Firefox Community Forum

Our backend sets a cookie for maintaining login sessions with SameSite=None and Secure (to support loading our front-end from localhost for developers and from a third party domain for PR previews).

This is the respose header:

set-cookie: ESESSIONID=<redacted>; Secure; HttpOnly; Path=/; SameSite=None; Max-Age=86399

However, Firefox does not send the cookie back with requests, but logs this error in the console:

Cookie “ESESSIONID” has been rejected because it is in a cross-site context and its “SameSite” is “Lax” or “Strict”.

We have worked around the issue by configuring exceptions in the Security & Privacy settings, but I am curious to why Firefox rejects the cookie with this error message.

I'm having problems with a website constantly asking me to accept cookie permissions. It happens on some other sites occasionally, but this particular site is one that I use each day.

When I visit the site I get the cookie permissions box. I click accept all cookies. No matter how many links I click I am presented with the box yet again. It doesn't happen with Chrome, Edge or Brave.

I cannot chat on https://www.elegantthemes.com, their site says that firefox is blocking their app. I set this site in privacy exceptions, still blocking. screen shot of their message included

Server Error in '/Ror' Application. The file '/Ror/Default.aspx' has not been pre-compiled, and cannot be requested. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Web.HttpException: The file '/Ror/Default.aspx' has not been pre-compiled, and cannot be requested.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[HttpException (0x80004005): The file '/Ror/Default.aspx' has not been pre-compiled, and cannot be requested.]

  System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile, Boolean throwIfNotFound, Boolean ensureIsUpToDate) +9870802
  System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile, Boolean throwIfNotFound, Boolean ensureIsUpToDate) +103
  System.Web.Compilation.BuildManager.GetVirtualPathObjectFactory(VirtualPath virtualPath, HttpContext context, Boolean allowCrossApp, Boolean throwIfNotFound) +165
  System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp) +43
  System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +31
  System.Web.UI.PageHandlerFactory.GetHandler(HttpContext context, String requestType, String virtualPath, String path) +37
  System.Web.MaterializeHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +339
  System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +48
  System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +159

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3930.0

(please refer to image attached)

How come when I have only cookies/offline website data checked to clear it still logs me out of websites like Twitter, Twitch, Youtube, etc?

Active logins and Site settings is UNchecked and yet it still logs me out. What is the purpose of those 2 boxes I may be misunderstanding them

I cannot open kp.org on my Mac Mini, so I always have to open Safari just for that one site. How do I get rid of the cookies or whatever the problem is?

I get this message trying to sign into a new to me banking site. Wondering if this is something I have to address or is it on the banking site to fix???

We are unable to complete your request.

To log in, you may need to set your Internet browser to accept cookies or go to our website to begin the login process. Please contact us if you need further assistance.

I cannot use google.com without first deleting my cookies. This happens every time I try to use google. Doesn't matter if I use the taskbar to search, or try to go to www.google.com

I am unable to access an item in my bank account. It reads to check cookie settings. (Third party cookies, cookie tracking, cross site tracking". I do not know how to fix this. It had not happened before. I am using both Yahoo and Google. What do I need to do

Under privacy and security I'm able to remove cookies, but capital one shopping & their third party cookies reinstall themselves automatically. I am paying off my Capital One credit card and cancelling it, so I will be uninstalling their app on my cell phone. I've only visited their site once on my Linux PC, have never installed their app on it and I don't appreciate them tracking me here. Maybe Google linked my PC with my Pixel phone, I'll them a call also after paying off the CapitalOne card. Thanks, Claude Hansford Cochran

No I don't have "delete cookies when Firefox is closed" enabled.

I had two power outages in a row and ever since then every time i close Firefox it removes every single login I had saved even though it keeps the 3GB of cookie data still. I have to copy over an old backup that I luckily had in the Firefox files thanks to Firefox itself creating a backup. Still every single time I close this god forsaken browser I get logged out of every single thing. What am I supposed to do leave my PC running 24/7 without ever closing a browser? Every other basic solution that you can instantly find upon googling something similar to the topic title I already tried so don't bother writing it here, such as "uncheck the delete cookies box" well that doesn't do anything when its unchecked but still deletes everything does it. Bug fix?

I've been trying to access a website that I used to visit without any issues, but it seems like it was recently updated. Now, when I try to open it, the page loads briefly and then turns completely blank. I've already tried clearing cookies and history for this site, but it didn't help. Interestingly, the site does work when I open it in a private window or on a different browser.

What can I do about it?