How I can share cookies from my dimain to subdomain?

1. Can domain set-cookie for subdomain?
2. How do I share cookies with a subdomain?
3. How do I set cookies to all domains?
4. How do I share data between subdomains?
5. Are cookies shared between domains?
6. Are subdomains considered third party cookies?
7. Can I read cookies from other sites?
8. Is local storage shared between subdomains?
9. Are subdomains considered cross domain?
10. Can JavaScript read cookies from other domains?
11. How do I set my browser to accept cookies?
12. Which of the following is used to set cookies?

Can domain set-cookie for subdomain?

The 2 domains mydomain.com and subdomain.mydomain.com can only share cookies if the domain is explicitly named in the Set-Cookie header. ... However, all modern browsers respect the newer specification RFC 6265, and will ignore any leading dot, meaning you can use the cookie on subdomains as well as the top-level domain.

How do I share cookies with a subdomain?

If you want to share cookies across subdomains, but leave out other subdomains, you should explicitly state which subdomains you want to read them, setting a new cookie for each, rather than using wildcards.

How do I set cookies to all domains?

To allow all subdomains of example.com to have access, set the domain to .
...
Cross-site cookies are allowed if:

1. When setting the cookie: The Set-Cookie response header includes SameSite=None; Secure as seen here and here.
2. When sending/receiving the cookie: ...
3. In general:

How do I share data between subdomains?

This is how I use it across domains...

1. Use an iframe from your parent domain - say parent.com.
2. Then on each child.com domain, just do a postMessage to your parent.com iframe.
3. All you need to do is setup a protocol of how to interpret your postMessage messages to talk to the parent.com iframe.

Are cookies shared between domains?

Cookie is not shared among different browsers. Means, one browser cannot read the cookie stored by another browser even if it is same domain. As per HTTP protocol, size of the cookies cannot be greater than 4KB. Number of cookies sent by web server for a given domain cannot be unlimited.

Are subdomains considered third party cookies?

no cookie is treated as a 3rd party cookie. Cookies seem to be considered 3rd party if they come from different base domains (base domains being example.com or example.co.uk ), but not if they come from different subdomains of the same base domain. ... Having myapp.example.com set cookies with domain .

Can I read cookies from other sites?

Ordinarily, websites can't read cookies other than the ones they've left themselves for fairly obvious security reasons, but some third-party cookies can assimilate tracking info across multiple sites, because they're being injected into ads on multiple sites.

Is local storage shared between subdomains?

If the data to be stored is needed on multiple subdomains, local storage also does not work – because local storage is subdomain-specific. Cookies, on the other hand, are more flexible in scope – they can be written to work across multiple subdomains (or even all subdomains on the same top-level domain).

Are subdomains considered cross domain?

2 Answers. Sub-domains are considered different and will fail the Same Origin Policy unless both sub-domains declare the same document. domain DOM property (and even then, different browsers behave differently). You can only make an XHR request to the same host, port, and protocol.

Can JavaScript read cookies from other domains?

2 Answers. You can't. The only cookies you can read with client side JavaScript are those belonging to the host of the HTML document in which the <script> is embedded.

How do I set my browser to accept cookies?

To use your Google Account on a browser (like Chrome or Safari), turn on cookies if you haven't already.
...
In the Chrome app

1. On your Android phone or tablet, open the Chrome app .
2. At the top right, tap More. Settings.
3. Tap Site settings. Cookies.
4. Turn Cookies on or off.

Which of the following is used to set cookies?

Cookies are usually set by a web-server using the response Set-Cookie HTTP-header. Then, the browser automatically adds them to (almost) every request to the same domain using the Cookie HTTP-header.