Forced Vision Shutdowns

When you sign on with your Smartcard, connection to the national services is timed to last a maximum of 10 hours. Just before this period expires, you are warned, and after this period, you are logged out. This is an Spine Security Broker (SSB) setting which cannot be changed by Vision.

Successful SSO login with the Smartcard and PIN creates a "token", lodged with SSB. It may be initiated by a Vision access but is not associated with a particular Vision session. The SSB client controls the validity and persistence of the SSO token.

There are circumstances under which the SSB client automatically invalidates and destroys the SSO token. At the same time the SSB instructs Vision to terminate with immediate effect. Examples of where such a forced shutdown is effected are:

• Token invalidated - The message reads: Vision is shutting down. VISION WAS UNABLE TO VALIDATE YOUR SESSION.

• Revocation of user rights
• Session timeouts (when exceeding maximum duration, currently 10 hours though this may change) (see above)
• The Spine ceases to function

On receipt of a shutdown instruction from the SSB, Vision initiates an irrevocable shutdown sequence.