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A cookie can only be overwritten (or deleted) by a subsequent cookie exactly matching the name, path and domain of the original cookie. This means that if you have set cookies of the same name against “. example.org” and “www.example.org”, you can’t be sure which one will be sent back.
Can you have multiple cookies with the same name?
There is nothing wrong with having multiple values for the same name… if you want them. You might even embed additional context in the value. If you don’t, then of course different names are a solution if you want both contexts.
Is it okay to share a session ID via a URL? (1)Yes, sharing a session ID is okay, as it is going only to the intended user.
What should the session ID and cookies be?
Ensure that the session ID does not contain any additional sensitive data. The data should be a random string of characters with no meaning Session cookies should be created with the Secure and HttpOnly attributes Destroy sessions upon timeout, logoff, browser close or log-in from a separate location
Is the sessionid Cookie as secure as the HTTPS encryption?
If the entire site uses HTTPS, your sessionId cookie is as secure as the HTTPS encryption at the very least. This is because cookies are sent as HTTP headers, and when using SSL, the HTTP headers are encrypted using the SSL when being transmitted.
What does the HTTP response header for Set-Cookie mean?
The Set-Cookie HTTP response header is used to send a cookie from the server to the user agent, so the user agent can send it back to the server later. To send multiple cookies, multiple Set-Cookie Get the latest and greatest from MDN delivered straight to your inbox. The newsletter is offered in English only at the moment.
When a developer creates a cookie, with the function setcookie, he must specify at least three arguments. These arguments are setcookie (name, value, expiration); Secure: Specifies whether or not the cookie should only be transmitted over a secure HTTPS connection.