How do I calculate my token size?

How do I calculate my token size?

Token Size = 1200 + 40d + 8s This formula uses the following values: d: The number of domain local groups a user is a member of plus the number of universal groups outside the user’s account domain that the user is a member of plus the number of groups represented in security ID (SID) history.

What is Max token size?

The maximum allowed value of MaxTokenSize is 65535 bytes. However, because of HTTP’s base64 encoding of authentication context tokens, we do not recommend that you set the maxTokenSize registry entry to a value larger than 48000 bytes.

How do I verify a Kerberos token?

How do you authenticate with Kerberos?

1. Client requests an authentication ticket (TGT) from the Key Distribution Center (KDC)
2. The KDC verifies the credentials and sends back an encrypted TGT and session key.
3. The TGT is encrypted using the Ticket Granting Service (TGS) secret key.

What is token size?

This option is used to report on the size of the access token of the selected security principals in the specified domain or OU. It shows an estimate of the number of SIDs that will be added to a user’s or computer’s access token when they authenticate against the domain, based on the TokenGroup attribute.

How do I know if Kerberos authentication is working?

You can view the list of active Kerberos tickets to see if there is one for the service of interest, e.g. by running klist.exe. There’s also a way to log Kerberos events if you hack the registry. You should really be auditing logon events, whether the computer is a server or workstation.

How big is a Tarrasque token?

properly Gargantuan at 11×25 inches (squares) and in 3 types, Standard, Skeletal/Undead version and Skeleton Corpse.

What does token bloat mean in Active Directory?

Token Bloat is one of the major problems faced by IT administrators, which occurs when a single user is a member of too many groups in Active Directory. In a large organization there is an ocean of Active Directory resource like users, groups, computers etc.

Is there a way to prevent token bloat?

The only way to prevent token bloat is to reduce the number of group membership for users.

What does it mean to have Kerberos token bloat?

The short of it is that Kerberos Token Bloat is an issue that can result in users being denied access to corporate systems (i.e. a Windows logon) simply by virtue of the fact that they belong to a large (enough) number of Active Directory security groups.

When do I have too many tokens in Active Directory?

Token Bloat occurs when a single user is a member of too many groups in Active Directory. The default number for maximum SIDs your Active Directory access token can contain is 1024. In previous article I described how to get total number of group membership ( Link ).