diff --git a/paramecio2/modules/admin/app.py b/paramecio2/modules/admin/app.py
index 5db6aa8..042d3dc 100644
--- a/paramecio2/modules/admin/app.py
+++ b/paramecio2/modules/admin/app.py
@@ -1,9 +1,10 @@
 from flask import Blueprint, redirect, session, url_for, request, g, make_response, abort
 from settings import config
 from paramecio2.libraries.i18n import I18n
+from paramecio2.libraries.datetime import now, format_local_strtime, timestamp_to_datetime, obtain_timestamp
 from paramecio2.libraries.formsutils import show_form, generate_csrf, set_extra_forms_user, pass_values_to_form
 from paramecio2.libraries.db.webmodel import WebModel
-from paramecio2.modules.admin.models.admin import UserAdmin
+from paramecio2.modules.admin.models.admin import UserAdmin, LoginTries
 from paramecio2.libraries.keyutils import create_key_encrypt, create_key
 from time import time
 import os, sys
@@ -249,6 +250,8 @@ def login():
                         sendmail.send(config.portal_email, [arr_user['email']], I18n.lang('admin', 'code_for_complete_login', 'Code for complete login'), I18n.lang('admin', 'code_for_complete_login_explain', 'We send to you a code for activate your account using double authentication:')+"\n"+token_auth, content_type='plain', attachments=[])
                         
                     
+                    arr_update['last_login']=now()
+                    
                     if len(arr_update)>0:
                         
                         user_admin.set_conditions('WHERE id=%s', [arr_user['id']]).update(arr_update)
@@ -263,11 +266,15 @@ def login():
             
             
             else:
-
-                return {'error': 1, 'csrf_token': generate_csrf()}
+                
+                you_cannot_login=check_login_tries()
+                
+                return {'error': 1, 'you_cannot_login': you_cannot_login}
         else:
             
-            return {'error': 1, 'csrf_token': generate_csrf()}
+            you_cannot_login=check_login_tries()
+            
+            return {'error': 1, 'you_cannot_login': you_cannot_login}
         
         #if
     
@@ -356,10 +363,16 @@ def auth_check():
         
         user_admin=UserAdmin(g.connection)
         
+        user_admin.check_user=False
+        
         c=user_admin.set_conditions('WHERE id=%s AND token_auth=%s', [session['user_id'], code]).select_count()
         
         if c==1:
             
+            user_admin.safe_query()
+            
+            user_admin.set_conditions('WHERE id=%s', [session['user_id']]).update({'token_auth': ''})
+            
             session['verify_auth']=True
             error=0
     
@@ -369,3 +382,41 @@ def auth_check():
 def recovery_password():
     
     return ""
+
+def check_login_tries():
+    
+    logintries=LoginTries(g.connection)
+    
+    logintries.safe_query()
+    
+    if request.headers.getlist("X-Forwarded-For"):
+       ip=request.headers.getlist("X-Forwarded-For")[0]
+    else:
+       ip=request.remote_addr
+
+    you_cannot_login=0
+    
+    arr_try=logintries.set_conditions('WHERE ip=%s', [ip]).select_a_row_where()
+    
+    now_str=now()
+    date_now=format_local_strtime('YYYY-MM-DD HH:mm:ss', now_str)
+    
+    date_check=format_local_strtime('YYYY-MM-DD HH:mm:ss', timestamp_to_datetime(obtain_timestamp(now_str)-300))
+    
+    logintries.query('delete from logintries where last_login<%s', [date_check])
+    
+    if arr_try:
+        
+        if arr_try['num_tries']<5:
+        
+            logintries.query('update logintries set num_tries=num_tries+1, last_login=%s WHERE ip=%s', [date_now, ip])
+            
+        else:
+            
+            you_cannot_login=1
+            
+    else:
+        
+        logintries.query('insert into logintries (`ip`, `num_tries`, `last_login`) VALUES (%s, %s, %s)', [ip, 1, date_now])
+
+    return you_cannot_login
diff --git a/paramecio2/modules/admin/models/admin.py b/paramecio2/modules/admin/models/admin.py
index a748c6d..6b39303 100644
--- a/paramecio2/modules/admin/models/admin.py
+++ b/paramecio2/modules/admin/models/admin.py
@@ -7,6 +7,8 @@ from paramecio2.libraries.db import corefields
 from paramecio2.libraries.db.extrafields.emailfield import EmailField
 from paramecio2.libraries.db.extrafields.passwordfield import PasswordField
 from paramecio2.libraries.db.extrafields.langfield import LangField
+from paramecio2.libraries.db.extrafields.datetimefield import DateTimeField
+from paramecio2.libraries.db.extrafields.ipfield import IpField
 
 class PrivilegesField(corefields.IntegerField):
 
@@ -92,8 +94,21 @@ class UserAdmin(UserModel):
         
         self.register(corefields.BooleanField('double_auth'))
         
-        self.register(corefields.IntegerField('num_tries', 1))
+        #self.register(corefields.IntegerField('num_tries', 1))
         
+        self.register(DateTimeField('last_login'))
+
+class LoginTries(UserModel):
+    
+    #def create_fields(self):
+    def __init__(self, connection=None):
+
+        super().__init__(connection)
+        self.register(IpField('ip'))
+        self.register(corefields.IntegerField('num_tries', 1))
+        self.register(DateTimeField('last_login'))
+        
+
 """
 
 user_admin=WebModel('user_admin')
diff --git a/paramecio2/modules/admin/templates/login.phtml b/paramecio2/modules/admin/templates/login.phtml
index 4ee5ce7..26b0654 100644
--- a/paramecio2/modules/admin/templates/login.phtml
+++ b/paramecio2/modules/admin/templates/login.phtml
@@ -60,7 +60,21 @@
                             
                             $('#username_error').html("${lang('common', 'error_disabled', 'Error, your user is disabled, you need support of web administration')}");
                             
-                        } else {
+                        } if(data.hasOwnProperty('you_cannot_login')) {
+                            
+                            if(data.you_cannot_login) {
+                        
+                                $('#username_error').html("${lang('common', 'error_tries_disabled', 'Error, excessive tries, wait some minutes for login again')}");
+                                
+                            }
+                            else {
+                            
+                                $('#username_error').html("${lang('common', 'error_login', 'Error, wrong username or password')}");
+                                
+                            }
+                        
+                        }
+                        else {
 
                             $('#username_error').html("${lang('common', 'error_login', 'Error, wrong username or password')}");