Computer software to be used in conjunction with fire wall software to protect the open ports left unblocked by the firewall, such as web or e-mail server ports. The software examines information passing through the firewall's open ports to ensure its authenticity.

'authent':45 'comput':1 'conjunct':7 'e':27 'e-mail':26 'ensur':43 'examin':33 'fire':9 'firewal':21,38 'inform':34 'left':17 'mail':28 'open':15,40 'pass':35 'port':16,30,41 'protect':13 'server':29 'softwar':2,11,32 'unblock':18 'use':5 'wall':10 'web':24

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