Table of Contents
What is a session lock?
Session locks are temporary actions taken when users stop work and move away from the immediate vicinity of information systems but do not want to log out because of the temporary nature of their absences. Session locks are implemented where session activities can be determined.
What is session Auto_start?
Introduction ¶ The session support allows you to store data between requests in the $_SESSION superglobal array. auto_start is set to 1) or on your request (explicitly through session_start()) whether a specific session id has been sent with the request. If this is the case, the prior saved environment is recreated.
What is the difference between session lock and session termination?
For Windows 7 users, “Lock” keeps the last user connected. “Disconnect Session” means a different user can log on (shared computer). Locking the computer means your apps are still ON and running. This will allow another user to access their own account quickly after they authenticate using their own GateKeeper token.
What are pattern-hiding displays?
Pattern-hiding displays can include static or dynamic images, for example, patterns used with screen savers, photographic images, solid colors, clock, battery life indicator, or a blank screen, with the additional caveat that none of the images convey controlled unclassified information.
How do I turn on automatic sessions?
If you want to start a session automatically, you will have to find the below line in your php. ini file and change the value from 0 to 1 and restart your server. Here is the example to set the value of auto_start using configuration file in PHP. By replacing or adding the value of session.
Purpose: The PHPSESSID cookie is native to PHP and enables websites to store serialized state data. On the Action website, it is used to establish a user session and to pass state data via a temporary cookie, which is commonly referred to as a session cookie.
How do I remove all session variables?
You can unset session variable using:
- session_unset – Frees all session variables (It is equal to using: $_SESSION = array(); for older deprecated code)
- unset($_SESSION[‘Products’]); – Unset only Products index in session variable.
- session_destroy — Destroys all data registered to a session.
What is the necessary function to have before using session variables?
Use the session_start Function The important thing is that the session_start function must be called at the beginning of the script, before any output is sent to the browser.
How to prevent multiple logins of the same user with PHP?
To prevent the user from login on multiple systems or web browsers you need to generate a token on each successful login attempt. Need to check the token on each page. If the token does not match then destroy the SESSION and log out the user. In this tutorial, I show how you can prevent multiple logins of the same user with PHP.
How to restrict the user from logging in on multiple systems?
Sometimes required to restrict the user to only log in on a single system or a browser at a time. To prevent the user from login on multiple systems or web browsers you need to generate a token on each successful login attempt. Need to check the token on each page. If the token does not match then destroy the SESSION and log out the user.
How do I create a user token in phpphp?
PHP On submit match username and password in the users table. If a record is available then initialize a $_SESSION [‘username’] and generate a token value to initialize $_SESSION [‘token’] variable. Check user record already exist or not in the user_token table if it exists then update the token field value otherwise insert a new record.