diff --git a/Gemfile b/Gemfile
index 000dd419f..fb3956c01 100644
--- a/Gemfile
+++ b/Gemfile
@@ -58,15 +58,6 @@ gem 'net-ldap'
 
 gem 'writeexcel'
 
-# Use unicorn as the web server
-# gem 'unicorn'
-
-# Deploy with Capistrano
-# gem 'capistrano'
-
-# To use debugger
-# gem 'ruby-debug'
-
 # event machine
 gem 'eventmachine'
 gem 'em-websocket'
@@ -86,9 +77,6 @@ group :development, :test do
     # UI tests w/ Selenium
     gem 'selenium-webdriver'
 
-    # rest client lib for unit tests
-    gem 'faraday'
-
     # livereload on template changes (html, js, css)
     gem 'guard', '>= 2.2.2', :require => false
     gem 'guard-livereload',  :require => false
diff --git a/app/models/avatar.rb b/app/models/avatar.rb
index 14dfe51d9..da6ea4a6a 100644
--- a/app/models/avatar.rb
+++ b/app/models/avatar.rb
@@ -117,6 +117,7 @@ add a avatar
       # fetch image
       response = UserAgent.get(
         data[:url],
+        {},
         {
           :open_timeout => 4,
           :read_timeout => 6,
diff --git a/lib/geo_ip/zammad_geo_ip.rb b/lib/geo_ip/zammad_geo_ip.rb
index 3c7cce1ff..c167b6635 100644
--- a/lib/geo_ip/zammad_geo_ip.rb
+++ b/lib/geo_ip/zammad_geo_ip.rb
@@ -17,7 +17,9 @@ class GeoIp::ZammadGeoIp
     begin
       response = UserAgent.get(
         "#{host}#{url}",
+        {},
         {
+          :json         => true,
           :open_timeout => 2,
           :read_timeout => 4,
         },
@@ -26,7 +28,7 @@ class GeoIp::ZammadGeoIp
         raise "ERROR: #{response.code.to_s}/#{response.body}"
       end
 
-      data = JSON.parse( response.body )
+      data = response.data
 
       # compat. map
       if data && data['country_code2']
diff --git a/lib/import/otrs2.rb b/lib/import/otrs2.rb
index e96e632a6..e43c5f4f5 100644
--- a/lib/import/otrs2.rb
+++ b/lib/import/otrs2.rb
@@ -55,6 +55,7 @@ module Import::OTRS2
     puts 'GET: ' + url
     response = UserAgent.get(
       url,
+      {},
       {
         :open_timeout => 6,
         :read_timeout => 60,
diff --git a/lib/search_index_backend.rb b/lib/search_index_backend.rb
index 775604b8c..ffe90ba5c 100644
--- a/lib/search_index_backend.rb
+++ b/lib/search_index_backend.rb
@@ -43,18 +43,23 @@ create/update/delete index
       return SearchIndexBackend.remove( data[:name] )
     end
 
-    puts "# curl -X PUT \"#{url}\" -d '#{data[:data].to_json}'"
+    puts "# curl -X PUT \"#{url}\" \\"
+    #puts "-d '#{data[:data].to_json}'"
 
-    conn     = connection( url )
-    response = conn.put do |req|
-      req.url url
-      req.headers['Content-Type'] = 'application/json'
-      req.body = data[:data].to_json
-    end
-    puts "# #{response.status.to_s}"
+    response = UserAgent.put(
+      url,
+      data[:data],
+      {
+        :json         => true,
+        :open_timeout => 5,
+        :read_timeout => 14,
+        :user         => Setting.get('es_user'),
+        :password     => Setting.get('es_password'),
+      }
+    )
+    puts "# #{response.code.to_s}"
     return true if response.success?
-    data = JSON.parse( response.body )
-    raise data.inspect
+    raise response.body
   end
 
 =begin
@@ -70,18 +75,23 @@ add new object to search index
     url = build_url( type, data['id'] )
     return if !url
 
-    puts "# curl -X POST \"#{url}\" -d '#{data.to_json}'"
+    puts "# curl -X POST \"#{url}\" \\"
+    #puts "-d '#{data.to_json}'"
 
-    conn     = connection( url )
-    response = conn.post do |req|
-      req.url url
-      req.headers['Content-Type'] = 'application/json'
-      req.body = data.to_json
-    end
-    puts "# #{response.status.to_s}"
+    response = UserAgent.post(
+      url,
+      data,
+      {
+        :json         => true,
+        :open_timeout => 5,
+        :read_timeout => 14,
+        :user         => Setting.get('es_user'),
+        :password     => Setting.get('es_password'),
+      }
+    )
+    puts "# #{response.code.to_s}"
     return true if response.success?
-    data = JSON.parse( response.body )
-    raise data.inspect
+    raise response.body
   end
 
 =begin
@@ -100,13 +110,18 @@ remove whole data from index
 
     puts "# curl -X DELETE \"#{url}\""
 
-    conn     = connection( url )
-    response = conn.delete( url )
-    puts "# #{response.status.to_s}"
-    return false if !response.success?
-    data = JSON.parse( response.body )
-#    raise data.inspect
-    return { :data => data, :response => response }
+    response = UserAgent.delete(
+      url,
+      {
+        :open_timeout => 5,
+        :read_timeout => 14,
+        :user         => Setting.get('es_user'),
+        :password     => Setting.get('es_password'),
+      }
+    )
+    #puts "# #{response.code.to_s}"
+    return true if response.success?
+    #raise response.body
   end
 
 =begin
@@ -177,19 +192,27 @@ return search result
     }
     data['query']['bool']['must'].push condition
 
-    puts "# curl -X POST \"#{url}\" -d '#{data.to_json}'"
+    puts "# curl -X POST \"#{url}\" \\"
+    #puts " -d'#{data.to_json}'"
 
-    conn     = connection( url )
-    response = conn.get do |req|
-      req.headers['Content-Type'] = 'application/json'
-      req.body = data.to_json
-    end
-    puts "# #{response.status.to_s}"
-    data = JSON.parse( response.body )
+    response = UserAgent.get(
+      url,
+      data,
+      {
+        :json         => true,
+        :open_timeout => 5,
+        :read_timeout => 14,
+        :user         => Setting.get('es_user'),
+        :password     => Setting.get('es_password'),
+      }
+    )
+
+    puts "# #{response.code.to_s}"
     if !response.success?
       return []
 #      raise data.inspect
     end
+    data = response.data
 
     ids = []
     return ids if !data
@@ -239,14 +262,4 @@ return true if backend is configured
     url
   end
 
-  def self.connection( url )
-    conn = Faraday.new( :url => url, :request => { :open_timeout => 5, :timeout => 10 } )
-    user = Setting.get('es_user')
-    pw   = Setting.get('es_password')
-    if user && !user.empty? && pw && !pw.empty?
-      conn.basic_auth( user, pw )
-    end
-    conn
-  end
-
 end
\ No newline at end of file
diff --git a/lib/user_agent.rb b/lib/user_agent.rb
index 13d0c99ad..d881f8fbd 100644
--- a/lib/user_agent.rb
+++ b/lib/user_agent.rb
@@ -15,6 +15,9 @@ get http/https calls
 
   result = UserAgent.get(
     'http://host/some_dir/some_file?param1=123',
+    {
+      :param1 => 'some value',
+    },
     {
       :open_timeout => 2,
       :read_timeout => 4,
@@ -27,7 +30,7 @@ returns
 
 =end
 
-  def self.get(url, options = {}, count = 10)
+  def self.get(url, params = {}, options = {}, count = 10)
     uri  = URI.parse(url)
     http = get_http(uri, options)
 
@@ -37,10 +40,13 @@ returns
     # http basic auth (if needed)
     request = set_basic_auth(request, options)
 
+    # set params
+    request = set_params(request, params, options)
+
     # start http call
     begin
       response = http.request(request)
-      return process(response, uri, count, options)
+      return process(response, uri, count, params, options)
     rescue Exception => e
       return Result.new(
         :error   => e.inspect,
@@ -80,7 +86,7 @@ returns
     request = Net::HTTP::Post.new( uri, {'User-Agent' => 'Zammad User Agent'} )
 
     # set params
-    request.set_form_data( params )
+    request = set_params(request, params, options)
 
     # http basic auth (if needed)
     request = set_basic_auth(request, options)
@@ -88,7 +94,7 @@ returns
     # start http call
     begin
       response = http.request(request)
-      return process(response, uri, count, options)
+      return process(response, uri, count, params, options)
     rescue Exception => e
       return Result.new(
         :error   => e.inspect,
@@ -128,7 +134,7 @@ returns
     request = Net::HTTP::Put.new( uri, {'User-Agent' => 'Zammad User Agent'} )
 
     # set params
-    request.set_form_data( params )
+    request = set_params(request, params, options)
 
     # http basic auth (if needed)
     request = set_basic_auth(request, options)
@@ -136,7 +142,7 @@ returns
     # start http call
     begin
       response = http.request(request)
-      return process(response, uri, count, options)
+      return process(response, uri, count, params, options)
     rescue Exception => e
       return Result.new(
         :error   => e.inspect,
@@ -177,7 +183,7 @@ returns
     # start http call
     begin
       response = http.request(request)
-      return process(response, uri, count, options)
+      return process(response, uri, count, {}, options)
     rescue Exception => e
       return Result.new(
         :error   => e.inspect,
@@ -219,7 +225,7 @@ returns
     when /ftp/
       ftp(uri, options)
     when /http|https/
-      get( url, options )
+      get( url, {}, options )
     end
 
   end
@@ -249,7 +255,20 @@ returns
       request
     end
 
-    def self.process(response, uri, count, options = {})
+    def self.set_params(request, params, options)
+      if options[:json]
+        request.add_field("Content-Type", "application/json")
+        if !params.empty?
+          request.body = params.to_json
+        end
+      else
+        if !params.empty?
+          request.set_form_data( params )
+        end
+      end
+      request
+    end
+    def self.process(response, uri, count, params, options)
       if !response
         return Result.new(
           :error   => "Can't connect to #{uri.to_s}, got no response!",
@@ -281,10 +300,15 @@ returns
       when Net::HTTPRedirection
         raise "Too many redirections for the original URL, halting." if count <= 0
         url = response['location']
-        return get(url, options, count - 1)
+        return get(url, params, options, count - 1)
 
       when Net::HTTPOK
+        data = nil
+        if options[:json] && response.body
+          data = JSON.parse( response.body )
+        end
         return Result.new(
+          :data         => data,
           :body         => response.body,
           :content_type => response['Content-Type'],
           :success      => true,
@@ -344,6 +368,7 @@ returns
     def initialize(options)
       @success      = options[:success]
       @body         = options[:body]
+      @data         = options[:data]
       @code         = options[:code]
       @content_type = options[:content_type]
       @error        = options[:error]
@@ -357,6 +382,9 @@ returns
     def body
       @body
     end
+    def data
+      @data
+    end
     def code
       @code
     end
diff --git a/test/integration/user_agent_test.rb b/test/integration/user_agent_test.rb
index 02945859d..f720e47e9 100644
--- a/test/integration/user_agent_test.rb
+++ b/test/integration/user_agent_test.rb
@@ -18,6 +18,7 @@ class UserAgentTest < ActiveSupport::TestCase
     assert_equal(String, result.body.class)
     assert(result.body =~ /"get"/)
     assert(result.body =~ /"123"/)
+    assert(result.body =~ /"text\/plain"/)
 
     # get / 404
     result = UserAgent.get(
@@ -41,6 +42,7 @@ class UserAgentTest < ActiveSupport::TestCase
     assert_equal(String, result.body.class)
     assert(result.body =~ /"post"/)
     assert(result.body =~ /"some value"/)
+    assert(result.body =~ /"application\/x-www-form-urlencoded"/)
 
     # post / 404
     result = UserAgent.post(
@@ -67,6 +69,7 @@ class UserAgentTest < ActiveSupport::TestCase
     assert_equal(String, result.body.class)
     assert(result.body =~ /"put"/)
     assert(result.body =~ /"some value"/)
+    assert(result.body =~ /"application\/x-www-form-urlencoded"/)
 
     # put / 404
     result = UserAgent.put(
@@ -89,6 +92,7 @@ class UserAgentTest < ActiveSupport::TestCase
     assert_equal('200', result.code)
     assert_equal(String, result.body.class)
     assert(result.body =~ /"delete"/)
+    assert(result.body =~ /"text\/plain"/)
 
     # delete / 404
     result = UserAgent.delete(
@@ -106,6 +110,7 @@ class UserAgentTest < ActiveSupport::TestCase
     # get / 200
     result = UserAgent.get(
       "#{host}/test_basic_auth/get/1?submitted=123",
+      {},
       {
         :user     => 'basic_auth_user',
         :password => 'test123',
@@ -117,10 +122,12 @@ class UserAgentTest < ActiveSupport::TestCase
     assert_equal(String, result.body.class)
     assert(result.body =~ /"get"/)
     assert(result.body =~ /"123"/)
+    assert(result.body =~ /"text\/plain"/)
 
     # get / 401
     result = UserAgent.get(
       "#{host}/test_basic_auth/get/1?submitted=123",
+      {},
       {
         :user     => 'basic_auth_user_not_existing',
         :password => 'test<>123',
@@ -148,6 +155,7 @@ class UserAgentTest < ActiveSupport::TestCase
     assert_equal(String, result.body.class)
     assert(result.body =~ /"post"/)
     assert(result.body =~ /"some value"/)
+    assert(result.body =~ /"application\/x-www-form-urlencoded"/)
 
     # post / 401
     result = UserAgent.post(
@@ -182,6 +190,7 @@ class UserAgentTest < ActiveSupport::TestCase
     assert_equal(String, result.body.class)
     assert(result.body =~ /"put"/)
     assert(result.body =~ /"some value"/)
+    assert(result.body =~ /"application\/x-www-form-urlencoded"/)
 
     # put / 401
     result = UserAgent.put(
@@ -213,6 +222,7 @@ class UserAgentTest < ActiveSupport::TestCase
     assert_equal('200', result.code)
     assert_equal(String, result.body.class)
     assert(result.body =~ /"delete"/)
+    assert(result.body =~ /"text\/plain"/)
 
     # delete / 401
     result = UserAgent.delete(
@@ -241,6 +251,7 @@ class UserAgentTest < ActiveSupport::TestCase
     assert_equal(String, result.body.class)
     assert(result.body =~ /"get"/)
     assert(result.body =~ /"abc"/)
+    assert(result.body =~ /"text\/plain"/)
 
 
     # get / 301
@@ -257,6 +268,7 @@ class UserAgentTest < ActiveSupport::TestCase
     assert_equal(String, result.body.class)
     assert(result.body =~ /"get"/)
     assert(result.body =~ /"abc"/)
+    assert(result.body =~ /"text\/plain"/)
 
 
     # get / 401
@@ -286,6 +298,7 @@ class UserAgentTest < ActiveSupport::TestCase
     assert_equal(String, result.body.class)
     assert(result.body =~ /"get"/)
     assert(result.body =~ /"123"/)
+    assert(result.body =~ /"text\/plain"/)
 
     # ftp / 200
     result = UserAgent.request(
@@ -378,6 +391,7 @@ class UserAgentTest < ActiveSupport::TestCase
     # get / timeout
     result = UserAgent.get(
       "#{host}/test/get/3?submitted=123",
+      {},
       {
         :open_timeout => 1,
         :read_timeout => 1,
@@ -405,4 +419,60 @@ class UserAgentTest < ActiveSupport::TestCase
     assert_equal(NilClass, result.body.class)
   end
 
+  # check
+  test 'check json' do
+
+    # get / 200
+    result = UserAgent.get(
+      "#{host}/test/get/1",
+      {
+        :submitted => { :key => 'some value ' }
+      },
+      {
+        :json => true,
+      }
+    )
+    assert(result)
+    assert_equal(true, result.success?)
+    assert_equal('200', result.code)
+    assert_equal(String, result.body.class)
+    assert(result.body =~ /"content_type_requested"/)
+    assert(result.body =~ /"application\/json"/)
+    assert_equal('some value ', result.data['submitted']['key'])
+
+    # get / 401
+    result = UserAgent.get(
+      "#{host}/test/not_existing",
+      {
+        :submitted => { :key => 'some value ' }
+      },
+      {
+        :json => true,
+      }
+    )
+    assert(result)
+    assert_equal(false, result.success?)
+    assert_equal('404', result.code)
+    assert_equal(NilClass, result.body.class)
+    assert(!result.data)
+
+    # post / 200
+    result = UserAgent.post(
+      "#{host}/test/post/1",
+      {
+        :submitted => { :key => 'some value ' }
+      },
+      {
+        :json => true,
+      }
+    )
+    assert(result)
+    assert_equal(true, result.success?)
+    assert_equal('200', result.code)
+    assert_equal(String, result.body.class)
+    assert(result.body =~ /"content_type_requested"/)
+    assert(result.body =~ /"application\/json"/)
+    assert_equal('some value ', result.data['submitted']['key'])
+  end
+
 end
\ No newline at end of file
diff --git a/test/unit/rest_test.rb b/test/unit/rest_test.rb
index f02aca9eb..291220b79 100644
--- a/test/unit/rest_test.rb
+++ b/test/unit/rest_test.rb
@@ -231,7 +231,9 @@ class RestTest < ActiveSupport::TestCase
 
     response = UserAgent.get(
       "#{ENV['BROWSER_URL']}#{url}",
+      {},
       {
+        :json     => true,
         :user     => user,
         :password => pw,
       }
@@ -239,11 +241,7 @@ class RestTest < ActiveSupport::TestCase
     #puts 'URL: ' + url
     #puts response.code.to_s
     #puts response.body.to_s
-    data = nil
-    if response.body
-      data = JSON.parse( response.body )
-    end
-    return { :data => data, :response => response }
+    return { :data => response.data, :response => response }
   end
 end