| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent a printer from being used by an unapproved access from the outside of a network. <P>SOLUTION: The printer having the function of a print server for processing print information from a plurality of hosts comprises a means for managing the node address in the network, a means for detecting a transmission source by analyzing a packet of print information, and a means for canceling print information by external access of the network. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
