Can a cookie never expire?

A cookie with no expiration date specified will expire when the browser is closed. These are often called session cookies because they are removed after the browser session ends (when the browser is closed). Cookies with an expiration date in the past will be removed from the browser.

What happen if cookie expires max age is session?

It means the cookie will expire at the end of the session (when the browser closes, but not always). When user privacy is a concern, It is important that any web app implementation will invalidate cookie data after a certain timeout and won’t rely on the browser clearing session cookies.

How do you make cookies never expire?

Use a far future date. For example, set a cookie that expires in ten years: setcookie( “CookieName”, “CookieValue”, time() + (10 * 365 * 24 * 60 * 60) ); Note that if you set a date past 2038 in 32-bit PHP, the number will wrap around and you’ll get a cookie that expires instantly.

Which cookie do not have an expiry date?

session cookie
Types of Cookies If a cookie does not contain an expiration date, it is considered a session cookie. Session cookies are stored in memory and never written to disk.

Can you save a cookie forever?

Keep the cookies stored in a box, or preferably, an air tight container such as Tupperware, layered between pieces of parchment paper. Layering with bubble wrap is an option as well, especially if you’re travelling with the cookies. Just make sure the bubble wrap does not touch the cookies.

What is Max-age of cookie?

Max-age sets the time in seconds for when a cookie will be deleted (use this, it’s no longer 2009)

Are cookies shared between subdomains?

Browser cookies can be shared across subdomains if their domain flag is set to a common parent domain. Usually, hackers steal the session cookies by finding a subdomain takeover, RCE, XSS, or any other vulnerability that would expose the user’s cookie.

What happens if cookie is expired?

If a cookie has expired, the browser does not send that particular cookie to the server with the page request; instead, the expired cookie is deleted. This depends upon the specific browser and also the user’s personal settings.