What is cookie handling?
Cookies are text files stored on the client computer and they are kept for various information tracking purpose. When next time browser sends any request to web server then it sends those cookies information to the server and server uses that information to identify the user.
How are cookies used for session tracking in JSP?
Cookies. A webserver can assign a unique session ID as a cookie to each web client and for subsequent requests from the client they can be recognized using the received cookie.
Which of the following method is used to send an encrypted cookie in JSP?
JSP Tutorial – JSP Cookies
| Method | Description |
|---|---|
| String getPath() | gets the path to which this cookie applies. |
| setSecure(boolean flag) | sets to send cookie over encrypted (i.e. SSL) connections. |
| setComment(String purpose) | Sets a comment that describes a cookie’s purpose. |
| String getComment() | get the comment for the cookie |
How cookies are different than session in JSP?
Cookies are only stored on the client-side machine, while sessions get stored on the client as well as a server. A session creates a file in a temporary directory on the server where registered session variables and their values are stored. This data will be available to all pages on the site during that visit.
What information is stored in cookies session ID?
Session IDs can be stored as cookies locally at the client end. When a request is made to the server, the server transmits the cookie containing the session ID. The server has stored the session ID and associated information from the last session and makes it available to the client if the session ID matches.
How are session IDs generated?
The session ID is generated using the Random Number Generator (RNG) cryptographic provider. The service provider returns a sequence of 15 randomly generated numbers (15 bytes x 8 bit = 120 bits). The array of random numbers is then mapped to valid URL characters and returned as a string.
What are the advantages of sessions over cookies?
You won’t set all your important information in a cookie, because users can mess that information up. Data in your session is more secure. A cookie’s data can be modified, as the data is stored locally (on the client), where as a session’s data is stored on the server, and can not be modified (by the client).
What are the disadvantages of cookies?
Disadvantages of Cookies
- Browser Impacts. Cookies are not restricted based on internet usage.
- Security Risks. Since cookies are stored in the hard drive as text files, it posses some serious security risks.
- Size Limitations. Size limitations also exist on cookies.
- Privacy Concerns.
- Manual Disabling.
- Encoding Information.
What are the pros and cons of deleting cookies?
Without your cookies, website hosts won’t be able to count how many times you visit their sites, nor will they be able to create a digital persona based on your personal information. You may see fewer targeted ads as a result. However, the main appeal of deleting your cookies is that it gives you a clean slate.