Can a cookie have multiple domains?

Can a cookie have multiple domains?

1 Answer. A cookie can only have 1 domain value. So you can either set it to a specific domain or the top domain wich includes all the subdomains.

How do I set cookies for all domains?

There’s no such thing as cross domain cookies. You could share a cookie between foo.example.com and bar.example.com but never between example.com and example2.com and that’s for security reasons. You cannot share cookies across domains. You can however allow all subdomains to have access.

What are cross domain cookies?

When you visit a website, you might have noticed a text box that pops up, notifying you that the website is using cookies. Some websites allow you to accept or decline this. These days, a cookie, specifically cross domain cookies, can do extensive market research on behalf of business owners, just like telemarketers.

How many cookies are in a domain?

According to the RFC, browsers would ideally have no limits on the size and number of cookies a browser can handle, but to meet the specifications, the user agent should support: At least 300 cookies total. At least 20 cookies per unique host or domain name.

Can subdomain read cookie?

If Domain is not specified, the cookie can only be read by the exact domain that has set the cookie. This can be loosened by setting the Domain attribute when setting a cookie. This cookie will be sent for any subdomain of mydomain.com, including nested subdomains like subsub.subdomain.mydomain.com .

How does multi domain cookie based authentication work?

When user logged in to the application A (client application) it will send a web request (HttpWebRequest) to application B (my API). This request will contain encrypted login details. Then application B will do the authentication and update application A. (B create auth cookie and send it to A )

How to set cookies from a parent site?

If you’re having multiple sites in where you need to set a cookie from a parent site, you can use basic HTML and JS to set the cookies. Google is using this same way. For this tutorial, we will refer to three domains : We will set cookies on mysite.com and india.com from example.com.

Is there any way to allow cross domain cookies in IIS server?

Is there any way to allow cross-domain cookies in IIS server. (Both applications will be hosted in IIS) For security issues, this kind of option is forbidden. Which you can refer to Same-origin Policy. And for hwow cookie work, please refer to: How cookie work.

Is the same cookie used on YouTube and blogger?

If you look at the source code of the page, you can see the tags of youtube.com and blogger.com domain. Yes, Google is using the same way to set login information cookie on YouTube and Blogger.