diff --git a/srcs/load/Env.cpp b/srcs/load/Env.cpp
index 04d5712..e70023c 100644
--- a/srcs/load/Env.cpp
+++ b/srcs/load/Env.cpp
@@ -1,6 +1,6 @@
 #include "webserv.hpp"
 
-/*|=======================|
+/*|==========|
  * Environment destructor:
  *
  * The destructor call all servers and sockets destructors.
@@ -16,7 +16,7 @@ Env::~Env() {
 	}
 }
 
-/*|=======================|
+/*|==========|
  * Environment constructor:
  *
  * Input: The JSONParser output
@@ -38,6 +38,12 @@ Env::Env(JSONNode *conf) {
 	}
 	delete conf;
 }
+/*|==========|
+ * One server cycle
+ * - append sockets to listen to select list
+ * - select them
+ * - refresh and handle requests
+ */
 
 void Env::cycle(void) {
 	FD_ZERO(&Master::_readfds);
@@ -52,19 +58,19 @@ void Env::cycle(void) {
 	cout << "==> Handle requests and answers:\n";
 	refresh();
 }
-
-/*|=======================|
+/*|==========|
  * Append each master_sockets and their clients to list of fds SELECT must look
  * at.
  */
 
 void Env::set_fds(void) {
 	for (std::vector< Master * >::iterator it = _masters.begin();
-		 it < _masters.end(); it++)
-		(*it)->set_fds();
+		 it < _masters.end(); it++) {
+		if (*it)
+			(*it)->set_fds();
+	}
 }
-
-/*|=======================|
+/*|==========|
  * Refresh all master_sockets and their clients datas (disconnect, new
  * connection, etc..) and parse requests recieved.
  */
diff --git a/srcs/load/Route.cpp b/srcs/load/Route.cpp
index 82451cd..c07f005 100644
--- a/srcs/load/Route.cpp
+++ b/srcs/load/Route.cpp
@@ -1,4 +1,14 @@
 #include "webserv.hpp"
+/* |==========|
+ * Route constructor:
+ * A route is a class which is used with each request to know how to handle uri
+ * requested They are defined with conf file from locations block for raw routes
+ * and from servers blocks for Server class which herite from Route
+ *
+ * Input: The Server parent for locations blocks, the uri which lead to the
+ * route and the JSON node giving conf datas
+ * Output: A Route object
+ */
 
 Route::Route(Server *server, string location, JSONNode *datas)
 	: _server(server), _location(location) {
@@ -30,12 +40,20 @@ Route::Route(Server *server, string location, JSONNode *datas)
 		}
 	}
 }
+/* Route destructor */
 
 Route::~Route(void) {}
+/* Getters ... */
 
 string Route::getLocation(void) { return _location; }
 string Route::getRoot(void) { return _root; }
 string Route::getReturn(void) { return _ret; }
+/* |==========|
+ * Find either an autoindex or an index into the directory required by request
+ *
+ * Input: The uri client asked, the real local path to the directory
+ * Output: The file or the autoindex page to display
+ */
 
 string Route::getIndex(string uri, string path) {
 	std::stringstream				content;
@@ -73,6 +91,12 @@ string Route::getIndex(string uri, string path) {
 	ret << "\r\n" << content.str();
 	return ret.str();
 }
+/* |==========|
+ * Correct the uri the client asked
+ *
+ * Input: The uri
+ * Output: The local path corresponding to that uri in the route
+ */
 
 string Route::correctUri(string uri) {
 	std::stringstream				ret;
diff --git a/srcs/load/Server.cpp b/srcs/load/Server.cpp
index 0cfaf2e..22a76b2 100644
--- a/srcs/load/Server.cpp
+++ b/srcs/load/Server.cpp
@@ -1,6 +1,5 @@
 #include "webserv.hpp"
-
-/*|=======================|
+/*|===========|
  * Server destructor:
  *
  * delete all routes owned by the server;
@@ -12,8 +11,7 @@ Server::~Server(void) {
 		delete (*it).second;
 	cout << "Server destroyed!\n";
 }
-
-/*|=======================|
+/*|===========|
  * Server constructor:
  *
  * Input: A server block node given by JSONParser.
@@ -21,6 +19,7 @@ Server::~Server(void) {
  * Route. The Route constructor scrap the routing informations (index, root,
  * autoindex ...) and the Server one the others ones (server_name, sub-routes)
  */
+
 Server::Server(JSONNode *server) : Route(NULL, "/", server) {
 	JSONObject datas = server->obj();
 	if (datas["server_name"])
@@ -36,7 +35,14 @@ Server::Server(JSONNode *server) : Route(NULL, "/", server) {
 }
 
 /* Get the server name (_server_name)*/
+
 string Server::getName(void) { return _name; }
+/* |==========|
+ * Safely create a master socket:
+ *
+ * Input: a "ip:port" string
+ * Output: a Master socket or NULL if creation failed
+ */
 
 Master *Server::create_master(string str) {
 	listen_t listen = get_listen_t(str);
@@ -44,16 +50,15 @@ Master *Server::create_master(string str) {
 		cout << "Listen: IPv6 isn't supported\n";
 	}
 	try {
-		Master *sock = new Master(listen);
 		_listens.push_back(listen);
+		Master *sock = new Master(listen);
 		return (sock);
 	} catch (std::exception &e) {
 		std::cerr << e.what() << '\n';
 		return NULL;
 	}
 }
-
-/*|=======================|
+/*|===========|
  * Create server's defined sockets:
  *
  * Input: A server block node from JSONParser.
@@ -65,24 +70,26 @@ std::vector< Master * > Server::get_sockets(JSONNode *server) {
 	JSONObject				datas = server->obj();
 	std::vector< Master * > ret;
 	listen_t				listen;
+	Master				   *tmp;
 	if (datas["listens"]) {
 		JSONList listens = datas["listens"]->lst();
 		for (JSONList::iterator it = listens.begin(); it != listens.end();
 			 it++) {
-			ret.push_back(create_master((*it)->str()));
+			if ((tmp = create_master((*it)->str())))
+				ret.push_back(tmp);
 		}
-	} else
-		ret.push_back(create_master("localhost:8080"));
+	} else if ((tmp = create_master("0.0.0.0")))
+		ret.push_back(tmp);
 	return ret;
 }
-
-/*|=======================|
+/*|===========|
  * Choose the route an uri asked to the server must lead to.
  *
  * Intput: The uri asked by the client to the server.
  * Output: The route object choosen or the server itself if no location block is
  * adapted.
  */
+
 Route *Server::choose_route(string uri) {
 	std::vector< string > req = split(uri, '/');
 	std::vector< string > root;
@@ -90,7 +97,6 @@ Route *Server::choose_route(string uri) {
 		 rit != _routes.end(); rit++) {
 		root = split((*rit).first, '/');
 		std::vector< string >::iterator root_it = root.begin();
-
 		for (std::vector< string >::iterator it = req.begin(); it < req.end();
 			 it++) {
 			if (*it == "")
diff --git a/srcs/sock/Client.cpp b/srcs/sock/Client.cpp
index 3f45b4e..bf3ced6 100644
--- a/srcs/sock/Client.cpp
+++ b/srcs/sock/Client.cpp
@@ -54,7 +54,6 @@ bool Client::parseHeader() {
 		for (std::vector< string >::iterator it = lines.begin() + 1;
 			 it < lines.end(); it++) {
 			line = split(*it, ' ');
-			cout << line.at(0) << "scraped from header\n";
 			_request[line.at(0)] =
 				std::vector< string >(line.begin() + 1, line.end());
 		}
diff --git a/srcs/sock/Master.cpp b/srcs/sock/Master.cpp
index fc55765..72b6684 100644
--- a/srcs/sock/Master.cpp
+++ b/srcs/sock/Master.cpp
@@ -1,9 +1,19 @@
 #include "webserv.hpp"
+/* Master destructor */
 
 Master::~Master(void) {
 	close(_fd);
 	cout << "Destroyed master socket\n";
 }
+/* |==========|
+ * Master constructor
+ * Try to create a socket listening to ip and port defined by input.
+ * If the creation success, the socket is then ready to select for new clients.
+ *
+ * Input: A listen_t structure which contain the ip and the port the master care
+ * about.
+ * Output: A Master object.
+ */
 
 Master::Master(listen_t list) : _listen(list) {
 	int	   opt = 1;
@@ -34,6 +44,7 @@ Master::Master(listen_t list) : _listen(list) {
 		_min_fd = _fd;
 	_amount++;
 }
+/* Set into static Master::readfds the active fds which will be select.*/
 
 void Master::set_fds(void) {
 	FD_SET(_fd, &_readfds);
@@ -47,6 +58,12 @@ void Master::set_fds(void) {
 			_max_fd = child_fd;
 	}
 }
+/* |==========|
+ * Refresh master socket datas after select()
+ * - look first for new clients
+ * - look then if known clients sent requests or disconnected
+ * - if client sent request, handle it to generate answer adapted
+ */
 
 void Master::refresh(Env *env) {
 	int	 valread;
@@ -88,11 +105,8 @@ Server *Master::choose_server(Env *env, string host) {
 	std::vector< Server * > inrange;
 	std::vector< string >	ip_listen;
 	std::vector< string >	ip_required;
-	// string ip = inet_ntoa(sock->_address.sin_addr);
-	// int port = ntohs(sock->_address.sin_port);
 
-	// cout << "Which server for " << ip << ":" << port << "?\n";
-	cout << "Socket: " << _listen.ip << ":" << _listen.port << "\n";
+	cout << "Requested: " << _listen.ip << ":" << _listen.port << "\n";
 	ip_required = split(_listen.ip, '.');
 	for (std::vector< Server * >::iterator sit = env->_servers.begin();
 		 sit < env->_servers.end(); sit++) {
@@ -110,8 +124,8 @@ Server *Master::choose_server(Env *env, string host) {
 			bool is_inrange = true;
 			ip_listen = split((*it).ip, '.');
 			std::vector< string >::iterator r = ip_required.begin();
-			for (std::vector< string >::iterator l = ip_listen.begin();
-				 l < ip_listen.end(); l++) {
+			for (std::vector< string >::iterator l = ip_listen.end();
+				 l >= ip_listen.begin(); --l) {
 				if (*l != *r && *l != "0")
 					is_inrange = false;
 			}
@@ -120,12 +134,22 @@ Server *Master::choose_server(Env *env, string host) {
 		}
 	}
 	if (exact.size() == 0) {
+		cout << "Inrange: ";
 		for (std::vector< Server * >::iterator sit = inrange.begin();
 			 sit < inrange.end(); sit++) {
-			if (host == (*sit)->getName())
+			cout << "- " << (*sit)->getName() << "\n";
+			if (host == ((*sit)->getName() + "\r"))
 				return *sit;
 		}
 		return inrange.front();
-	} else
+	} else {
+		cout << "Exact: \n";
+		for (std::vector< Server * >::iterator sit = exact.begin();
+			 sit < exact.end(); sit++) {
+			cout << "- " << (*sit)->getName() << "\n";
+			if (host == ((*sit)->getName() + "\r"))
+				return *sit;
+		}
 		return exact.front();
+	}
 }