초록 ▼

A remote operation system is disclosed which is used with a network environment in which a unit that provides remote operation services through networks and a unit that receives the services are each safeguarded by a firewall (or "each equipped with a firewall for") from an external network. The rem

A remote operation system is disclosed which is used with a network environment in which a unit that provides remote operation services through networks and a unit that receives the services are each safeguarded by a firewall (or "each equipped with a firewall for") from an external network. The remote operation service receiving unit sets up a connection A with the firewall installed on the remote operation service providing unit side and transmits security check information to that firewall. The firewall checks this security check information and then sets up a connection B with the remote operation service providing unit via its associated internal network when it is determined that the security check information has been sent from a contract user unit. Thereby, information used for remote operation can be transmitted between the two units over a logical path composed of the connections A and B.

대표청구항 ▼

1. A remote operation service system in which first and second internal networks are connected to an external network by first and second firewalls which are respectively installed in said first and second networks, and a servicing unit connected to said second internal network provides remote opera

1. A remote operation service system in which first and second internal networks are connected to an external network by first and second firewalls which are respectively installed in said first and second networks, and a servicing unit connected to said second internal network provides remote operation services to a serviced unit connected to said first internal network,said serviced unit including: means for setting up a first connection with said second firewall installed for said second internal network via said first internal network and said first firewall installed for said first internal network; and means for transmitting packets containing data for a remote operation to or from said servicing unit over said first connection, said second firewall including: means for, after checking whether or not the received packets being the packets transmitted from the said serviced unit belonging to a contract user, and after said first connection has been set up with said serviced unit, setting up a second connection with said servicing unit via said second internal network; and means for relaying packets between said serviced unit and said servicing unit using said first and second connections, and said servicing unit including: means for providing remote operation services to said serviced unit by transmitting packets to or from said serviced unit via said second firewall and said second connection.