diff --git a/Gemfile b/Gemfile
index 9e64055..6d82d50 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,6 @@
 source 'https://rubygems.org'
 
+gem 'rake'
 gem 'httparty'
 gem 'nokogiri'
 gem 'net-ssh', '>= 2.9.2.beta'
@@ -8,9 +9,9 @@ gem 'tcp_timeout'
 gem 'parallel'
 gem 'ruby-progressbar'
 gem 'logging'
-gem 'activerecord'
-gem 'sqlite3'
-gem 'rake'
+#gem 'activerecord'
+#gem 'sqlite3'
+gem 'colorize'
 
 group :test do
 	gem 'rspec'
diff --git a/Makefile b/Makefile
index dffeb84..428927d 100644
--- a/Makefile
+++ b/Makefile
@@ -34,13 +34,15 @@ $(OPENSSL_DIR)/:
 $(OPENSSL_DIR)/Makefile: | $(OPENSSL_DIR)/
 	cd $(OPENSSL_DIR); ./config shared
 
-$(OPENSSL_DIR)/libssl.so.1.0.0 $(OPENSSL_DIR)/libcrypto.so.1.0.0: $(OPENSSL_DIR)/Makefile
+$(OPENSSL_DIR)/libssl.so $(OPENSSL_DIR)/libcrypto.so: $(OPENSSL_DIR)/Makefile
 	$(MAKE) -C $(OPENSSL_DIR) depend build_libs
 
+lib/%.so: $(OPENSSL_DIR)/%.so
+	cp $< $@
 lib/%.so.1.0.0: $(OPENSSL_DIR)/%.so.1.0.0
 	cp $< $@
 
-libs: lib/libssl.so.1.0.0 lib/libcrypto.so.1.0.0
+libs: lib/libssl.so lib/libcrypto.so lib/libssl.so.1.0.0 lib/libcrypto.so.1.0.0
 
 $(RUBY_DIR)/:
 	wget http://cache.ruby-lang.org/pub/ruby/$(RUBY_MAJOR_VERSION)/$(RUBY_DIR).tar.gz
diff --git a/bin/check_https.rb b/bin/check_https.rb
index d375821..6df5a07 100755
--- a/bin/check_https.rb
+++ b/bin/check_https.rb
@@ -2,18 +2,18 @@
 $:.unshift File.expand_path File.join File.dirname(__FILE__), '../lib'
 require 'rubygems'
 require 'bundler/setup'
-require 'logging'
 require 'cryptcheck'
 
 name = ARGV[0] || 'index'
 file = ::File.join 'output', "#{name}.yml"
 
 if ::File.exist? file
+	::CryptCheck::Logger.level = :none
 	::CryptCheck::Tls::Https.analyze_from_file "output/#{name}.yml", "output/#{name}.html"
 else
-	::Logging.logger.root.appenders = ::Logging.appenders.stdout
-	::Logging.logger.root.level = :warn
-
+	::CryptCheck::Logger.level = :info
 	server = ::CryptCheck::Tls::Https::Server.new(ARGV[0], ARGV[1] || 443)
-	p grade = ::CryptCheck::Tls::Https::Grade.new(server)
+	grade = ::CryptCheck::Tls::Https::Grade.new server
+	::CryptCheck::Logger.info { '' }
+	grade.display
 end
diff --git a/bin/check_https_alexa.rb b/bin/check_https_alexa.rb
index c803690..ee78231 100755
--- a/bin/check_https_alexa.rb
+++ b/bin/check_https_alexa.rb
@@ -7,8 +7,7 @@ require 'cryptcheck'
 
 GROUP_NAME = 'Top 100 Alexa'
 
-::Logging.logger.root.appenders = ::Logging.appenders.stdout
-::Logging.logger.root.level = :error
+::CryptCheck::Logger.level = :none
 
 hosts = []
 ::File.open('top-1m.csv', 'r') do |file|
diff --git a/bin/check_smtp.rb b/bin/check_smtp.rb
index 69e82d8..349423d 100755
--- a/bin/check_smtp.rb
+++ b/bin/check_smtp.rb
@@ -6,14 +6,15 @@ require 'logging'
 require 'cryptcheck'
 
 name = ARGV[0]
-unless name
-	::CryptCheck::Tls::Smtp.analyze_from_file 'output/smtp.yml', 'output/smtp.html'
-else
-	::Logging.logger.root.appenders = ::Logging.appenders.stdout
-	::Logging.logger.root.level = :warn
-
+if name
+	::CryptCheck::Logger.level = :info
 	server = ::CryptCheck::Tls::Smtp::Server.new(ARGV[0], ARGV[1] || 25)
-	p grade = ::CryptCheck::Tls::Smtp::Grade.new(server)
+	grade = ::CryptCheck::Tls::Smtp::Grade.new server
+	::CryptCheck::Logger.info { '' }
+	grade.display
+else
+	::CryptCheck::Logger.level = :none
+	::CryptCheck::Tls::Smtp.analyze_from_file 'output/smtp.yml', 'output/smtp.html'
 end
 
 
diff --git a/bin/check_xmpp.rb b/bin/check_xmpp.rb
index 132e7f7..c9a8698 100755
--- a/bin/check_xmpp.rb
+++ b/bin/check_xmpp.rb
@@ -7,12 +7,13 @@ require 'cryptcheck'
 
 name = ARGV[0]
 if name
-	::Logging.logger.root.appenders = ::Logging.appenders.stdout
-	::Logging.logger.root.level = :warn
-
+	::CryptCheck::Logger.level = :info
 	server = ::CryptCheck::Tls::Xmpp::Server.new(name, ARGV[1] || :s2s)
-	p grade = ::CryptCheck::Tls::Xmpp::Grade.new(server)
+	grade = ::CryptCheck::Tls::Xmpp::Grade.new(server)
+	::CryptCheck::Logger.info { '' }
+	grade.display
 else
+	::CryptCheck::Logger.level = :none
 	::CryptCheck::Tls::Xmpp.analyze_from_file 'output/xmpp.yml', 'output/xmpp.html'
 end
 
diff --git a/lib/cryptcheck.rb b/lib/cryptcheck.rb
index cb9cb9c..f350c31 100644
--- a/lib/cryptcheck.rb
+++ b/lib/cryptcheck.rb
@@ -1,4 +1,7 @@
+require 'colorize'
+
 module CryptCheck
+	autoload :Logger, 'cryptcheck/logger'
 	autoload :Tls, 'cryptcheck/tls'
 	module Tls
 		autoload :Server, 'cryptcheck/tls/server'
diff --git a/lib/cryptcheck/logger.rb b/lib/cryptcheck/logger.rb
new file mode 100644
index 0000000..bcd60c5
--- /dev/null
+++ b/lib/cryptcheck/logger.rb
@@ -0,0 +1,28 @@
+module CryptCheck
+	class Logger
+		LEVELS = %i(trace debug info warning error fatal none)
+		@@level = :info
+
+		def self.level=(level)
+			@@level = level
+		end
+
+		def self.log(level, string=nil, output: $stdout, &block)
+			return unless enabled? level
+			output.puts(string ? string : block.call)
+		end
+
+		LEVELS.each do |level|
+			class_eval <<-RUBY_EVAL, __FILE__, __LINE__ + 1
+				def self.#{level}(string=nil, output: $stdout, &block)
+					self.log :#{level}, string, output: output, &block
+				end
+			RUBY_EVAL
+		end
+
+		private
+		def self.enabled?(level)
+			LEVELS.index(level) >= LEVELS.index(@@level)
+		end
+	end
+end
diff --git a/lib/cryptcheck/tls.rb b/lib/cryptcheck/tls.rb
index c4f89ca..239344a 100644
--- a/lib/cryptcheck/tls.rb
+++ b/lib/cryptcheck/tls.rb
@@ -5,20 +5,46 @@ require 'parallel'
 module CryptCheck
 	module Tls
 		MAX_ANALYSIS_DURATION = 600
-		PARALLEL_ANALYSIS = 10
-		@@log = ::Logging.logger[Tls]
+		PARALLEL_ANALYSIS     = 10
+
+		TYPES = {
+				md5:       %w(MD5),
+				sha1:      %w(SHA),
+
+				psk:       %w(PSK),
+				srp:       %w(SRP),
+				anonymous: %w(ADH AECDH),
+
+				dss:       %w(DSS),
+
+				null:      %w(NULL),
+				export:    %w(EXP),
+				des:       %w(DES-CBC),
+				rc4:       %w(RC4),
+				des3:      %w(3DES DES-CBC3),
+
+				pfs:       %w(DHE EDH ECDHE ECDH)
+		}
+
+		TYPES.each do |name, ciphers|
+			class_eval <<-RUBY_EVAL, __FILE__, __LINE__ + 1
+				def self.#{name}?(cipher)
+					#{ciphers}.any? { |c| /(^|-)#\{c\}(-|$)/ =~ cipher }
+				end
+			RUBY_EVAL
+		end
 
 		def self.grade(hostname, port, server_class:, grade_class:)
 			timeout MAX_ANALYSIS_DURATION do
 				grade_class.new server_class.new hostname, port
 			end
 		rescue ::Exception => e
-			@@log.error { "Error during #{hostname}:#{port} analysis : #{e}" }
+			@Logger.error { "Error during #{hostname}:#{port} analysis : #{e}" }
 			TlsNotSupportedGrade.new TlsNotSupportedServer.new hostname, port
 		end
 
 		def self.analyze(hosts, template, output, groups = nil, port:, server_class:, grade_class:)
-			results = {}
+			results   = {}
 			semaphore = ::Mutex.new
 			::Parallel.each hosts, progress: 'Analysing', in_threads: PARALLEL_ANALYSIS, finish: lambda { |item, _, _| puts item[1] } do |description, host|
 									 result = grade host.strip, port, server_class: server_class, grade_class: grade_class
@@ -51,7 +77,7 @@ module CryptCheck
 
 		def self.analyze_from_file(file, template, output, port:, server_class:, grade_class:)
 			config = ::YAML.load_file file
-			hosts = []
+			hosts  = []
 			groups = []
 			config.each do |c|
 				d, hs = c['description'], c['hostnames']
@@ -61,6 +87,26 @@ module CryptCheck
 			self.analyze hosts, template, output, groups, port: port, server_class: server_class, grade_class: grade_class
 		end
 
+		def self.colorize(cipher)
+			colors = case
+						 when /^SSL/ =~ cipher,
+								 dss?(cipher),
+								 anonymous?(cipher),
+								 null?(cipher),
+								 export?(cipher),
+								 md5?(cipher),
+								 des?(cipher),
+								 rc4?(cipher)
+							 { color: :white, background: :red }
+						 when des3?(cipher)
+							 { color: :yellow }
+						 when :TLSv1_2 == cipher,
+								 pfs?(cipher)
+							 { color: :green }
+					 end
+			cipher.to_s.colorize colors
+		end
+
 		private
 		SCORES = %w(A+ A A- B C D E F T M X)
 
diff --git a/lib/cryptcheck/tls/grade.rb b/lib/cryptcheck/tls/grade.rb
index 484f924..0d83ad3 100644
--- a/lib/cryptcheck/tls/grade.rb
+++ b/lib/cryptcheck/tls/grade.rb
@@ -2,109 +2,173 @@ module CryptCheck
 	module Tls
 		class TlsNotSupportedGrade
 			attr_reader :server, :score, :grade
+
 			def initialize(server)
 				@server, @score, @grade = server, -1, 'X'
 			end
 		end
 
 		class Grade
-			attr_reader :server, :score, :grade, :warning, :success
+			attr_reader :server, :protocol_score, :key_exchange_score, :cipher_strengths_score, :score, :grade, :error, :warning, :success
 
 			def initialize(server)
 				@server = server
-				protocol_score
-				key_exchange_score
-				cipher_strengths_score
-				@score = @protocol_score*0.3 +  @key_exchange_score*0.3 + @cipher_strengths_score*0.4
+				calculate_protocol_score
+				calculate_key_exchange_score
+				calculate_cipher_strengths_score
+				@score = @protocol_score*0.3 + @key_exchange_score*0.3 + @cipher_strengths_score*0.4
+				calculate_error
+				calculate_warning
+				calculate_success
 				calculate_grade
-				warning
-				success
-				perfect
+				calculate_perfect
+			end
+
+			def display
+				color = case self.grade
+							when 'A+'
+								:blue
+							when 'A'
+								:green
+							when 'B', 'C'
+								:yellow
+							when 'E', 'F'
+								:red
+							when 'M', 'T'
+								{ color: :white, background: :red }
+						end
+
+				Logger.info { "Grade : #{self.grade.colorize color }" }
+				Logger.info { '' }
+				Logger.info { "Protocole : #{self.protocol_score} / 100" }
+				Logger.info { "Key exchange : #{self.key_exchange_score} / 100" }
+				Logger.info { "Ciphers strength : #{self.cipher_strengths_score} / 100" }
+				Logger.info { "Overall score : #{self.score} / 100" }
+				Logger.info { '' }
+				Logger.info { "Errors : #{self.error.join(' ').colorize :red }" } unless self.error.empty?
+				Logger.info { "Warnings : #{self.warning.join(' ').colorize :yellow }" } unless self.warning.empty?
+				Logger.info { "Best practices : #{self.success.join(' ').colorize :green }" } unless self.success.empty?
 			end
 
 			private
 			def calculate_grade
 				@grade = case @score
-					         when 0...20 then 'F'
-					         when 20...35 then 'E'
-					         when 35...50 then 'D'
-					         when 50...65 then 'C'
-					         when 65...80 then 'B'
-					         else 'A'
-				         end
+							 when 0...20 then
+								 'F'
+							 when 20...35 then
+								 'E'
+							 when 35...50 then
+								 'D'
+							 when 50...65 then
+								 'C'
+							 when 65...80 then
+								 'B'
+							 else
+								 'A'
+						 end
 
 				@grade = [@grade, 'B'].max if !@server.tlsv1_2? or @server.key_size < 2048
 				@grade = [@grade, 'C'].max if @server.des3?
-				@grade = [@grade, 'E'].max if @server.rc4? or @server.des?
-				@grade = [@grade, 'F'].max if @server.ssl? or @server.key_size < 1024
+				@grade = [@grade, 'F'].max unless @error.empty?
 
 				@grade = 'M' unless @server.cert_valid
 				@grade = 'T' unless @server.cert_trusted
 			end
 
-			def warning
+			def calculate_error
+				@error = []
+
+				@error << :md5_sig if @server.md5_sig?
+
+				@error << :md5 if @server.md5?
+
+				@error << :anonymous if @server.anonymous?
+
+				@error << :dss if @server.dss?
+
+				@error << :null if @server.null?
+				@error << :export if @server.export?
+				@error << :des if @server.des?
+				@error << :rc4 if @server.rc4?
+			end
+
+			def calculate_warning
 				@warning = []
 
-				@warning << :md5_sig if @server.md5_sig?
 				@warning << :sha1_sig if @server.sha1_sig?
 
-				@warning << :md5 if @server.md5?
 				#@warning << :sha1 if @server.sha1?
 
-				@warning << :rc4 if @server.rc4?
-				@warning << :des if @server.des?
 				@warning << :des3 if @server.des3?
 			end
 
-			def success
+			def calculate_success
 				@success = []
 				@success << :pfs if @server.pfs_only?
 			end
 
-			ALL_WARNING = %i(md5_sig md5 rc4 des)
+			ALL_ERROR   = %i(md5_sig md5 anonymous dss null export des rc4)
+			ALL_WARNING = %i(sha1_sig des3)
+			ALL_SUCCESS = %i(pfs)
+
+			def all_error
+				ALL_ERROR
+			end
+
 			def all_warning
 				ALL_WARNING
 			end
-			ALL_SUCCESS = %i(pfs)
+
 			def all_success
 				ALL_SUCCESS
 			end
 
-			def perfect
-				@grade = 'A+' if @grade == 'A' and (all_warning & @warning).empty? and (all_success & @success) == all_success
+			def calculate_perfect
+				@grade = 'A+' if @grade == 'A' and @error.empty? and @warning.empty? and (ALL_SUCCESS & @success) == ALL_SUCCESS
 			end
 
 			METHODS_SCORES = { SSLv2: 0, SSLv3: 80, TLSv1: 90, TLSv1_1: 95, TLSv1_2: 100 }
-			def protocol_score
-				methods = @server.supported_methods
-				worst, best = methods[:worst], methods[:best]
+
+			def calculate_protocol_score
+				methods         = @server.supported_methods
+				worst, best     = methods[:worst], methods[:best]
 				@protocol_score = (METHODS_SCORES[worst] + METHODS_SCORES[best]) / 2
 			end
 
-			def key_exchange_score
+			def calculate_key_exchange_score
 				@key_exchange_score = case @server.key_size
-					                      when 0 then 0
-					                      when 0...512 then 20
-					                      when 512...1024 then 40
-					                      when 1024...2048 then 80
-					                      when 2048...4096 then 90
-					                      else 100
-				                      end
+										  when 0 then
+											  0
+										  when 0...512 then
+											  20
+										  when 512...1024 then
+											  40
+										  when 1024...2048 then
+											  80
+										  when 2048...4096 then
+											  90
+										  else
+											  100
+									  end
 			end
 
-			def cipher_strength_score(cipher_strength)
+			def calculate_cipher_strength_score(cipher_strength)
 				case cipher_strength
-					when 0 then 0
-					when 0...128 then 20
-					when 128...256 then 80
-					else 100
+					when 0 then
+						0
+					when 0...128 then
+						20
+					when 128...256 then
+						80
+					else
+						100
 				end
 			end
 
-			def cipher_strengths_score
-				strength = @server.cipher_size
-				worst, best = strength[:min], strength[:max]
-				@cipher_strengths_score = (cipher_strength_score(worst) + cipher_strength_score(best)) / 2
+			def calculate_cipher_strengths_score
+				strength                = @server.cipher_size
+				worst, best             = strength[:min], strength[:max]
+				@cipher_strengths_score = (calculate_cipher_strength_score(worst) + calculate_cipher_strength_score(best)) / 2
 			end
 		end
 	end
diff --git a/lib/cryptcheck/tls/https/grade.rb b/lib/cryptcheck/tls/https/grade.rb
index 465db1a..82452c1 100644
--- a/lib/cryptcheck/tls/https/grade.rb
+++ b/lib/cryptcheck/tls/https/grade.rb
@@ -3,7 +3,7 @@ module CryptCheck
 		module Https
 			class Grade < Tls::Grade
 				private
-				def success
+				def calculate_success
 					super
 					@success << :hsts if @server.hsts?
 					@success << :hsts_long if @server.hsts_long?
diff --git a/lib/cryptcheck/tls/https/server.rb b/lib/cryptcheck/tls/https/server.rb
index 7b36147..68f5ce4 100644
--- a/lib/cryptcheck/tls/https/server.rb
+++ b/lib/cryptcheck/tls/https/server.rb
@@ -14,28 +14,17 @@ module CryptCheck
 				def fetch_hsts
 					port = @port == 443 ? '' : ":#{@port}"
 
-					response = nil
-					EXISTING_METHODS.each do |method|
-						begin
-							next unless SUPPORTED_METHODS.include? method
-							@log.debug { "Check HSTS with #{method}" }
-							response = ::HTTParty.head "https://#{@hostname}#{port}/", { follow_redirects: false, verify: false, ssl_version: method, timeout: SSL_TIMEOUT }
-							break
-						rescue Exception => e
-							@log.debug { "#{method} not supported : #{e}" }
-						end
-					end
-
-					if response and header = response.headers['strict-transport-security']
+					response = ::HTTParty.head "https://#{@hostname}#{port}/", { follow_redirects: false, verify: false, timeout: SSL_TIMEOUT }
+					if header = response.headers['strict-transport-security']
 						name, value = header.split '='
 						if name == 'max-age'
 							@hsts = value.to_i
-							@log.info { "HSTS : #{@hsts}" }
+							Logger.info { "HSTS : #{@hsts.to_s.colorize hsts_long? ? :green : nil}" }
 							return
 						end
 					end
 
-					@log.info { 'No HSTS' }
+					Logger.info { 'No HSTS'.colorize :yellow }
 					@hsts = nil
 				end
 
diff --git a/lib/cryptcheck/tls/server.rb b/lib/cryptcheck/tls/server.rb
index 504d220..982680c 100644
--- a/lib/cryptcheck/tls/server.rb
+++ b/lib/cryptcheck/tls/server.rb
@@ -13,9 +13,9 @@ module CryptCheck
 		end
 
 		class Server
-			TCP_TIMEOUT = 10
-			SSL_TIMEOUT = 2*TCP_TIMEOUT
-			EXISTING_METHODS = %i(TLSv1_2 TLSv1_1 TLSv1 SSLv3 SSLv2)
+			TCP_TIMEOUT       = 10
+			SSL_TIMEOUT       = 2*TCP_TIMEOUT
+			EXISTING_METHODS  = %i(TLSv1_2 TLSv1_1 TLSv1 SSLv3 SSLv2)
 			SUPPORTED_METHODS = ::OpenSSL::SSL::SSLContext::METHODS
 			class TLSException < ::Exception
 			end
@@ -33,20 +33,18 @@ module CryptCheck
 			attr_reader :hostname, :port, :prefered_ciphers, :cert, :cert_valid, :cert_trusted
 
 			def initialize(hostname, port)
-				@log = Logging.logger[hostname]
 				@hostname = hostname
-				@port = port
-				@log.error { "Begin analysis" }
+				@port     = port
+				Logger.info { "#{hostname}:#{port}".colorize :blue }
 				extract_cert
 				#@prefered_ciphers = @supported_ciphers = Hash[SUPPORTED_METHODS.collect { |m| [m, []]}]
 				fetch_prefered_ciphers
 				check_supported_cipher
-				@log.error { "End analysis" }
 			end
 
 			def supported_methods
 				worst = EXISTING_METHODS.find { |method| !@prefered_ciphers[method].nil? }
-				best = EXISTING_METHODS.reverse.find { |method| !@prefered_ciphers[method].nil? }
+				best  = EXISTING_METHODS.reverse.find { |method| !@prefered_ciphers[method].nil? }
 				{ worst: worst, best: best }
 			end
 
@@ -66,24 +64,24 @@ module CryptCheck
 				type, size = self.key
 				if type == :ecc
 					size = case size
-						       when 160 then
-							       1024
-						       when 224 then
-							       2048
-						       when 256 then
-							       3072
-						       when 384 then
-							       7680
-						       when 521 then
-							       15360
-					       end
+							   when 160 then
+								   1024
+							   when 224 then
+								   2048
+							   when 256 then
+								   3072
+							   when 384 then
+								   7680
+							   when 521 then
+								   15360
+						   end
 				end
 				size
 			end
 
 			def cipher_size
 				cipher_strengths = supported_ciphers.collect { |c| c[2] }.uniq.sort
-				worst, best = cipher_strengths.first, cipher_strengths.last
+				worst, best      = cipher_strengths.first, cipher_strengths.last
 				{ worst: worst, best: best }
 			end
 
@@ -96,29 +94,22 @@ module CryptCheck
 			end
 
 			{
-					md2: %w(md2WithRSAEncryption),
-					md5: %w(md5WithRSAEncryption md5WithRSA),
+					md2:  %w(md2WithRSAEncryption),
+					md5:  %w(md5WithRSAEncryption md5WithRSA),
 					sha1: %w(sha1WithRSAEncryption sha1WithRSA dsaWithSHA1 dsaWithSHA1_2 ecdsa_with_SHA1)
 			}.each do |name, signature|
 				class_eval <<-RUBY_EVAL, __FILE__, __LINE__ + 1
-				def #{name}_sig?
-					#{signature}.include? @cert.signature_algorithm
-				end
+					def #{name}_sig?
+						#{signature}.include? @cert.signature_algorithm
+					end
 				RUBY_EVAL
 			end
 
-			{
-					md5: %w(MD5),
-					sha1: %w(SHA),
-
-					rc4: %w(RC4),
-					des3: %w(3DES DES-CBC3),
-					des: %w(DES-CBC)
-			}.each do |name, ciphers|
+			Tls::TYPES.each do |type, _|
 				class_eval <<-RUBY_EVAL, __FILE__, __LINE__ + 1
-				def #{name}?
-					supported_ciphers.any? { |supported| #{ciphers}.any? { |available| /(^|-)#\{available\}(-|$)/ =~ supported[0] } }
-				end
+					def #{type}?
+						supported_ciphers.any? { |s| Tls.#{type}? s.first  }
+					end
 				RUBY_EVAL
 			end
 
@@ -134,14 +125,12 @@ module CryptCheck
 				tls? and !ssl?
 			end
 
-			PFS_CIPHERS = [/^DHE-RSA-/, /^DHE-DSS-/, /^ECDHE-RSA-/, /^ECDHE-ECDSA-/]
-
 			def pfs?
-				supported_ciphers.any? { |cipher| PFS_CIPHERS.any? { |pc| pc =~ cipher[0] } }
+				supported_ciphers.any? { |c| Tls.pfs? c.first }
 			end
 
 			def pfs_only?
-				supported_ciphers.all? { |cipher| PFS_CIPHERS.any? { |pc| pc =~ cipher[0] } }
+				supported_ciphers.all? { |c| Tls.pfs? c.first }
 			end
 
 			def supported_ciphers
@@ -154,21 +143,21 @@ module CryptCheck
 
 			private
 			def connect(family, host, port, &block)
-				socket = ::Socket.new family, sock_type
+				socket   = ::Socket.new family, sock_type
 				sockaddr = ::Socket.sockaddr_in port, host
-				@log.debug { "Connecting to #{host}:#{port}" }
+				Logger.trace { "Connecting to #{host}:#{port}" }
 				begin
 					status = socket.connect_nonblock sockaddr
-					@log.debug { "Connecting to #{host}:#{port} status : #{status}" }
+					Logger.trace { "Connecting to #{host}:#{port} status : #{status}" }
 					raise ConnectionError, status unless status == 0
-					@log.debug { "Connected to #{host}:#{port}" }
+					Logger.trace { "Connected to #{host}:#{port}" }
 					block_given? ? block.call(socket) : nil
 				rescue ::IO::WaitReadable
-					@log.debug { "Waiting for read to #{host}:#{port}" }
+					Logger.trace { "Waiting for read to #{host}:#{port}" }
 					raise Timeout unless IO.select [socket], nil, nil, TCP_TIMEOUT
 					retry
 				rescue ::IO::WaitWritable
-					@log.debug { "Waiting for write to #{host}:#{port}" }
+					Logger.trace { "Waiting for write to #{host}:#{port}" }
 					raise Timeout unless IO.select nil, [socket], nil, TCP_TIMEOUT
 					retry
 				ensure
@@ -177,39 +166,39 @@ module CryptCheck
 			end
 
 			def ssl_connect(socket, context, method, &block)
-				ssl_socket = ::OpenSSL::SSL::SSLSocket.new socket, context
+				ssl_socket          = ::OpenSSL::SSL::SSLSocket.new socket, context
 				ssl_socket.hostname = @hostname unless method == :SSLv2
-				@log.debug { "SSL connecting to #{@hostname}:#{@port}" }
+				Logger.trace { "SSL connecting to #{@hostname}:#{@port}" }
 				begin
 					ssl_socket.connect_nonblock
-					@log.debug { "SSL connected to #{@hostname}:#{@port}" }
+					Logger.trace { "SSL connected to #{@hostname}:#{@port}" }
 					return block_given? ? block.call(ssl_socket) : nil
 				rescue ::IO::WaitReadable
-					@log.debug { "Waiting for SSL read to #{@hostname}:#{@port}" }
+					Logger.trace { "Waiting for SSL read to #{@hostname}:#{@port}" }
 					raise TLSTimeout unless IO.select [socket], nil, nil, SSL_TIMEOUT
 					retry
 				rescue ::IO::WaitWritable
-					@log.debug { "Waiting for SSL write to #{@hostname}:#{@port}" }
+					Logger.trace { "Waiting for SSL write to #{@hostname}:#{@port}" }
 					raise TLSTimeout unless IO.select nil, [socket], nil, SSL_TIMEOUT
 					retry
-                rescue => e
-                    raise TLSException, e
+				rescue => e
+					raise TLSNotAvailableException, e
 				ensure
 					ssl_socket.close
 				end
 			end
 
 			def ssl_client(method, ciphers = nil, &block)
-				ssl_context = ::OpenSSL::SSL::SSLContext.new method
+				ssl_context         = ::OpenSSL::SSL::SSLContext.new method
 				ssl_context.ciphers = ciphers if ciphers
-				@log.debug { "Try #{method} connection with #{ciphers}" }
+				Logger.trace { "Try #{method} connection with #{ciphers}" }
 
 				[::Socket::AF_INET, ::Socket::AF_INET6].each do |family|
-					@log.debug { "Try connection for family #{family}" }
+					Logger.trace { "Try connection for family #{family}" }
 					addrs = begin
 						::Socket.getaddrinfo @hostname, nil, family, :STREAM
 					rescue ::SocketError => e
-						@log.debug { "Unable to resolv #{@hostname} : #{e}" }
+						Logger.error { "Unable to resolv #{@hostname} : #{e}" }
 						next
 					end
 
@@ -222,7 +211,7 @@ module CryptCheck
 					end
 				end
 
-				@log.debug { "No SSL available on #{@hostname}" }
+				Logger.debug { "No SSL available on #{@hostname}" }
 				raise CipherNotAvailable
 			end
 
@@ -231,27 +220,28 @@ module CryptCheck
 					next unless SUPPORTED_METHODS.include? method
 					begin
 						@cert, @chain = ssl_client(method) { |s| [s.peer_cert, s.peer_cert_chain] }
-						@log.warn { "Certificate #{@cert.subject}" }
+						Logger.debug { "Certificate #{@cert.subject}" }
 						break
 					rescue TLSException => e
-						@log.info { "Method #{method} not supported : #{e}" }
+						Logger.trace { "Method #{Tls.colorize method} not supported : #{e}" }
 					end
 				end
 				raise TLSNotAvailableException unless @cert
-				@cert_valid = ::OpenSSL::SSL.verify_certificate_identity @cert, @hostname
+				@cert_valid   = ::OpenSSL::SSL.verify_certificate_identity @cert, @hostname
 				@cert_trusted = verify_trust @chain, @cert
 			end
 
 			def prefered_cipher(method)
-				cipher = ssl_client(method, %w(ALL:COMPLEMENTOFALL)) { |s| s.cipher }
-				@log.warn { "Prefered cipher for #{method} : #{cipher[0]}" }
+				cipher = ssl_client(method, 'ALL:COMPLEMENTOFALL') { |s| s.cipher }
+				Logger.info { "Prefered cipher for #{Tls.colorize method} : #{Tls.colorize cipher.first}" }
 				cipher
-			rescue Exception => e
-				@log.info { "Method #{method} not supported : #{e}" }
+			rescue Exception
+				Logger.debug { "Method #{Tls.colorize method} not supported" }
 				nil
 			end
 
 			def fetch_prefered_ciphers
+				Logger.info { '' }
 				@prefered_ciphers = {}
 				EXISTING_METHODS.each do |method|
 					next unless SUPPORTED_METHODS.include? method
@@ -261,28 +251,33 @@ module CryptCheck
 			end
 
 			def available_ciphers(method)
-				::OpenSSL::SSL::SSLContext.new(method).ciphers
+				context         = ::OpenSSL::SSL::SSLContext.new method
+				context.ciphers = 'ALL:COMPLEMENTOFALL'
+				context.ciphers
 			end
 
 			def supported_cipher?(method, cipher)
 				ssl_client method, [cipher]
-				@log.warn { "Verify #{method} / #{cipher[0]} : OK" }
+				Logger.info { "#{Tls.colorize method} / #{Tls.colorize cipher[0]} : Supported" }
 				true
 			rescue TLSException => e
-				@log.info { "Verify #{method} / #{cipher[0]} : NOK (#{e})" }
+				Logger.debug { "#{Tls.colorize method} / #{Tls.colorize cipher[0]} : Not supported" }
 				false
 			end
 
 			def check_supported_cipher
+				Logger.info { '' }
 				@supported_ciphers = {}
 				EXISTING_METHODS.each do |method|
 					next unless SUPPORTED_METHODS.include? method and @prefered_ciphers[method]
-					@supported_ciphers[method] = available_ciphers(method).select { |cipher| supported_cipher? method, cipher }
+					ciphers = available_ciphers(method).select { |cipher| supported_cipher? method, cipher }
+					@supported_ciphers[method] = ciphers
+					Logger.info { '' } unless ciphers.empty?
 				end
 			end
 
 			def verify_trust(chain, cert)
-				store = ::OpenSSL::X509::Store.new
+				store         = ::OpenSSL::X509::Store.new
 				store.purpose = OpenSSL::X509::PURPOSE_SSL_CLIENT
 				store.set_default_paths
 
diff --git a/lib/cryptcheck/tls/xmpp.rb b/lib/cryptcheck/tls/xmpp.rb
index b1361d9..832a455 100644
--- a/lib/cryptcheck/tls/xmpp.rb
+++ b/lib/cryptcheck/tls/xmpp.rb
@@ -7,14 +7,14 @@ module CryptCheck
 		module Xmpp
 			MAX_ANALYSIS_DURATION = 600
 			PARALLEL_ANALYSIS = 10
-			@@log = ::Logging.logger[Xmpp]
+			@Logger = ::Logging.logger[Xmpp]
 
 			def self.grade(hostname, type=:s2s)
 				timeout MAX_ANALYSIS_DURATION do
 					Grade.new Server.new hostname, type
 				end
 			rescue ::Exception => e
-				@@log.error { "Error during #{hostname}:#{type} analysis : #{e}" }
+				@Logger.error { "Error during #{hostname}:#{type} analysis : #{e}" }
 				TlsNotSupportedGrade.new TlsNotSupportedServer.new hostname, type
 			end
 
diff --git a/lib/cryptcheck/tls/xmpp/grade.rb b/lib/cryptcheck/tls/xmpp/grade.rb
index 391390c..7c03906 100644
--- a/lib/cryptcheck/tls/xmpp/grade.rb
+++ b/lib/cryptcheck/tls/xmpp/grade.rb
@@ -2,7 +2,7 @@ module CryptCheck
 	module Tls
 		module Xmpp
 			class Grade < Tls::Grade
-				def success
+				def calculate_success
 					super
 					@success << :required if @server.required?
 				end
diff --git a/lib/cryptcheck/tls/xmpp/server.rb b/lib/cryptcheck/tls/xmpp/server.rb
index a549900..603c1f1 100644
--- a/lib/cryptcheck/tls/xmpp/server.rb
+++ b/lib/cryptcheck/tls/xmpp/server.rb
@@ -25,6 +25,8 @@ module CryptCheck
 						end
 					end
 					super hostname, port
+					Logger.info { '' }
+					Logger.info { self.required? ? 'Required'.colorize(:green) : 'Not required'.colorize(:yellow) }
 				end
 
 				def ssl_connect(socket, context, method, &block)