(new_user_session_path)
+
+    sign_in user
+    get admin_boards_path
+    expect(response).to redirect_to(root_path)
+
+    sign_in moderator
+    get admin_boards_path
+    expect(response).to have_http_status(:success)
+
+    sign_in admin
+    get admin_boards_path
+    expect(response).to have_http_status(:success)
+  end
+end
\ No newline at end of file