Patent ID: 6980989

Claim:
For use with an internal transaction area and an internal application running in the internal transaction area on a host computer connected to a network, for use with an external security manager configured to receive and authenticate a first plurality of pairs of usernames and passwords to permit or deny access to the internal transaction area, and for use with a first plurality of end-user computers communicatively linked to the host computer via the network, the end-user computers each having at least one of a first plurality of network protocol addresses and a requester application, a transaction access control system comprising: a requester database configured to contain for each of the first plurality of network protocol addresses of the first plurality of end-user computers, an associated one of the first plurality of pairs of usernames and passwords; a controller configured to receive the first plurality of network protocol addresses sent from the first plurality of the end-user computers via the network and received by the host computer; and a validator configured to retrieve from the requester database each of the first plurality of username and password pairs associated with each of the first plurality of network protocol addresses based upon at least each of the first plurality of network protocol addresses, the controller being configured to transmit each of the retrieved username and password pairs to be authenticated by the external security manager to permit access to the internal transaction area to each of the requester applications of the end-user computers having the first plurality of network protocol addresses which are associated with the retrieved username and password pairs.