diff --git a/.env b/.env
new file mode 100644
index 0000000..e69de29
diff --git a/Gemfile b/Gemfile
index 6e8adef..d292bac 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source "http://rubygems.org"
 gem "sinatra"
 gem "json"
-gem "rack"
+gem "rack", ">= 1.6.12"
 gem "rspec"
 gem "simplecov"
 gem "sinatra-cross_origin"
diff --git a/Gemfile.lock b/Gemfile.lock
index f9d90d3..eeba3c5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -34,7 +34,7 @@ GEM
     json (2.1.0)
     minitest (5.11.3)
     public_suffix (3.0.3)
-    rack (1.6.11)
+    rack (1.6.12)
     rack-protection (1.5.5)
       rack
     rack-test (1.1.0)
@@ -83,7 +83,7 @@ DEPENDENCIES
   codeclimate-test-reporter (~> 1.0, >= 1.0.8)
   factory_bot
   json
-  rack
+  rack (>= 1.6.12)
   rack-test
   rspec
   simplecov
diff --git a/README.md b/README.md
index 5d639a4..6d3d187 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ But if you really want to install and work with the reconciler locally, you can
 
 ## test
 
-`curl http://localhost:4567/heartbeat`
+`curl http://localhost:9292/heartbeat`
 
 You should see something like:
 
diff --git a/app.rb b/app.rb
index 0d35915..39532b8 100644
--- a/app.rb
+++ b/app.rb
@@ -4,8 +4,7 @@
 require 'open-uri'
 
 set :bind, '0.0.0.0'
-set :protection, except: :frame_options
-
+set :protection, :except=>[:frame_options,:path_traversal]
 ROR_API = 'https://api.ror.org'.freeze
 ROR_RECON = 'https://reconcile.ror.org'.freeze
 MAX_RESULTS = 5
diff --git a/example/publisher_affiliation_names_with_local_ids.txt b/example/publisher_affiliation_names_with_local_ids.txt
new file mode 100644
index 0000000..e4c258d
--- /dev/null
+++ b/example/publisher_affiliation_names_with_local_ids.txt
@@ -0,0 +1,16 @@
+publisher_id	name
+1000001	University of Oxford
+1000002	Oxford University
+1000003	Welcome Trust
+1000004	US Department of Transportation
+1000005	National Aeronautics and Space Administration
+1000006	National Institutes of Health
+1000007	U.S. Department of Transportation
+1000008	US Department of Transport
+1000009	NASA
+1000010	Wellcome Trust
+1000011	Sloan Foundation
+1000012	National Institute of Health
+1000013	All Souls College, University of Oxford
+1000014	Oxfnord University
+1000015	The Foundation for Psychoceramics