Create cookie in C# and change the value via Javascript

Question

Is it possible to access a C# created cookie via Javascript and change the value? (I'm aware that it's a security measure - but whats the alternative)

C#

 HttpCookie myCookie = new HttpCookie("theName", "theValue");
 Response.Cookies.Add(myCookie);

Javascript

console.log(document.cookie) //doesn't include my cookie..

if its HTTP cookie then you cant access them in javascript. Yes you can access the cookie and change the value in javascript. — Vikash
– Vikash, Commented Mar 26, 2015 at 13:26
Is there an alternative way to create a cookie, using c#, without restricting javascript access? — ManxJason
– ManxJason, Commented Mar 26, 2015 at 13:27
A cookie is a cookie, it is the same to create it from your C# code or from Javascript :) So of course you can access it wherever you want (C# or JS) — bviale
– bviale, Commented Mar 26, 2015 at 13:28

ManxJason · Accepted Answer · 2015-03-26 13:41:13Z

1

HttpCookie is by default protected - i.e. Javascript cannot read them. Setting the following bool property allows access.

myCookie.HttpOnly = false

answered Mar 26, 2015 at 13:41

ManxJason

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