Dynatrace web UI cookies

  • Dynatrace Classic
  • Reference
  • Published Apr 02, 2026

The following tables list the cookies used in Dynatrace web UI. Due to self-monitoring, RUM cookies are also added. All listed cookies are first-party cookies.

Dynatrace web UI cookies

The table below contains cookies placed in the Dynatrace web UI for single sign-on (SSO). Depending on the infrastructure provider used, Dynatrace might place additional cookies, for example, AWSALB and AWSALBCORS.

CookieExpiresPurpose

b925d32c

Session

Indicates if a user is logged in or not.

ssoCSRFCookie

Session

Serves as cross-site request forgery (CSRF) protection when moving between servlets in SSO.

p23mn32t

5 years

Contains a unique Base32 identifier that indicates to SSO that a user is logging in from a new device. The identifier is created based on the user login, browser, and user agent.

l34kn6no

Session

Stores the OpenID state when SSO acts as a relying party, for example, for signing in with Microsoft using OpenID.

iu2g34bw

Session

Stores the OpenID code_verifier when SSO acts as a relying party, for example, for signing in with Microsoft using OpenID.

a69k21bb

Session

Stores redirect_uri upon successful sign-in when SSO acts as a relying party, for example, for signing in with Microsoft using OpenID.

cgq80xhu

Session

Contains an SHA-256 hash of a random UUID. When a user signs in via OpenID, this cookie is used to track the session state via the SSO OpenID iFrame and perform frontend logout if necessary.

72ddbc27

3 months

Added when a user selects the Remember me option to store their credentials. Thanks to this option, the user doesn't have to provide their credentials again when the session expires, and the user is logged in automatically.

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5 minutes

Prevents the user from becoming stuck following a failed federated login if the user selected the Remember me option to store their credentials. If the user is signed in, this cookie is deleted.

Dynatrace web server cookies

CookieExpiresPurpose

SRV

1 hour

Load balancer (HA Proxy) session stickiness.

apmsessionid

Session

Web server session cookie.