Set SameSite=None flag for Nginx reverse proxy Single Sign-On (SSO) session status check and refresh remote Javascript calls.SAML single logout endpoint can be HTTP POST.We highly recommend testing all your integrations.Īdditional special cases that will be affected by the new default value if they are not within same top-level domain: When the new default value Lax for SameSite cookie flag is implemented in browsers, it will prevent sending cookies with the unsafe HTTP methods (e.g. Does the SameSite Cookie changes affect my environment? We recommend that you use this list to build a robust solution for adding the cookie flag to all except the listed incompatible clients. As of now there are incompatibility issues with some browser vendors. As appropriate we will make updates to our software to manage the SameSite attribute. We are continuously monitoring the development from other browsers. When using SameSite=None it is required that the “Secure” flag is also set for the cookie. This will add required attribute to all cookies that are accessing your service(s) and require to communicate between different top-level domains. NOTE: If you are using load balancer cookies for sticky sessions these cookies will be affected as well.Īn example on how to update your proxy to set SameSite=None for Chrome version 80 is available below. For example in SAML Assertion methods when the SAML response from IDP is sent back using HTTP POST. You can expect to see this issue with HTTP POST requests between domains.
If there are applications or services that are communicating between different top-level domains you need to take the following actions to ensure that those continue to operate as before. In order to mitigate these issues, we have tested and verified a workaround to make sure that services continue to work as before until other browser vendors follow same behaviour.
These cross site cookies will also require that your services are running on HTTPS in order to work. The introduced changes will treat any cookie that doesn’t have a value set for SameSite to default SameSite=Lax, instead of the previous default SameSite=None. Updates related to release can be found from here SameSite=Lax. On the week of 17th of February 2020 Google releases Google Chrome version 80 which is changing the default behaviour of cookies that are used in cross-domain use cases. Up to now, browsers allow any cookie that doesn’t have this attribute set to be forwarded with the cross-domain requests as default. There are different attributes that cookies can have, one of which is SameSite that was introduced to control which cookie can be sent together with cross-domain requests. Cookies are used by websites for example to persist states, add information or track usage.
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