---
title: "What is Session Identifier?"  
description: "What is Session Identifier?"  
author: "Pushpendra Singh"  
published: 2010-10-25  
updated: 2020-09-19  
canonical: https://www.mindstick.com/interview/114/what-is-session-identifier  
category: "asp.net"  
tags: ["asp.net"]  
reading_time: 1 minute  

---

# What is Session Identifier?

Session Identifier is used to identify session. It has SessionID property. When a page is requested, a browser sends a cookie with a session identifier. This identifier is used by the web server to determine if it belongs to an existing session. If not, a Session ID (120 - bit string) is generated by the web server and sent along with the response.

## Answers

### Answer by Pushpendra Singh

Session Identifier is used to identify session. It has SessionID property. When a page is requested, a browser sends a cookie with a session identifier. This identifier is used by the web server to determine if it belongs to an existing session. If not, a Session ID (120 - bit string) is generated by the web server and sent along with the response.


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Original Source: https://www.mindstick.com/interview/114/what-is-session-identifier

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