Does the ASP.NET_Sessio_Fallback cookie need consent?

Usually yes. ASP.NET_Sessio_Fallback is a functional cookie, and unless it is strictly necessary for a feature the visitor asked for, it needs consent before it is set.

How long does the ASP.NET_Sessio_Fallback cookie last?

ASP.NET_Sessio_Fallback usually lasts until the browser closes. The exact lifetime depends on the site's settings and the version of the script that sets it.

Who sets the ASP.NET_Sessio_Fallback cookie?

ASP.NET_Sessio_Fallback is set by Microsoft. It is in the Functional category.

How do I block or delete the ASP.NET_Sessio_Fallback cookie?

Visitors can delete ASP.NET_Sessio_Fallback in their browser's cookie settings. On your own website, a consent banner can keep the script that sets it waiting until the visitor accepts functional cookies. Kukie.io's banner does this for known trackers by default, and for any other script you tag with its category.

Functional

ASP.NET_Sessio_Fallback cookie

Set by Microsoft.

What it does

Fallback session cookie to support older browsers that haven't implemented the Secure flag, in modern evergreen browsers this cookie is never set as it haven't got the Secure flag.

Cookie name: ASP.NET_Sessio_Fallback
Category: Functional
Provider: Microsoft
Duration: Session
Data source: Open Cookie Database (opens in a new tab)

Consent

Usually needed

ASP.NET_Sessio_Fallback is in the Functional category. Functional cookies usually need the visitor's consent, unless the cookie is strictly necessary for something the visitor asked for, such as remembering a language they just chose.

GDPR and ePrivacy (EU): Consent is needed before setting ASP.NET_Sessio_Fallback, unless it is strictly necessary for a feature the visitor asked for, such as remembering a language they just chose.
UK GDPR and PECR: The same as in the EU: consent first, unless the cookie qualifies for the strictly necessary exemption.
CCPA and CPRA (California): Disclose ASP.NET_Sessio_Fallback in your privacy policy. If the data it stores is shared with third parties, honour opt-out requests, including the Global Privacy Control signal.

Managing ASP.NET_Sessio_Fallback with a consent banner

A consent banner can keep the script that sets ASP.NET_Sessio_Fallback waiting until the visitor accepts functional cookies. Kukie.io's cookie scanner finds ASP.NET_Sessio_Fallback and sorts it into a category. The banner holds back known trackers by default, and any other script you tag with its category waits too.

Learn more about script blocking

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