diff --git a/src/network.cr b/src/network.cr
index d988e26..cc5f6a7 100644
--- a/src/network.cr
+++ b/src/network.cr
@@ -7,6 +7,10 @@ class IPC::JSON
 	def handle(service : AuthD::Service, fd : Int32)
 		raise "unimplemented"
 	end
+
+	def to_s(io : IO)
+		io << self.class.name.sub /[^:]+::[^:]+::/, ""
+	end
 end
 
 module AuthD
diff --git a/src/requests/admin.cr b/src/requests/admin.cr
index 75470b1..1e1e0d2 100644
--- a/src/requests/admin.cr
+++ b/src/requests/admin.cr
@@ -9,6 +9,11 @@ class AuthD::Request
 		def initialize(@login, @password, @admin, @email, @profile)
 		end
 
+		def to_s(io : IO)
+			super io
+			io << " (login: #{@login}, email: #{@email})"
+		end
+
 		def handle(authd : AuthD::Service, fd : Int32)
 			logged_user = authd.get_logged_user_full? fd
 			return Response::ErrorMustBeAuthenticated.new if logged_user.nil?
@@ -56,6 +61,11 @@ class AuthD::Request
 		def initialize(@login, @password, @email, @profile = nil)
 		end
 
+		def to_s(io : IO)
+			super io
+			io << " (login: #{@login}, email: #{email})"
+		end
+
 		def handle(authd : AuthD::Service, fd : Int32)
 			# Check if there already is a registered user.
 			if authd.users.to_a.size > 0
@@ -90,6 +100,11 @@ class AuthD::Request
 		def initialize(@token)
 		end
 
+		def to_s(io : IO)
+			super io
+			io << " (token size: #{@token.size})"
+		end
+
 		def handle(authd : AuthD::Service, fd : Int32)
 			logged_user = authd.get_logged_user_full? fd
 			return Response::ErrorMustBeAuthenticated.new if logged_user.nil?
diff --git a/src/requests/delete.cr b/src/requests/delete.cr
index dee6092..4405980 100644
--- a/src/requests/delete.cr
+++ b/src/requests/delete.cr
@@ -6,6 +6,11 @@ class AuthD::Request
 		def initialize(@user = nil)
 		end
 
+		def to_s(io : IO)
+			super io
+			io << " (user: #{@user})"
+		end
+
 		def handle(authd : AuthD::Service, fd : Int32)
 			logged_user = authd.get_logged_user_full? fd
 			return Response::ErrorMustBeAuthenticated.new if logged_user.nil?
diff --git a/src/requests/login.cr b/src/requests/login.cr
index 669ba3a..18c65a4 100644
--- a/src/requests/login.cr
+++ b/src/requests/login.cr
@@ -22,6 +22,11 @@ class AuthD::Request
 		def initialize(@login, @password)
 		end
 
+		def to_s(io : IO)
+			super io
+			io << " (login: #{@login})"
+		end
+
 		def handle(authd : AuthD::Service, fd : Int32)
 			begin
 				user = authd.users_per_login.get @login
diff --git a/src/requests/migration.cr b/src/requests/migration.cr
index 6722696..667949e 100644
--- a/src/requests/migration.cr
+++ b/src/requests/migration.cr
@@ -10,6 +10,11 @@ class AuthD::Request
 		def initialize(@login, @password_hash_brkn, @admin = false, @email = nil, @profile = nil)
 		end
 
+		def to_s(io : IO)
+			super io
+			io << " (login: #{@login}, admin: #{@admin})"
+		end
+
 		def handle(authd : AuthD::Service, fd : Int32)
 			logged_user = authd.get_logged_user_full? fd
 			return Response::ErrorMustBeAuthenticated.new if logged_user.nil?
diff --git a/src/requests/moduser.cr b/src/requests/moduser.cr
index 1827ceb..31109cf 100644
--- a/src/requests/moduser.cr
+++ b/src/requests/moduser.cr
@@ -8,6 +8,11 @@ class AuthD::Request
 		def initialize(@user, @admin, @password, @email)
 		end
 
+		def to_s(io : IO)
+			super io
+			io << " (user: #{@user}, admin: #{@admin})"
+		end
+
 		def handle(authd : AuthD::Service, fd : Int32)
 			logged_user = authd.get_logged_user_full? fd
 			return Response::ErrorMustBeAuthenticated.new if logged_user.nil?
diff --git a/src/requests/password.cr b/src/requests/password.cr
index cf5b7aa..b3abc99 100644
--- a/src/requests/password.cr
+++ b/src/requests/password.cr
@@ -6,6 +6,11 @@ class AuthD::Request
 		def initialize(@login = nil, @email = nil)
 		end
 
+		def to_s(io : IO)
+			super io
+			io << " (login: #{@login})"
+		end
+
 		def handle(authd : AuthD::Service, fd : Int32)
 			if @login.nil? && @email.nil?
 				return Response::ErrorUserNotFound.new
@@ -54,6 +59,11 @@ class AuthD::Request
 		def initialize(@user, @password_renew_key, @new_password)
 		end
 
+		def to_s(io : IO)
+			super io
+			io << " (user: #{@user}, password_renew_key: #{@password_renew_key})"
+		end
+
 		def handle(authd : AuthD::Service, fd : Int32)
 			user = authd.user? @user
 			# This is a way for an attacker to know what are the valid logins.
diff --git a/src/requests/permissions.cr b/src/requests/permissions.cr
index 13caaf6..b64c6d9 100644
--- a/src/requests/permissions.cr
+++ b/src/requests/permissions.cr
@@ -7,6 +7,11 @@ class AuthD::Request
 		def initialize(@user, @service, @resource)
 		end
 
+		def to_s(io : IO)
+			super io
+			io << " (user: #{@user}, service: #{@service}, resource: #{@resource})"
+		end
+
 		def handle(authd : AuthD::Service, fd : Int32)
 			logged_user = authd.get_logged_user_full? fd
 			return Response::ErrorMustBeAuthenticated.new if logged_user.nil?
@@ -42,6 +47,11 @@ class AuthD::Request
 		def initialize(@user, @service, @resource, @permission)
 		end
 
+		def to_s(io : IO)
+			super io
+			io << " (user: #{@user}, service: #{@service}, resource: #{@resource}, permission: #{@permission})"
+		end
+
 		def handle(authd : AuthD::Service, fd : Int32)
 			logged_user = authd.get_logged_user_full? fd
 			return Response::ErrorMustBeAuthenticated.new if logged_user.nil?
diff --git a/src/requests/profile.cr b/src/requests/profile.cr
index d8c5bcc..4c30ff3 100644
--- a/src/requests/profile.cr
+++ b/src/requests/profile.cr
@@ -8,6 +8,11 @@ class AuthD::Request
 		def initialize(@new_profile_entries, @user = nil)
 		end
 
+		def to_s(io : IO)
+			super io
+			io << " (user: #{@user})"
+		end
+
 		def handle(authd : AuthD::Service, fd : Int32)
 			logged_user = authd.get_logged_user_full? fd
 			return Response::ErrorMustBeAuthenticated.new if logged_user.nil?
diff --git a/src/requests/register.cr b/src/requests/register.cr
index ef6e8e2..a45a0e9 100644
--- a/src/requests/register.cr
+++ b/src/requests/register.cr
@@ -8,6 +8,11 @@ class AuthD::Request
 		def initialize(@login, @password, @email, @profile)
 		end
 
+		def to_s(io : IO)
+			super io
+			io << " (login: #{@login})"
+		end
+
 		def handle(authd : AuthD::Service, fd : Int32)
 			unless authd.configuration.registrations
 				return Response::ErrorRegistrationsClosed.new
diff --git a/src/requests/search.cr b/src/requests/search.cr
index 474ddf3..e9c63dd 100644
--- a/src/requests/search.cr
+++ b/src/requests/search.cr
@@ -9,6 +9,11 @@ class AuthD::Request
 		def initialize(@regex = nil, @offset = 0)
 		end
 
+		def to_s(io : IO)
+			super io
+			io << " (regex: #{@regex}, offset: #{@offset})"
+		end
+
 		def handle(authd : AuthD::Service, fd : Int32)
 			logged_user = authd.get_logged_user_full? fd
 			return Response::ErrorMustBeAuthenticated.new if logged_user.nil?
diff --git a/src/requests/users.cr b/src/requests/users.cr
index a5e5e29..937843d 100644
--- a/src/requests/users.cr
+++ b/src/requests/users.cr
@@ -6,6 +6,11 @@ class AuthD::Request
 		def initialize(@user, @activation_key)
 		end
 
+		def to_s(io : IO)
+			super io
+			io << " (user: #{@user}, activation_key: #{@activation_key})"
+		end
+
 		def handle(authd : AuthD::Service, fd : Int32)
 			user = authd.user? @user
 			# This is a way for an attacker to know what are the valid logins.
@@ -40,6 +45,11 @@ class AuthD::Request
 		def initialize(@user)
 		end
 
+		def to_s(io : IO)
+			super io
+			io << " (user: #{@user})"
+		end
+
 		def handle(authd : AuthD::Service, fd : Int32)
 			logged_user = authd.get_logged_user? fd
 			return Response::ErrorMustBeAuthenticated.new if logged_user.nil?
diff --git a/src/responses/contact.cr b/src/responses/contact.cr
index 5c35c8b..1be91ae 100644
--- a/src/responses/contact.cr
+++ b/src/responses/contact.cr
@@ -4,6 +4,12 @@ class AuthD::Response
 		property email : String? = nil
 		def initialize(@user, @email)
 		end
+
+		def to_s(io : IO)
+			super io
+			io << " (user: #{@user}, email: #{@email})"
+		end
 	end
+
 	AuthD.responses << Contacts
 end
diff --git a/src/responses/email.cr b/src/responses/email.cr
index d0a9527..6b55e64 100644
--- a/src/responses/email.cr
+++ b/src/responses/email.cr
@@ -9,6 +9,11 @@ class AuthD::Response
 		property email : String
 		def initialize(@email)
 		end
+
+		def to_s(io : IO)
+			super io
+			io << " (email: #{@email})"
+		end
 	end
 	AuthD.responses << NewEmailAddressValidated
 end
diff --git a/src/responses/errors.cr b/src/responses/errors.cr
index ecb5886..e5c0073 100644
--- a/src/responses/errors.cr
+++ b/src/responses/errors.cr
@@ -3,6 +3,11 @@ class AuthD::Response
 		property reason : String? = nil
 		def initialize(@reason)
 		end
+
+		def to_s(io : IO)
+			super io
+			io << " (reason: #{@reason})"
+		end
 	end
 	AuthD.responses << Error
 
@@ -70,6 +75,11 @@ class AuthD::Response
 		property read_only_keys : Array(String)
 		def initialize(@read_only_keys)
 		end
+
+		def to_s(io : IO)
+			super io
+			io << " (read_only_keys: #{@read_only_keys.join(",")})"
+		end
 	end
 	AuthD.responses << ErrorReadOnlyProfileKeys
 
diff --git a/src/responses/login.cr b/src/responses/login.cr
index 413da88..8bd6a74 100644
--- a/src/responses/login.cr
+++ b/src/responses/login.cr
@@ -6,6 +6,11 @@ class AuthD::Response
 		property pending_email  : String? = nil
 		def initialize(@token, @uid, @current_email, @pending_email)
 		end
+
+		def to_s(io : IO)
+			super io
+			io << " (uid: #{@uid})"
+		end
 	end
 	AuthD.responses << Login
 end
diff --git a/src/responses/permissions.cr b/src/responses/permissions.cr
index 720ef99..993783d 100644
--- a/src/responses/permissions.cr
+++ b/src/responses/permissions.cr
@@ -6,6 +6,11 @@ class AuthD::Response
 		property permission : ::AuthD::User::PermissionLevel
 		def initialize(@service, @resource, @user, @permission)
 		end
+
+		def to_s(io : IO)
+			super io
+			io << " (user: #{@user}, service: #{@service}, resource: #{@resource}, permission: #{@permission})"
+		end
 	end
 	AuthD.responses << PermissionCheck
 
@@ -16,6 +21,11 @@ class AuthD::Response
 		property permission : ::AuthD::User::PermissionLevel
 		def initialize(@user, @service, @resource, @permission)
 		end
+
+		def to_s(io : IO)
+			super io
+			io << " (user: #{@user}, service: #{@service}, resource: #{@resource}, permission: #{@permission})"
+		end
 	end
 	AuthD.responses << PermissionSet
 end
diff --git a/src/responses/users.cr b/src/responses/users.cr
index 0097cd0..5d0e512 100644
--- a/src/responses/users.cr
+++ b/src/responses/users.cr
@@ -3,6 +3,11 @@ class AuthD::Response
 		property user   : ::AuthD::User::Public
 		def initialize(@user)
 		end
+
+		def to_s(io : IO)
+			super io
+			io << " (user public data: #{@user})"
+		end
 	end
 	AuthD.responses << User
 
@@ -10,6 +15,11 @@ class AuthD::Response
 		property user   : ::AuthD::User::Public
 		def initialize(@user)
 		end
+
+		def to_s(io : IO)
+			super io
+			io << " (user public data: #{@user})"
+		end
 	end
 	AuthD.responses << UserAdded
 
@@ -17,6 +27,11 @@ class AuthD::Response
 		property uid    : UInt32
 		def initialize(@uid)
 		end
+
+		def to_s(io : IO)
+			super io
+			io << " (uid: #{@uid})"
+		end
 	end
 	AuthD.responses << UserEdited
 
@@ -24,6 +39,11 @@ class AuthD::Response
 		property user   : ::AuthD::User::Public
 		def initialize(@user)
 		end
+
+		def to_s(io : IO)
+			super io
+			io << " (user public data: #{@user})"
+		end
 	end
 	AuthD.responses << UserValidated
 
@@ -31,6 +51,11 @@ class AuthD::Response
 		property users  : Array(::AuthD::User::Public)
 		def initialize(@users)
 		end
+
+		def to_s(io : IO)
+			super io
+			io << " (users public data: #{(@users.map &.uid).join ","})"
+		end
 	end
 	AuthD.responses << UsersList
 
@@ -38,6 +63,11 @@ class AuthD::Response
 		property users  : Array(::AuthD::User::Public)
 		def initialize(@users)
 		end
+
+		def to_s(io : IO)
+			super io
+			io << " (users public data: #{(@users.map &.uid).join ","})"
+		end
 	end
 	AuthD.responses << MatchingUsers
 
@@ -45,6 +75,11 @@ class AuthD::Response
 		property uid    : UInt32
 		def initialize(@uid)
 		end
+
+		def to_s(io : IO)
+			super io
+			io << " (uid: #{@uid})"
+		end
 	end
 	AuthD.responses << UserDeleted
 end
diff --git a/src/service.cr b/src/service.cr
index 4f3bc70..c2e521a 100644
--- a/src/service.cr
+++ b/src/service.cr
@@ -148,16 +148,16 @@ class AuthD::Service < IPC
 		response = begin
 			request.handle self, event.fd
 		rescue e : UserNotFound
-			Baguette::Log.error "(fd #{ "%4d" % event.fd}) #{request_name} user not found"
+			Baguette::Log.error "(fd #{ "%4d" % event.fd}) #{request} user not found"
 			AuthD::Response::Error.new "authorization error"
 		rescue e : AuthenticationInfoLacking
-			Baguette::Log.error "(fd #{ "%4d" % event.fd}) #{request_name} lacking authentication info"
+			Baguette::Log.error "(fd #{ "%4d" % event.fd}) #{request} lacking authentication info"
 			AuthD::Response::Error.new "authorization error"
 		rescue e : AdminAuthorizationException
-			Baguette::Log.error "(fd #{ "%4d" % event.fd}) #{request_name} admin authentication failed"
+			Baguette::Log.error "(fd #{ "%4d" % event.fd}) #{request} admin authentication failed"
 			AuthD::Response::Error.new "authorization error"
 		rescue e
-			Baguette::Log.error "(fd #{ "%4d" % event.fd}) #{request_name} generic error #{e}"
+			Baguette::Log.error "(fd #{ "%4d" % event.fd}) #{request} generic error #{e}"
 			AuthD::Response::Error.new "unknown error"
 		end
 
@@ -169,13 +169,11 @@ class AuthD::Service < IPC
 
 		duration = Time.utc - request_start
 
-		response_name = response.class.name.sub /^AuthD::Response::/, ""
-
 		if response.is_a? AuthD::Response::Error
-			Baguette::Log.warning "fd #{ "%4d" % event.fd} (#{duration}) #{request_name} >> #{response_name} (#{response.reason})"
+			Baguette::Log.warning "fd #{ "%4d" % event.fd} (#{duration}) #{request} >> #{response}"
 		else
 			if request_name != "KeepAlive" || should_display? AUTHMESSAGE::KEEPALIVE
-				Baguette::Log.debug "fd #{ "%4d" % event.fd} (#{duration}) #{request_name} >> #{response_name}"
+				Baguette::Log.debug "fd #{ "%4d" % event.fd} (#{duration}) #{request} >> #{response}"
 			end
 		end
 	end