sesjonsIDen

A sesjonsIDen, often translated as session ID, is a unique identifier assigned to a user's session with a web server. When a user visits a website, the server creates a temporary session for them to store information like login status, shopping cart contents, or user preferences. The sesjonsIDen is the key that links the user's browser to this specific server-side session.

Typically, a sesjonsIDen is generated by the server when a user's first request is received. It is then transmitted back to the user's browser, usually via a cookie. Subsequent requests from the same browser will include this cookie, allowing the server to recognize the user and retrieve their associated session data. If cookies are disabled or not supported, the sesjonsIDen might be passed through the URL, though this is less secure and generally discouraged.

The primary purpose of a sesjonsIDen is to maintain state across multiple stateless HTTP requests. HTTP itself is stateless, meaning each request is independent. Sessions and their corresponding sesjonsIDen enable websites to provide a personalized and continuous experience for users, even without requiring them to re-authenticate or re-enter information on every page load. Security is a significant consideration; strong, unpredictable sesjonsIDen generation and secure transmission methods are crucial to prevent session hijacking and unauthorized access.