diff --git a/YACReaderLibrary/db_helper.cpp b/YACReaderLibrary/db_helper.cpp
index c442af91..44819fb2 100644
--- a/YACReaderLibrary/db_helper.cpp
+++ b/YACReaderLibrary/db_helper.cpp
@@ -348,7 +348,7 @@ void DBHelper::update(ComicInfo * comicInfo, QSqlDatabase & db)
 
     updateComicInfo.bindValue(":comicVineID", comicInfo->comicVineID);
 
-	updateComicInfo.exec();
+    updateComicInfo.exec();
 }
 
 void DBHelper::updateRead(ComicInfo * comicInfo, QSqlDatabase & db)
@@ -391,6 +391,44 @@ void DBHelper::updateProgress(qulonglong libraryId, const ComicInfo &comicInfo)
     QSqlDatabase::removeDatabase(libraryPath);
 }
 
+void DBHelper::updateReadingRemoteProgress(const ComicInfo &comicInfo, QSqlDatabase &db)
+{
+    QSqlQuery updateComicInfo(db);
+    updateComicInfo.prepare("UPDATE comic_info SET "
+        "read = :read, "
+        "currentPage = :currentPage, "
+        "hasBeenOpened = :hasBeenOpened"
+        " WHERE id = :id ");
+
+    updateComicInfo.bindValue(":read", comicInfo.read?1:0);
+    updateComicInfo.bindValue(":currentPage", comicInfo.currentPage);
+    updateComicInfo.bindValue(":hasBeenOpened", comicInfo.hasBeenOpened?1:0);
+    updateComicInfo.bindValue(":id", comicInfo.id);
+    updateComicInfo.exec();
+}
+
+
+void DBHelper::updateFromRemoteClient(qulonglong libraryId,const ComicInfo & comicInfo)
+{
+    QString libraryPath = DBHelper::getLibraries().getPath(libraryId);
+    QSqlDatabase db = DataBaseManagement::loadDatabase(libraryPath+"/.yacreaderlibrary");
+
+    ComicDB comic = DBHelper::loadComic(comicInfo.id,db);
+
+    if(comic.info.hash == comicInfo.hash)
+    {
+        if(comic.info.currentPage == comic.info.numPages)
+            comic.info.read = true;
+        comic.info.currentPage = comicInfo.currentPage;
+        comic.info.hasBeenOpened = true;
+
+        DBHelper::updateReadingRemoteProgress(comic.info,db);
+    }
+
+    db.close();
+    QSqlDatabase::removeDatabase(libraryPath);
+}
+
 void DBHelper::renameLabel(qulonglong id, const QString &name, QSqlDatabase &db)
 {
     QSqlQuery renameLabelQuery(db);
diff --git a/YACReaderLibrary/db_helper.h b/YACReaderLibrary/db_helper.h
index b104b48f..5eb2eae3 100644
--- a/YACReaderLibrary/db_helper.h
+++ b/YACReaderLibrary/db_helper.h
@@ -57,6 +57,8 @@ public:
 	static void updateRead(ComicInfo * comicInfo, QSqlDatabase & db);
     static void update(const Folder & folder, QSqlDatabase & db);
     static void updateProgress(qulonglong libraryId,const ComicInfo & comicInfo);
+    static void updateReadingRemoteProgress(const ComicInfo & comicInfo, QSqlDatabase & db);
+    static void updateFromRemoteClient(qulonglong libraryId,const ComicInfo & comicInfo);
     static void renameLabel(qulonglong id, const QString & name, QSqlDatabase & db);
     static void renameList(qulonglong id, const QString & name, QSqlDatabase & db);
     static void reasignOrderToSublists(QList<qulonglong> ids, QSqlDatabase & db);
diff --git a/YACReaderLibrary/server/controllers/synccontroller.cpp b/YACReaderLibrary/server/controllers/synccontroller.cpp
index 14a2ed2a..7c4c1859 100644
--- a/YACReaderLibrary/server/controllers/synccontroller.cpp
+++ b/YACReaderLibrary/server/controllers/synccontroller.cpp
@@ -3,6 +3,9 @@
 #include "QsLog.h"
 #include <QUrl>
 
+#include "comic_db.h"
+#include "db_helper.h"
+
 SyncController::SyncController()
 {
 
@@ -10,15 +13,42 @@ SyncController::SyncController()
 
 void SyncController::service(HttpRequest &request, HttpResponse &response)
 {
-    QString path = QUrl::fromPercentEncoding(request.getPath()).toUtf8();
-    QStringList pathElements = path.split('/');
-    qulonglong libraryId = pathElements.at(2).toULongLong();
-
     QString postData = QString::fromUtf8(request.getBody());
 
     QLOG_INFO() << "POST DATA: " << postData;
 
-    //TODO Process postData and update the comics
+    if(postData.length()>0) {
+        QList<QString> data = postData.split("\n");
+
+        qulonglong libraryId;
+        qulonglong comicId;
+        int currentPage;
+        QString hash;
+        foreach(QString comicInfo, data)
+        {
+            QList<QString> comicInfoProgress = comicInfo.split("\t");
+
+            if(comicInfoProgress.length() == 4)
+            {
+                libraryId = comicInfoProgress.at(0).toULongLong();
+                comicId = comicInfoProgress.at(1).toULongLong();
+                hash = comicInfoProgress.at(2);
+                currentPage = comicInfoProgress.at(3).toInt();
+
+                ComicInfo info;
+                info.currentPage = currentPage;
+                info.hash = hash; //TODO remove the hash check and add UUIDs for libraries
+                info.id = comicId;
+                DBHelper::updateFromRemoteClient(libraryId,info);
+            }
+        }
+    }
+    else
+    {
+        response.setStatus(412,"No comic info received");
+        response.writeText("",true);
+        return;
+    }
 
     response.write("OK",true);
 }
diff --git a/YACReaderLibrary/server/requestmapper.cpp b/YACReaderLibrary/server/requestmapper.cpp
index 3da463f4..66b03413 100644
--- a/YACReaderLibrary/server/requestmapper.cpp
+++ b/YACReaderLibrary/server/requestmapper.cpp
@@ -106,13 +106,14 @@ void RequestMapper::service(HttpRequest& request, HttpResponse& response) {
     QRegExp comicPage("/library/.+/comic/[0-9]+/page/[0-9]+/?"); //get comic page
     QRegExp comicPageRemote("/library/.+/comic/[0-9]+/page/[0-9]+/remote?"); //get comic page (remote reading)
 
-    QRegExp sync("/library/.+/sync");
+    QRegExp sync("/sync");
 
     QRegExp library("/library/([0-9]+)/.+"); //permite verificar que la biblioteca solicitada existe
 
     path = QUrl::fromPercentEncoding(path).toUtf8();
 
-    loadSession(request, response);
+    if(!sync.exactMatch(path)) //no session is needed for syncback info, until security will be added
+        loadSession(request, response);
 
     //primera petición, se ha hecho un post, se sirven las bibliotecas si la seguridad mediante login no está habilitada
     if(path == "/")  //Don't send data to the server using '/' !!!!
@@ -123,6 +124,7 @@ void RequestMapper::service(HttpRequest& request, HttpResponse& response) {
     {
         if(sync.exactMatch(path))
             SyncController().service(request, response);
+        else
         {
             //se comprueba que la sesión sea la correcta con el fin de evitar accesos no autorizados
             HttpSession session=Static::sessionStore->getSession(request,response,false);