What the .AspNetCore.Antiforgery. cookie does
Anti-forgery cookie is a security mechanism to defend against cross-site request forgery (CSRF) attacks.
The name ends in a part that changes from visitor to visitor or site to site, so this entry covers every cookie whose name starts with .AspNetCore.Antiforgery..
Who sets it
Consent category: strictly necessary
Strictly necessary cookies keep a site working: sessions, security, load balancing and remembering the visitor's consent choice. They are exempt from consent under the ePrivacy rules, but a cookie policy still has to list them.
| Name | .AspNetCore.Antiforgery. |
|---|---|
| Category | Strictly necessary |
| Lifetime | Session |
| Set by | Microsoft |
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From the Conzent cookie database, last updated 2026-09-27. Descriptions come from vendor documentation, cookie policies and our own scans; write to support@getconzent.com to correct one.