SSL - Set RequiresSSL = "false" And Allow The Authentication Cookie To Pass Over HTTP?
Jan 24, 2010
I intend to use SSL on the login form so that the username and password is encrypted during user login. But, after the user has been authenticated, if I return to HTTP, the Autentication Cookie will be passed from client to server on each request. How safe is this? Obviously i'll use SSL on pages where the user is entering sensitive information, but for most of the time, for performance reasons, i'll just want them to remain authenticated and use HTTP.
I note that if I set RequiresSSL="True" in my forms authentication section in web.config then the authentication cookie is not passed if I use HTTP so I cannot identify the current user. "Is it bad practice to set RequiresSSL="false" and allow the Authentication cookie to pass over HTTP"?
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Similar Messages:
Dec 6, 2010
is it possible to preserve authentication for ASP.NET Forms authentication cookie,btween Http and Https (different domains) and back?I mean haveing single signon for two domains say http://www.mydomain.com and https://members.mydomain.comI've seen on quite asp.net sites that have a 'MyAccount' section they transfer the site to https and then when you have logged into your account successfully and gone back to the majority of the site you move back to http whilst still being logged in.
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Aug 19, 2010
We have a non-SSL ASP.NET web app that allows a user to login (ASP forms authentication, inproc).
Once authenticated, we redirect their browser to an external, SSL secured page on another web site / domain altogether that we do not control.
The client is redirected back to a pre-configured url on our original http web app when done.
However, the customer is then asked to "re-login" again on our side which is undesired...
It seems the forms authentication cookie is destroyed when transitioning between HTTP and HTTPS and back again.
How can I keep the forms authentication cookie alive so that the customer does not have to re-authenticate on the round trip?
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Jan 4, 2011
Background:
We are using the Facebook API and receive back URLs for profile image thumbnails. Unfortunately the protocol is restricted to just HTTP and it doesn't support HTTPS. The page on our site that hosts the thumbnails is always delivered via HTTPS, and if we use HTTP for the thumbnails the user will receive security warnings from their browser.
Solution:
Build an HTTP Handler that "passes through" the image from the Facebook URL, but allow the handler to be called via HTTPS. Before I started coding I thought I could something like this:
Response.OutputStream = WebRequest.Create(FacebookUrlForThumbnail)
but I ended up having to save the image to an object in memory than write the image to the Response.OutputStream using the image save function.
Current Code:
[Code]....
This seems inefficient but I can't find a way of using the HTTP Handler as I orginally intended. Is there way of accomplishing the goal without creating the image memory and just "passing through" the call?
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Dec 21, 2010
I want my cookie to disappear when the user closes their brower-- I've already set some promising looking properties, but my cookies pop back to live even after closing the entire browser.
HttpCookie cookie = new HttpCookie("mycookie", "abc");
cookie.HttpOnly = true; //Seems to only affect script access
cookie.Secure = true; //Seems to affect only https transport
What property or method call am I missing to achieve an in memory cookie?
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Jun 7, 2010
I am having a hard time implementing "Remember Me" functionality in an MVC application with a custom principal. I have boiled it down to ASP.NET not retrieving the authentication cookie for me. I have included a snaphot below from Google Chrome.
Shows the results of Request.Cookies that is set within the controller action and placed in ViewData for the view to read. Notice that it is missing the .ASPXAUTH cookie Shows the results from the Chrome developer tools. You can see that .ASPXAUTH is included here.
Does anyone know what the issue may be here? Why does ASP.NET not read this value from the cookie collection?
My application uses a custom IPrincipal. BusinessPrincipalBase is a CSLA object that ust implements IPrincipal. Here is the code for that:
[Code]....
I do not think that any of this is related because the bottom line is that the Request.Cookies does not return the authentication cookie. Is it related to the size of the cookie? I heard there are issues to the size of the cookie.
UPDATE: It seems that the issue revolves around subdomains. This site was being hosted with a subdomain and the cookie domain was left blank. Does anyone have any pointers on how I can get the auth cookie to work with all domains (e.g. http://mydomain.com, http://www.mydomain.com, and http://sub.mydomain.com)?
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Jan 29, 2010
Do we know the algorithm that asp.net uses to create the authentication cookie (when using forms authentication?)
Can we basically create our own copy implementation? if so, how?
What does it use to generate the encrypted cookie value, I know it uses whatever you pass into the SetAuthCookie call (which is usually the userID/username).
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Jun 11, 2010
I have an ASP.NET website for which i've set the authetication timeout to 60 days so that my users don't have to log in each time they come back if they checked the "remember me" option. Basic ASP.NET login mechanism... It's working fine on my developpement server as well as on the visual studio built-in web server. I can close the browser, wait around 30-40 minutes and browse back to the site and be automatically logged in.
However, I've not moved the site to a hosting provider and it seems that whatever I do to my Web.config file, the cookie expires after around 30 minutes (hard to tell the exact amount of time). I have asked the provider's help support and they basically told me: "Web.config file is to configure your website. Please do not change it if you don't know what you are doing"Frustrating answer indeed... be sure, I checked everywhere on the net for exceptions, fine prints, in the basic asp.net authentication but found none.I have access to IIS remote management for my site (IIS 7) but don't really know where to look. Can there be something in the IIS setting that is overriding my web.config authentication setting?
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Sep 2, 2010
I have 2 websites running on localhost in different ports. As browsers do not differentiate port numbers when sending cookies, my forms authentication ticket from one site is being sent to the other
How do I solve this? I thought that a good solution would be to change the forms authentication ticket or one of the websites but I don't know how to do this.
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Nov 6, 2010
I have a bunch of applications that currently share the authentication cookie in v3.5.
We're in the process of upgrading to 4.0 and also upgrading the applications as a whole. I have 1 done, and would love to deploy it. However, as soon as I do, I lose my sharing of authentication cookie in that application.
In each web.config, my machine key is declared. I removed the actual keys to protect the innocent. :)
<machineKey validationKey="..." decryptionKey="..." validation="SHA1"/>
<authentication mode="Forms">
<!-- DEV Server -->
<forms enableCrossAppRedirects="true" loginUrl="Logon.aspx" name=".COOKIENAMEHERE" protection="All" path="/" slidingExpiration="true" timeout="1440"/>
</authentication>
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Dec 8, 2010
I'm using ASP authentication and the integrated webservice.
The user logins in with Forms authentication on a login page.
To log out, I call the authentication webservice from Silverlight and call logout.
Everything worked OK but now sometimes IE gets crazy and doesn't log out the user anymore.
I used Fiddler and it turns out that the authentication service returns a SetCookie to clear the ASPXAUTH cookie but on the next call IE still has the cookie set.
So off course because the cookie is there the user is authenticated and logs right back in rather than being directed to the login page.
I checked and didn't see any other description of the issue.
I can't reproduce it and my colleagues that have a misbehaving IE have it working fine on one environment and not on the other (one has the issue for DEV and another has the issue for the PreProd server).
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Jul 6, 2010
My users need to stay logged in for 1 day, so I used a persistent authentication cookie with an expiration of 1 day but it still times out after 20 minutes (which is the default timeout for the session, not the cookie).
This is my code:
<authentication mode="Forms">
<forms loginUrl="Login.aspx" protection="All" path="/" />
</authentication>
FormsAuthenticationTicket ticket =
new FormsAuthenticationTicket(1, "username", DateTime.Now, DateTime.Now.AddDays(1), true, "userdata");
string encTicket = FormsAuthentication.Encrypt(ticket);
HttpCookie cookie = new HttpCookie(FormsAuthentication.FormsCookieName, encTicket);
cookie.Expires = ticket.Expiration;
HttpContext.Current.Response.Cookies.Add(cookie);
I also have manually-generated validation and decryption keys:
<machineKey>
validationKey="......."
decryptionKey="......."
validation="SHA1"
</machineKey>
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Dec 13, 2010
We have had a bug recently where users are logging into an application with multiple browser tabs. They are editing a content page which means that they can be working on a page for sometime (ie with no postbacks) They finally click save and because the session has timed out it takes then to login page. I initally resolved they by adding a reminder that the session is about to expire which initally resolved the issue. It has been noted that even when they are within session time out they still got redirected to login page (and loosing the data on the form). We had real problems replicating the issue but have finally managed to do so now and I have learnt some curous features of .net Forms Authentication.
I have set up a test project which has the membership controls on etc. I have set the Timeout on the <forms> tag
<forms loginUrl="~/Account/Login.aspx" timeout="2" />Case 1I then open two browsers windows (side by side), both on the login page (and logged out)On the left window I login (and start a timer)after 40 seconds on the right window I navigate to a page (which takes me to the page as I have logged in on left window )I then wait until the full 2 minutes has elapsed (but before 2 Minutes and 40 seconds) and then try and navigate to a page on the left window.It redirects me to the login pageI would expect it to allow me to navigate to as I have kept my session open on the right window.Case 2I then open two browsers windows (side by side), both on the login page (and logged out)On the left window I login (and start a timer)after 90 seconds on the right window I navigate to a page (which takes me to the page as I have logged in on left window )I then wait until the full 2 minutes has elapsed (but before 2 Minutes and 40 seconds) and then try and navigate to a page on the left window.It Navigates to the page keeping me logged in.After a bit of reading around the subject I have found out that the slidingexpiration property only renews the cookie if it is in the last 50% of the timeout value:
Sliding expiration resets the expiration time for a valid authentication cookie if a request is made and more than half of the timeout interval has elapsed[URL]
My Question is: How can I override this bit of functionality?
Is there a property to set somewhere to "Always renew cookie"?
Is there another workaround. Unfortunately I can't increase the timeout because of a complience issue (it must be set to 15 minutes)
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Oct 26, 2010
Since last week I've had a really odd issue with PageMethods, the forms authentication cookie, and the back button which i've never seen before.
Essentially, I have a 'home page' which on document.ready (using jQuery), loads some data through PageMethods, and then renders a list - from which you can click through to a details page about the item. In general use, it works fine. However, using the back button after clicking through (ie: going back to the home page), it throws a PageMethods error. The browser's 'authentication required' prompt appears, and if you click cancel, the server returns a 401. The error returned by PageMethods on the client side is 'authentication failed'.
After inspecting the request in Fiddler, the forms authentication cookie isn't sent with the request, which would explain why it is happening. My fiddler entry for the request looks like this:
[Code]....
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May 21, 2010
What is the content of ASP.NET FormsAuthentication cookie value? How can I see the real value of the hashed string (in case that I have the decrypted key)?
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Nov 2, 2010
I have 3 applications running at my end.
RootSite
RootSite/VirtualDirectory1
RootSite/VirtualDirectory2
I have a login page in three of these applications. When I login in either of these applications the .ASPXAUTH cookie is set but I am seeing that all of the three applications are updating the same .ASPXAUTH cookie instead of creating individual one. For example a user login on "RootSite", .ASPXAUTH cookie is created, now the user comes and login in the application "RootSite/VirtualDirectory1" and this time I am seeing the same .ASPXAUTH cookie is updating. I am confirming this because the created date of this cookie has been changed. So this means instead of creating a new cookie it is using the same cookie. How can I resolve this ? I don't want to interfere the logged-in logged-out status of one application with the other?
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Mar 5, 2011
I used this following code to set authenticate cookie :
System.Web.Security.FormsAuthentication.SetAuthCookie(Profile.Email, true);
my question is how I can increase life-time for this authentication cookie ?
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Feb 5, 2010
Once the user has authenticated, I would like to base all of the information displayed to the user based on their username. Isn't that saved in the cookie?
For instance, I would like to pull all of their client information using a GridView and have the parameter set to the appropriate authentication information.
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Jan 24, 2016
asp:querystringparameter assign value how to ...
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Feb 18, 2011
My requirements is when one other website call my service (httphandler) and in response i will provide one parameter which is
value of form authentication cookie
now that website call my website with that cookie value as query string , how to check from that cookie value that particular use is authenticated or not ?
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Mar 30, 2010
It looks like JavaScript does not have access to authentication cookies ('ASP.NET_SessionId', '.ASPXFORMSAUTH') in the http headers I can see cookies but document.cookie object does not have them.
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Jan 12, 2011
I am having a scenario, where i need to decode ASP.NET FormsAuthentication Cookie in other language to accomplish Single Sign-On.
I am having a ASP.NET website, that also has WCF Authentication service. But I have just come know that even Java and PHP Application are also going to use my Authentication Gateway to authenticate user and so enable Single Sing-On.
I am done with the same in .NET application but to perform same in non-.NET techs, I need to decode FormsAuthentication Cookie of browser. FormsAuthentication Cookie are Encrypted so there must exist a algorithm that can decode it or a kind of dll that I can load in Java and read it.
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Feb 9, 2010
I am using forms authentication and have an issue with a particular browser using the remember me feature. For various reasons I want to support the opera browser that works with the nintendo dsi. I can use forms authentication with that browser just fine but when I use the remember me (cookie) feature I can get through the login but then calls to User.Identity.IsAuthenticated return false. If I do not check remember me it works fine. Initially I thought the browser didn't support cookies but it does. At least I can go to m.gmail.com and check their version of remember me and it works. I can exit the browser and come back in and m.gmail.com remembers me. Also I don't have problems with remember me on any other browser I have tried.
Is anyone aware of some specific browser issue that doesn't work with asp.net forms authentication? I am using asp.net mvc but I doubt that matters.
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Jun 23, 2010
What are the exact steps required for a cookie to persist after a browser is closed? At the moment I have:
System.Web.Security.FormsAuthentication.Decrypt(Request.Cookies[System.Web.Security.FormsAuthentication.FormsCookieName].Value)
{System.Web.Security.FormsAuthenticationTicket}
CookiePath: "/"
[code]...
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Jun 29, 2010
Environment is IIS 7 integrated pipeline, ASP.NET 4.0. I have a .aspx page configured without anonymous authentication and with windows authentication:
<location path="auth/windows">
<system.webServer>
<security>
[code]...
When I request the page, a normal Windows auth (NTLM/Negotiate) challenge response happens, and ultimately the page is returned.I have an HttpModule in which I handle the PostAuthorize event. As expected, this event is only raised once the challenge-response authentication has succeeded and access to the page has been authorized.However, the Request.IsAuthenticated property is false; and HttpContext.Current.User.Identity reflects an unauthenticated user (.Name returns the empty string). Interestingly, Request.ServerVariables["LOGON_USER"] does return the value of the authenticated Windows user.I'd have thought that once the user was authenticated (and authorized, for that matter), the request would reflect being authenticated; and the User / Identity for the request would have been properly set.
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