Security :: Keep Authentication Cookie Between Http And Https On Two Different Domain?
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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Jan 26, 2011
I have a part of my website that uses SSL, and a part that does not. I began having issues recently where the link that takes you to the https part of the site would keep getting rerouted to http. In IIS I have SSL on and required for the members directory, and the certs are all fine. My site is http://mcsd-sc.mcbarons.manheimcentral.org/. I first started by routing the pages directly to the secure part using the <meta http-equiv="refresh" content="0;url=urlgoeshere" /> on a redirect page in the /members directory and this was working perfectly. When my issues started, changed it and made the link just go directly to the members part of the site with the https included in the URL (this is how it is now). Now when you click the link it takes you to the member page without using https, thus throwing an error because I have SSL required on that part of the site. When you look at the code in IE, it just shows the direct link using plain HTTP. When I open the code directly on the server, I see the URL beginning with HTTPS. I've been having a lot of issues lately with updated content not refreshing itself, and rebooting the server does nothing. At this point I'm stumped. I think it might be something in IIS, although I haven't touched it in a long time, unless a recent security update messed it up, which is the only explanation I can think of that would screw it up all of a sudden. The site works perfectly when you manually type https. I thought it might have also been my cache, but I just tried it on a computer that I haven't ever gone to the site on before and I got the same issue.
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Dec 2, 2010
I have a site which is not a secured connection i.e. the URL starts with http://
I want this site to be migrated to https://
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Feb 15, 2010
I am having a site which is now running with http. I need to convert to Https. can anybody help me out how to convert a site from Http to Https.
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Mar 8, 2010
I have two websites (domain and subdomain), something like this: www.website.ro and en.website.ro and I am trying to share a cookie between them. I have set the cookie domain to "website.ro", I tried setting it to ".website.ro", but it doesn't work. I can only read the cookie in the website that created it.
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Aug 10, 2010
I'd like to write out a cookie for a different sub-domain than the one I'm running in. Basically, what I want to do is have a php forum page automatically be authenticated from the asp.net login.That is, I have[URL]When the user log's in to www.mysite.com, I want to write a cookie out that the forum.mysite.com can pick up. It's only going to have the username in it so no encryption is needed. Nothing unsafe best I can tell. I've tried the below code but that still seems to make an encrypted cookie. I need to read it back into php unencrypted.
[Code]....
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Jan 28, 2010
I am using partially secured pages ( SSL). Now the problem is when I am switching between HTTPS and HTTP, I am losing my session. I tried storing session in Sql Server Database, its still not working. I am using just ONE web server and all pages are in single application.I am using Sql server 2008 ,IIS 7.0, C#.Net 3.5 I created a self signed test certificate to test my application.
I understand that I am losing my session because my urls are changing with https and http but there has to be someway to overcome this problem. I dont want to put unnecessary load on pages which do not have sensitive data by using https.
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Jul 12, 2010
I developed a simple application running in IIS 6 under an http protocol. for the security purposes our company provide a certificate unfortunately my application is not functioning in https. i can still access it in http...
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Jul 16, 2010
I'm pretty new at configuring IIS and working with SSL. I've been having difficulty with switching from the HTTPs protocol to the HTTP protocol. I had set a small part of our website to the HTTPS protocol since it has an SSL certificate for online commmerce.
When users go through that part of the site the HTPPS protocol is set and runs fine, but when they try to leave by, say, clicking on a link to another part of the site (after they have visited the secured portion of the site) the HTTPS stays in the url. Is there something I'm doing wrong?
This is how the HTTPS is set on the site: this code is placed in an sslredirect.asp page located in a "SSL" folder:
<%
Response.Buffer = True
If (Request.ServerVariables("HTTPS") = "off") Then
sQ = Request.ServerVariables("QUERY_STRING")
sURL = "https" & Right(sQ, (Len(sQ)-8))
sURL = Replace(sURL, ":80", "")
Response.redirect(sURL)
End if
%>
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Jul 17, 2010
first i want to know most of the e-mail like gmail,yahoo,hotmail etc.. they are all uing https when we comes to login area.. why there are using on that time only https...i also need to implement same in my web application...
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May 10, 2010
Okay, so I have a site which I'd like to use my SSL certificate for always. So I want all users to be forced to the https version of any url they are directed to.I used this code in my global.asax file:
[Code]....
I've also tried it in the 'Application_BeginRequest' function also. Basically, I have two directories that are secured via Windows Authentication against my domain. if you browsed to the directory (ex. http://www.domain.com/secure) it tries first to authenticate
then redirect to https://www.domain.com/secure. In this case it will ask for credentials twice one right after the other. Is their a way I can have the user redirected before Windows Authentication kicks in?
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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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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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Nov 9, 2010
I have a zealous network administrator who insists that we must use https on an intranet web application in order to safeguard user's credentials. The app is an asp.net web app that uses Windows Authentication to automatically identify users and log them in. There is no login dialog and user's never enter their login or password. The application does not process any confidential data, and the only rationale for requiring https is to "safeguard" users credentials. Additionally he stated that ntlm can be easily hacked.I responded with some information from an MS white paper on Windows Authentication that said it was the recommended way of authenticating users, and that user's credentials were safe because their passwords are not transmitted across the network when the application authenticates them since it sends a hash of the password.
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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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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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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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Aug 26, 2010
what is doffrence between http://domain.com & http://www.domain.com where domain is the same name in both of this.e.g. http://mycompany.com & http://www.mycompany.comi
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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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Jun 16, 2010
For some reason my users are logged out of the system every 10-15 minutes or so...regardless of the configuration below....am I missing something?
[code]....
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Oct 31, 2010
Without reading the whole text below, since this is on the ASP.Net side ... basically I think I need to know if there is a way to reduce the size of the forms authentication cookie. When using a DotNet 2.0 website, the ASPXAUTH cookie is about 232 bytes ... when using the same source code but upgraded to DotNet 4.0. the cookie is approximately 264 bytes, setting the ticketCompatabilityMode does not reduce the size since I think the default setting is Framework20. I length of the cookie, including the its' name can not be larger than 256 bytes in order to use it with the "Client Application Services".
I only did a cursory search of the asp.net forums, but will dilligently look for an existing solution.
----- BACKGROUND AND RESEARCH -----
I have been using all three features of client application services (authentication, profiles, and roles) in my windows app (DotNet 3.5 framework) for almost two years now. Up until now, I have not had any problems. This week I hit a brick wall and am pretty stumped with two seperate but related issues.
Issues:
In development, we decided to upgrade our websites/services to DotNet 4.0. All applications upgraded successfully. However we are unable to log into our application using Client Application services. No matter what user we use, Membership.ValidateUser returns false. Since we know the username and passwords, we thought this was strange. When debugging the application, we found that Membership.ValidateUser was throwing an InvalidOperationException (see below for complete exception) stating that the ASPXAUTH property was too long, longer that the schema created in the SQL/CE database. (See below for things tried).
In production .. A user all of the sudden could no longer gain access to the application. Upon inspection, his ASPXAUTH cookie was 264 characters long (9 characters longer than the schemas nvarchar(256)). Even though the user was being authenticated on the "server side", and the JSON query returned "{"d":true}", Membership.ValidateUser returned false. Again, as in the case above, the actual error was ...
Message=@PropValue : String truncation: max=256, len=264 ...
I am assuming I am missing something very simple or that I overlooked a settings. In development, this is not a huge issue as I can release the Dotnet 4.0 websites when I am ready. But now that this has happened to a client on a production system, it is very worrisome.
[code]....
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Aug 26, 2010
authentication cookie persistance to true on a aspx website,this works great.now I have made an affiliate website (HTML + iframe (same aspx)) and it does not keep my user logged in after closing browser.
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Jul 15, 2010
i redirect a page from http to https using http module begin request handler .i am calling webservice using ajax but it is saying webserice not defined .which otherwise works fineits work fine when rediect page in page_load instead .but i need to add function for https to http in every page. i still not know why ajax is not working when i use http module for redirect
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Feb 18, 2011
My requirement is multiple domains (not subdomains) share cookie of form authentication
how to implement same?
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