1 files changed, 12 insertions, 0 deletions
diff --git a/spec/requests/user_spoofs_ip_spec.rb b/spec/requests/user_spoofs_ip_spec.rb
new file mode 100644
index 00000000000..8da15665132
--- /dev/null
+++ b/spec/requests/user_spoofs_ip_spec.rb
@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'User spoofs their IP' do
+  it 'raises a 400 error' do
+    get '/nonexistent', headers: { 'Client-Ip' => '1.2.3.4', 'X-Forwarded-For' => '5.6.7.8' }
+
+    expect(response).to have_gitlab_http_status(:bad_request)
+    expect(response.body).to eq('Bad Request')
+  end
+end