byod security issues

Scenario:a page is not logged in can be accessed, but when the specific operation found that the login window is not logged in, to complete the login after the operation. The following error was found when the login was successful and the front-end continued operation (Post backend interface):The security token provided applies to the user "", but the current user is "XX". (the login and the specific page operation are Ajax post)after seeing this erro

use PHP to do Server interface client with HTTP protocol post access security generally how to do My problem is, if you do not do security-related processing, some may change the database operation may encounter garbage data submission, after all, to find this information just to find an HTTP packet. System no User Login Novice issues (never done server-side dev

Security issues caused by HttpOnly flag setting in the browser 1. Introduction If the HttpOnly flag is set for the cookie, you can avoid JavaScript reading the cookie when XSS occurs. This is also the reason why HttpOnly is introduced. But can this method defend against attackers? The HttpOnly flag prevents the cookie from being "read". Can it prevent the cookie from being "written? The answer is no, so t

+ "\",\"" + packageName + "\",\"" + name + "\",0,\"/system/bin/sh\",1,0) "; String sqlInsertPermissions = "insert into apps (uid,package,name,exec_uid,exec_cmd,allow) " + "values (\""+ uid + "\",\"" + packageName + "\",\"" + name + "\",\"0\",\"/system/bin/sh\",\"1\") "; String[] commands = {"busybox mount -o remount,rw /system" ,"ls /system/bin/sqlite3 || ls /system/xbin/sqlite3 || busybox cp /data/data/" + pa

C # thread security issues caused by cross-thread calls of Form Controls (such as TextBox, How to: make thread-safe calls to Windows Forms controls Access to Windows Forms controls is not thread-safe in nature. If two or more threads operate on the status of a control, the control may be forced to enter an inconsistent state. Other thread-related bugs, such as contention and deadlocks, may also occur. It is

processing files, and then add parameters to the other program to access theFor example:Http://www.xxx.com/Handler/HandlerVPhone.ashx?txtPhone=xxxxxxxxxxxHttp://www.xxx.com/Handler/HandlerSmsService.ashx?txtPhone=xxxxxxxxxxxtype=GetprType=1The solution:. NET page background, through the GUID to generate a unique value, assigned to the session, the foreground general processing file parameter value to the background to do validationsession["Chkcode"] = Guid.NewGuid (). ToString ();Hdnchkcode. Va

PHP function Binary Security issues

Typically, after a single instance of the servlet is generated, a new thread is requested for each user . If many requests come at the same time, multiple threads may concurrently access the same Servlet object. The servlet is thread insecure and there are some limitations when multithreaded access to the servlet: Try not to have member variables; If there is a member variable, this member variable is also a stateless member variable; If you want to have a member variable, this membe

on JavaScript and HTML tags (sometimes with a CSS-style XSS vector).There are generally four ways to do this: Page label comes with script Dom property comes with script Request address comes with script Enter blank break filter limit Give two little plums:The means of XSS attack defenseBecause the root of XSS is a means of inserting script code into a Web site and making it run. Defense methods are divided into two types, service-side defense and client defense.Servic

, Citycode); } } return citycodemap; }PS: There are tens of thousands of key-value pairs in the citynum here.Workaround: Hashtable Concurrenthashmap Synchronized Map Can self-search implementation principle, a lot of great God, big fairy Son are elaborated than I detailed.All say programmers are lazy people, I do not agree. We just want to use the least amount of code to solve the problem. So, our improvement plan is to change the HashMap direct

Set the Php-templete.ini file, locate the Open_basedir, remove the preceding semicolon, and resolve the problem as shown below.; Open_basedir, if set, limits all file operations to the defined directory; and below. ; This directive makes more sense if used in a per-directory; or per-virtualhost Web server configuration file. This directive is; not affected by whether Safe Mode was turned on or Off.Open_basedir = "${doc_root}:/tmp"Kangle security reso

account) is the simple password settings, too simple password is easy to hack, Please set the password to a more complex exception port.See Next/etc/rc.local whether there is an unusual item in this file, some comments out; The logon server uses the Ps-aux command to see if there is an exception process, which can be closed with the kill command What to do if you find an unauthorized loginIf you are concerned about illegal users breaking into the system, the simplest way is to use the W comman

Package Com.lc.servlet;import Java.io.ioexception;import Java.io.printwriter;import javax.servlet.ServletException ; Import Javax.servlet.http.httpservlet;import Javax.servlet.http.httpservletrequest;import Javax.servlet.http.httpservletresponse;public class Ticketsell extends HttpServlet {public int ticket = 3;// Suppose only three tickets public void doget (HttpServletRequest request, httpservletresponse response) throws Servletexception, IOException {PrintWriter out = Response.getwriter (); R

encoding $this->mysqli->set_charset ("UTF8"); Create a SQL statement that uses a wildcard $sql = ' SELECT user_id from admin WHERE username=? and password=?; //Compile the statement to get a stmt object. $stmt = $conn->prepare ($sql); /******************** After the content can be reused, do not have to compile *************************///Bind data with Bind_param method //You can see, Because I left two? That is, to bind two data to it, so the first parameter is the type of data bound (S=s