CN108632051B - Image forming apparatus and system - Google Patents
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- CN108632051B CN108632051B CN201710154274.XA CN201710154274A CN108632051B CN 108632051 B CN108632051 B CN 108632051B CN 201710154274 A CN201710154274 A CN 201710154274A CN 108632051 B CN108632051 B CN 108632051B
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- 238000012806 monitoring device Methods 0.000 claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims description 22
- 230000004044 response Effects 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 17
- 238000012790 confirmation Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000003384 imaging method Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- NUHSROFQTUXZQQ-UHFFFAOYSA-N isopentenyl diphosphate Chemical compound CC(=C)CCO[P@](O)(=O)OP(O)(O)=O NUHSROFQTUXZQQ-UHFFFAOYSA-N 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/02—Standardisation; Integration
- H04L41/0246—Exchanging or transporting network management information using the Internet; Embedding network management web servers in network elements; Web-services-based protocols
- H04L41/026—Exchanging or transporting network management information using the Internet; Embedding network management web servers in network elements; Web-services-based protocols using e-messaging for transporting management information, e.g. email, instant messaging or chat
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/02—Standardisation; Integration
- H04L41/0246—Exchanging or transporting network management information using the Internet; Embedding network management web servers in network elements; Web-services-based protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0209—Architectural arrangements, e.g. perimeter networks or demilitarized zones
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Abstract
The invention belongs to the technical field of image formation, and aims to solve the technical problem that a user cannot know in time when an image forming device is connected to a specific network; the present invention provides an image forming apparatus provided with a network port, characterized in that the image forming apparatus further includes a network monitoring device including: a data acquirer configured to be connected to the network port and output network data of the network port; a data parser connected to the data acquirer and configured to be able to parse whether or not the network data transmitted in the data acquirer has information characterizing that the image forming apparatus is connected to a specific network; and the warning information transmitter is used for transmitting warning information to a user of the image forming device when the data analyzer analyzes that the information representing that the image forming device is connected to a specific network is received.
Description
[ field of technology ]
The present invention relates to the technical field of image formation, and more particularly, to an image forming apparatus and system capable of transmitting an alert message when the image forming apparatus is connected to a specific network.
[ background Art ]
As a computer peripheral device, an image forming apparatus (english name, image forming apparatus) has become popular in offices and households with the development of imaging technology, which takes advantage of the advantages of high speed, low cost of single-page imaging, and the like. Image forming apparatuses include printers, copiers, multifunctional integrated machines, and the like according to differences in functions, and include laser printers, inkjet printers, needle printers, and the like according to differences in image forming principles.
With the popularization of internet technology, in order to make it more convenient for users to use an image forming apparatus, an image forming apparatus with a network function is also becoming popular, that is, the image forming apparatus needs to configure a network interface, the following two ways are provided in the prior art: one is that the image forming device is provided with a network server, the network server is provided with a network interface, and only a network cable is inserted to distribute an IP address; the other is that the image forming apparatus uses an external web server, the image forming apparatus is connected to the web server through a parallel port or a USB port, and the web server is connected to a network.
The image forming apparatus with network function generally has management and monitoring software by which the configuration parameters of the image forming apparatus can be set by remotely viewing and intervening in the job tasks of the image forming apparatus, and most of the network print management software is Web-based by which a user can view information such as the print tasks, the job status of the printer, and the like. Therefore, the image forming apparatus with the network function is very simple and quick to operate.
Although the management and monitoring software for the image forming apparatus in the prior art can well manage and view the operation of the image forming apparatus, how to ensure the security of the transfer file in the image forming apparatus is always a problem that needs to be solved by a person skilled in the art, especially when the image forming apparatus in the prior art is connected to a specific network, the user cannot know in time; thus, if an unauthorized user connects to the network-enabled image forming apparatus via a specific network, it is likely that the security of the network-enabled image forming apparatus is compromised without the user's knowledge.
[ invention ]
In order to solve the technical problem that a user cannot know in time when the image forming device is connected to a specific network in the prior art; the present invention provides an image forming apparatus and system capable of transmitting an alert message to a user when the image forming apparatus is connected to a specific network.
In order to achieve the above object, the present invention provides a technical solution comprising:
in one aspect, there is provided an image forming apparatus provided with a network port, and capable of accessing a specific network through a network server, characterized in that,
the image forming apparatus further includes a network monitoring device including:
a data acquirer configured to be connected to the network port and output network data of the network port;
a data parser connected to the data acquirer and configured to be able to parse whether or not the network data transmitted in the data acquirer has information characterizing that the image forming apparatus is connected to a specific network;
and a warning information transmitter connected with the data analyzer and configured to transmit warning information to a user of the image forming apparatus when the data analyzer receives the information indicating that the image forming apparatus is connected to a specific network.
In an embodiment of the present invention, the means for analyzing, by the data analyzer, whether the network data transmitted in the data acquirer has information indicating that the image forming apparatus is connected to a specific network includes: the network monitoring device transmits information of an access request to the network server, and then outputs information of whether the image forming apparatus is connected to a specific network according to content of the access request response and/or whether the response is received within a predetermined time.
Preferably, the content of the access request response includes determining whether the network data transmitted by the network port includes information indicating that the image forming apparatus is connected to a specified network address, and when the network data includes information indicating that the image forming apparatus is connected to the specified network address, outputting information for determining that the image forming apparatus is connected to a specific network.
Preferably, the warning information includes at least one of mail notification, sound alarm, short message notification and pop-up dialog box prompt mode on a display of the image forming device.
Preferably, the network monitoring device further includes a timer, when the timer starts to count after the warning information sent by the warning information sender, and the warning information sender sends information for automatically disconnecting the network communication switch of the network port in the image forming device when the signal for allowing the image forming device to connect to the specific network is not received within a predetermined time.
Preferably, the data analyzer further analyzes the job data transmitted by the network port, and analyzes whether the job data contains a predetermined keyword, if yes, the warning information transmitter transmits information for automatically disconnecting a network communication switch of the network port in the image forming device when the network data transmitted by the data acquirer is analyzed to have information representing that the image forming device is connected to a specific network.
In the embodiment of the present invention, preferably, after the warning information sent by the warning information sender, the warning information sender sends information for prohibiting firmware upgrade of the image forming apparatus in a case that a user confirmation for allowing the image forming apparatus to connect to a specific network is not received.
Preferably, after the warning information is sent by the warning information sender, the warning information sender sends information for cutting off the intranet connection or prompting a user to cut off the intranet connection.
In another aspect, the present invention also provides an image forming apparatus provided with a network port and capable of accessing a specific network through a network server, characterized in that the image forming apparatus further includes a controller for monitoring whether the image forming apparatus is connected to the specific network, the controller being configured to perform the steps of:
acquiring network data of a network port in the image forming device;
analyzing whether the network data has information representing that the image forming device is connected to a specific network;
and when the information representing that the image forming device is connected to the specific network is analyzed, sending warning information to a user of the image forming device.
In an embodiment of the present invention, the method for analyzing whether the network data includes information indicating that the image forming apparatus is connected to a specific network includes: an access request is transmitted, and then information of whether the image forming apparatus is connected to a specific network is outputted according to the content of the access request response and/or whether the response is received within a predetermined time.
Preferably, the content of the access request response includes determining whether the network data transmitted by the network port includes information indicating that the image forming apparatus is connected to a specified network address, and when the network data includes information indicating that the image forming apparatus is connected to the specified network address, outputting information for determining that the image forming apparatus is connected to a specific network.
Preferably, the warning information includes at least one of mail notification, sound alarm, short message notification and pop-up dialog box prompt mode on a display of the image forming device.
In an embodiment of the present invention, the monitoring step performed by the controller further includes: and after the sent warning information is sent, automatically switching off a network communication switch of a network port in the image forming device when a signal for allowing the image forming device to be connected to a specific network is not received by a user within a preset time.
Preferably, the controller further analyzes the job data transmitted by the network port when executing analysis of whether the network data has information representing that the image forming device is connected to a specific network, and analyzes whether the job data contains a predetermined keyword, if so, automatically turns off a network communication switch of the network port in the image forming device when analyzing that the network data has information representing that the image forming device is connected to the specific network.
In the embodiment of the present invention, preferably, after the controller performs sending of the warning information, the firmware upgrade of the image forming apparatus is prohibited in a case where the user confirmation to allow the image forming apparatus to connect to the specific network is not received.
In the embodiment of the present invention, preferably, after the controller executes sending of the warning information, the controller cuts off the intranet connection of the image forming apparatus or prompts a user to cut off the intranet connection of the image forming apparatus.
In a third aspect, the present invention also provides an image forming system, characterized in that the system includes:
any one of the above image forming apparatuses, a network port provided in the image forming apparatus, and a network server capable of letting the image forming apparatus access a specific network.
By adopting the technical scheme provided by the invention, at least one of the following beneficial effects can be obtained:
1. for an image forming apparatus with a network function, when the image forming apparatus is connected to a specific network, the information is presented to a user; the user can know the state of the image forming device in time conveniently, so that when the user does not need to connect the image forming device with a specific network, the network communication switch of the network port of the image forming device can be closed in time, and unnecessary potential safety hazards are avoided.
2. By judging whether or not the network data transmitted by the network port contains information indicating that the image forming apparatus is connected to the specified network address, it is possible to realize judgment of whether or not the image forming apparatus is connected to the specified network very accurately and quickly.
3. When the signal for allowing the image forming apparatus to connect to the specific network is not received within a predetermined period of time after the warning information is transmitted by the warning information transmitter, it can be estimated that the image forming apparatus is likely to be accessed by an illegal user in this case, and the network communication switch of the network port in the image forming apparatus is directly and automatically turned off; information leakage of the image forming apparatus can be avoided.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure and/or process particularly pointed out in the written description and claims hereof as well as the appended drawings.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of an image forming system according to a first embodiment of the present invention;
fig. 2 is a block diagram showing a configuration of a network monitoring device for an image forming apparatus according to a first embodiment of the present invention;
fig. 3 is a flowchart of a network monitoring method for an image forming apparatus according to a first embodiment of the present invention;
fig. 4 is a block diagram of an image forming system according to a second embodiment of the present invention;
fig. 5 is a block diagram showing a configuration of a network monitoring device for an image forming apparatus according to a second embodiment of the present invention;
fig. 6 is a flowchart of a network monitoring method for an image forming apparatus according to a second embodiment of the present invention.
[ detailed description ] of the invention
The following will describe embodiments of the present invention in detail with reference to the drawings and examples, thereby solving the technical problems by applying technical means to the present invention, and realizing the technical effects can be fully understood and implemented accordingly. It should be noted that these specific descriptions are only for easy and clear understanding of the present invention by those skilled in the art, and are not meant to be limiting; and the respective embodiments of the present invention and the respective features in the respective embodiments may be combined with each other as long as no conflict is made, for example, in some embodiments the web server is provided inside the image forming apparatus, but the web server is provided outside the image forming apparatus as well as replaced into these embodiments; while some embodiments notify the user by mail, other embodiments may also apply to the embodiments by sms or voice warning light; the technical scheme formed by combining the features in the different embodiments is within the protection scope of the invention.
Example 1
As shown in fig. 1, the present embodiment provides an image forming system including: an image forming apparatus 100, a computer 200 connected to the image forming apparatus 100, a web server 300 connected to the image forming apparatus 100, and a mail server connected to the web server 300.
An image forming apparatus 100 having a paper cassette provided therein for accommodating sheets of various sizes (e.g., A4, B5, letter), types (e.g., plain paper, photo paper, coated paper); the imaging unit is used for forming an image on paper and can be any one of a laser imaging principle, an ink-jet imaging principle and a needle imaging principle; a network port for receiving job data to be imaged and transmitting the job data to the imaging unit, the network printing protocol supporting but not limited to at least one of RAW, LPD/LPR, IPP, WSD. And the image forming apparatus 100 may further be configured to selectively configure one or more of the following units/modules:
a USB interface connected to the external computer 200 and/or the web server 300;
a Wi-Fi interface, which can be connected to an external computer 200 and/or a web server 300;
a scanning unit for receiving a document placed thereon by a user, generating an electronic document scanning piece, and transmitting the electronic document scanning piece to the imaging unit and/or an external computer/document storage server;
the fax unit is used for transmitting the document scanned into the unit or the external computer/document storage server to other external fax equipment, and can also receive the fax document by the other external fax equipment, transmit the fax document to the imaging unit and print the fax document;
a display provided on the housing of the image forming apparatus 100, capable of displaying the current state of the image forming apparatus, and operation keys on the housing of the image forming apparatus 100 can cooperate with the display to provide the user with a number of options and menus for setting the image forming apparatus.
The computer 200 can transmit job data to the image forming apparatus 100 through the network port, and when the image forming apparatus 100 has a USB interface and a Wi-Fi interface, the computer 200 can also transmit job data to the image forming apparatus 100 through the USB interface and/or the Wi-Fi interface;
and a web server 300 configured to enable the image forming apparatus 100 to connect to an external network, the network monitoring module of the image forming apparatus 100 transmitting a request for accessing a specific network to the web server 300 through a network port, the web server 300 accessing a specified web site in response to the request, wherein the access procedure of the web server complies with the internationally standardized network protocol.
A mail server 400 for transmitting the networking information to a mailbox address previously set in the image forming apparatus 100 or the computer 200 by a user through the mail server 400 when the image forming apparatus 100 is connected to a specific network; it should be noted that, the above information sent through the mailbox may be replaced by an audio alarm or a short message notification or a dialog box popped up on the display of the image forming apparatus 100, or may be combined in a plurality of prompting manners; and the specific network in the present embodiment preferably refers to an external network, that is, refers to a network system such as a wide area network; of course, the user can set the specific application scenario of the specific network according to the requirement of the user.
As shown in fig. 2, the present embodiment provides a network monitoring apparatus 1200 provided in an image forming device, the network monitoring apparatus 1200 including:
a data parser 1220 connected to the data acquirer 1210 and configured to parse whether the network data transmitted in the data acquirer 1210 has information characterizing connection of the image forming apparatus 100 to a specific network;
the warning information transmitter 1230 is connected to the data parser 1220 and configured to transmit warning information to a user of the image forming apparatus 100 when the data parser 1220 parses that there is information characterizing that the image forming apparatus 100 is connected to a specific network.
As a preferable solution of the present embodiment, the network monitoring apparatus 1200 is implemented by an SOC (System on chip) in the image forming device; of course, there may be a separate network monitoring chip that can communicate with each other with the SOC and a network port (network card) in the image forming apparatus; or part of the functions/devices/units/modules are completed by the SOC, and part of the functions/units/modules are completed by an independent network chip outside the SOC.
In this embodiment, preferably, the manner in which the data parser 1220 parses whether the network data transmitted in the data acquirer has information indicating that the image forming apparatus is connected to a specific network includes: the network monitoring device transmits an access request to the web server, and then outputs information of whether the image forming apparatus is connected to a specific network according to the content of the access request response and/or whether the response is received within a predetermined time. Further preferably, the manner in which the data parser 1220 parses whether the network data transmitted in the data acquirer 1210 has information characterizing that the image forming apparatus 100 is connected to a specific network includes: whether or not information indicating that the image forming apparatus is connected to the specified network address is contained in the content of the access request response is judged, and when information indicating that the image forming apparatus is connected to the specified network address is contained, it is judged that the image forming apparatus is connected to the specified network. The specific judging process comprises the following steps: 1. the SOC in the image forming apparatus sends an access request (the requested content has a domain name or address of a counterpart server, for example, when the external server is a server of a portal site), to the network server through a network port (network card), the requested content includes the network address of the portal site; 2. the opposite side server sends a response to the access request; 3. whether the printer is linked to the specific network is judged according to the content of the response and/or the timeout (whether response information fed back by the server is received or not within a preset time length). As an alternative implementation, both the data fetcher and the data parser use a CURL (open source file transfer tool operating in command line mode using URL syntax) function library to complete the retrieval and parsing of data and the return of access state. The opposite side server in the steps can be a server of a portal site, or can be a server of an image forming device user, if the user's own server is placed on a public network (a specific network) like the portal site, the user's own server plays a role of the portal site at the moment; and in the process of mutual interaction between the image forming device and the network server, the interaction between the image forming device and the network server is encrypted, so that the security of the image forming device and the network server is improved. Since only whether the printer can be connected to the specific network is determined, only one website (for example, www.baidu.com) can be accessed to determine whether the printer can be connected to the specific network by successfully connecting the information acquired from the website. In this embodiment, in order to more accurately determine validity tamper resistance of data, the image forming apparatus is set so that the setting capable of accessing the specified website is cured inside the printer, and cannot be modified by the user. Of course, as an alternative solution, the network address may be set by the user itself through an upper application layer connected to the network monitoring device, or may be set by solidifying the network address in a firmware code of the bottom layer of the image forming apparatus.
Preferably, the warning information includes at least one of mail notification, sound alarm, short message notification and pop-up dialog box prompt mode on a display of the image forming device.
In addition, the present embodiment also provides an image forming system including: an image forming apparatus 100, a network port 1100 provided in the image forming apparatus 100, and a network server 300 capable of letting the image forming apparatus 100 access a specific network; and the network monitoring apparatus 1200 provided in this embodiment.
As shown in fig. 3, the present embodiment also provides a network monitoring method for an image forming apparatus, the network monitoring method including:
s310, acquiring network data of a network port;
s320, analyzing whether the network data transmitted in the data acquirer has information representing that the image forming device is connected to a specific network; preferably, the manner of determining whether the network data has information characterizing that the image forming apparatus is connected to a specific network includes: judging whether the network data transmitted by the network port contains information indicating that the image forming device is connected to a specified network address, and judging that the image forming device is connected to a specific network when the information indicating that the image forming device is connected to the specified network address is contained; if yes, executing step S330, otherwise returning to S310, then analyzing the next clock cycle, and continuing to determine whether there is information characterizing that the image forming apparatus is connected to a specific network in the next cycle;
s330, when the data parser parses the information representing that the image forming device is connected to the specific network, warning information is sent to a user of the image forming device.
As a preferred embodiment, the above-described network monitoring method may be performed by a controller provided in the image forming apparatus, which may be the aforementioned SOC or a chip that performs the network monitoring function alone.
And the controller may also include, in performing the determination of whether the transmitted network data has information characterizing that the image forming apparatus is connected to the particular network: an access request is transmitted first, and then information of whether the image forming apparatus is connected to a specific network is output according to the content of the access request response and/or whether the response is received within a predetermined time.
By adopting the technical scheme provided by the embodiment, at least one of the following beneficial effects can be obtained:
1. for an image forming apparatus with a network function, when the image forming apparatus is connected to a specific network, the information is presented to a user; the user can know the state of the image forming device in time conveniently, so that when the user does not need to connect the image forming device with a specific network, the network communication switch of the network port of the image forming device can be closed in time, and unnecessary potential safety hazards are avoided.
2. By judging whether or not the network data transmitted by the network port contains information indicating that the image forming apparatus is connected to the specified network address, it is possible to realize judgment of whether or not the image forming apparatus is connected to the specified network very accurately and quickly.
Example two
The function of 'the reservation time without receiving the user confirmation information and automatically disconnecting the network switch' is added on the basis of the first embodiment, and the method of the network server externally arranged on the image forming device in the first embodiment is replaced by internally arranged; the preferred mail server reminding mode is replaced by a short message reminding mode; other methods, systems, devices, units, devices, elements, etc. that are the same as those in the first embodiment, and can perform the same functions, and are not described in detail in this embodiment.
As shown in fig. 4, an image forming system provided in this embodiment includes: an image forming apparatus 100, a computer 200 connected to the image forming apparatus 100, a web server being directly built in the image forming apparatus 100; and a GSM (global system for mobile communications) chip is provided in the image forming apparatus 100, the GSM chip being mainly used for a function of transmitting a short message; and a short message receiving terminal 500, such as a cellular phone, a pad, etc., connected to the image forming apparatus 100.
As shown in fig. 5, the network monitoring apparatus 1200 for an image forming device according to the present embodiment further includes a timer 1240 in addition to the data acquirer 1210, the data parser 1220, and the warning information transmitter 1230, which are the same as those of the embodiment, and the timer 1240 starts counting time after the warning information transmitted by the warning information transmitter 1230, and the warning information transmitter 1230 transmits a network communication switch for automatically disconnecting a network port in the image forming device when a signal for allowing the user to determine that the image forming device 100 is connected to a specific network is not received for a predetermined period of time.
As shown in fig. 6, the network monitoring method for an image forming apparatus provided by the present embodiment includes, in addition to: s310, acquiring network data of a network port; s320, analyzing whether the network data transmitted in the data acquirer has information representing that the image forming device is connected to a specific network; s330, when the data analyzer analyzes that the information representing that the image forming device is connected to a specific network, warning information is sent to a user of the image forming device; further comprises:
s340, judging whether a signal for allowing the image forming device to be connected to a specific network is received or not within a preset time length; if yes, go to step S350, otherwise, go to step S360;
s350, allowing the image forming device to continue to communicate with the specific network;
s360, automatically opening a network communication switch of a network port in the image forming device.
By adopting the technical scheme provided by the implementation, the following beneficial effects can be further obtained on the basis of the first embodiment:
when the signal for allowing the image forming apparatus to connect to the specific network is not received within a predetermined period of time after the warning information is transmitted by the warning information transmitter, it can be estimated that the image forming apparatus is likely to be subjected to access by an illegal user in this case, and the network communication switch of the network port in the image forming apparatus is directly and automatically turned off; information leakage of the image forming apparatus can be avoided.
Example III
The present embodiment further determines whether there is secret data in the network port based on the first embodiment or the second embodiment, specifically:
the data analyzer provided in this embodiment further analyzes the job data transmitted by the network port, and analyzes whether the job data includes a predetermined keyword, if yes, automatically turns off the network communication switch of the network port in the image forming apparatus when analyzing whether the network data transmitted to the data acquirer has information indicating that the image forming apparatus is connected to a specific network. Accordingly, it is possible to further prevent a sensitive information file including keywords from being transmitted to a specific network. Specifically: if the image forming apparatus provided in this embodiment can be connected to a cloud print server (for example, google cloud print, jingdong cloud print, etc.) through a network port provided thereon, when the network monitoring device parses that the document data transmitted by the image forming apparatus and the cloud print server includes: when key words such as secret, internal special and the like are involved, a network communication switch of a network port in the image forming equipment is automatically disconnected; and as an alternative, if the user who passes the security authentication continues the forced transmission through the driving software of the image forming apparatus, the network monitoring apparatus or the controller reprints the network communication switch.
Example IV
The present embodiment further increases the occurrence of a case of preventing information leakage of the image forming apparatus due to connection to a specific network on the basis of the foregoing three embodiments, specifically:
in this embodiment, preferably, after the warning information transmitted by the warning information transmitter, the warning information transmitter transmits information for prohibiting firmware upgrade of the image forming apparatus in a case where the user confirmation of permitting the image forming apparatus to connect to the specific network is not received. Therefore, an illegal intruder can be avoided, and the image forming apparatus can be remotely operated by malicious manipulation through the network port of the image forming apparatus.
In this embodiment, preferably, after the warning information sent by the warning information sender, the warning information sender sends information for cutting off the intranet connection or prompting the user to cut off the intranet connection; then, the intranet connection of the image forming apparatus may be cut off by a computer or a background management server that manages the image forming apparatus in the lan; therefore, an illegal intruder can be prevented from stealing data in other computers or peripheral devices in the local area network where the image forming apparatus is located by the image forming apparatus.
In the method flow corresponding to the technical side, the controller for executing the network monitoring method prohibits the firmware upgrade of the image forming apparatus when the user confirmation of allowing the image forming apparatus to connect to the specific network is not received after executing the sending of the warning information.
In the method flow corresponding to the technical party, the controller is used for executing the network monitoring method, and after executing the sending of the warning information, the controller cuts off the intranet connection of the image forming device or prompts the user to cut off the intranet connection of the image forming device.
Those of ordinary skill in the art will appreciate that all or a portion of the steps of implementing the various method embodiments described above may be implemented by hardware associated with program instructions. The extent of the foregoing can be stored in a computer readable storage medium. The program, when executed, performs steps including the method embodiments described above; and the aforementioned storage medium includes: ROM, RAM, magnetic or optical disks, etc. that can store the program code.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any person skilled in the art will make many possible variations and simple alternatives to the technical solution of the invention without departing from the scope of the invention and the technical content, which are all within the scope of the technical solution of the invention.
Claims (16)
1. An image forming apparatus provided with a network port and capable of accessing a specific network through a network server, characterized in that,
the image forming apparatus further includes a network monitoring device including:
a data acquirer configured to be connected to the network port and output network data of the network port;
a data parser connected to the data acquirer and configured to be able to parse whether or not the network data transmitted in the data acquirer has information characterizing that the image forming apparatus is connected to a specific network;
a warning information transmitter connected to the data parser and configured to transmit warning information to a user of the image forming apparatus when the data parser parses that there is information indicating that the image forming apparatus is connected to a specific network;
the method for analyzing whether the network data transmitted in the data acquirer has information representing that the image forming device is connected to a specific network by the data analyzer comprises the following steps: the network monitoring device sends information of an access request to the network server, wherein the access request is used for controlling the network server to access a specific network, the access request comprises a domain name or a network address server, and when the network server is a portal, the access request comprises a network address of the portal;
and acquiring a response sent by the network server according to the access request, and outputting information whether the image forming device is connected to a specific network according to the content of the access request response and/or information whether the response is received within a preset time.
2. The image forming apparatus according to claim 1, wherein the content of the access request response includes information that judges whether or not the network data transmitted by the network port contains information indicating that the image forming apparatus is connected to a specified network address, and when the information indicating that the image forming apparatus is connected to the specified network address is contained, information that judges that the image forming apparatus is connected to a specific network is output.
3. The image forming apparatus according to claim 1, wherein the warning information includes at least one of mail notification, audible alarm, short message notification, and pop-up dialog prompt on a display of the image forming apparatus.
4. The image forming apparatus according to claim 1, wherein the network monitoring means further includes a timer that starts counting when the warning information is transmitted by the warning information transmitter, and the warning information transmitter transmits the information to automatically turn off the network communication switch of the network port in the image forming apparatus when the signal that the user determines to allow the image forming apparatus to connect to the specific network is not received for a predetermined period of time.
5. The image forming apparatus according to claim 1, wherein the data parser further parses the job data transmitted from the network port, and parses whether a predetermined keyword is included in the job data, and if the keyword is included, the warning information transmitter transmits information for automatically opening a network communication switch of the network port in the image forming apparatus when it is parsed that the network data transmitted from the data acquirer has information indicating that the image forming apparatus is connected to a specific network.
6. The image forming apparatus according to claim 1, wherein the warning information transmitter transmits the information prohibiting the firmware upgrade of the image forming apparatus in a case where a user confirmation to permit the image forming apparatus to connect to a specific network is not received after the warning information transmitted by the warning information transmitter.
7. The image forming apparatus according to claim 1, wherein the warning information transmitter transmits information to disconnect the intranet connection or prompt a user to disconnect the intranet connection after the warning information transmitted by the warning information transmitter.
8. An image forming apparatus provided with a network port and capable of accessing a specific network through a network server, characterized by further comprising a controller for monitoring whether the image forming apparatus is connected to the specific network, the controller for performing the steps of:
acquiring network data of a network port in the image forming device;
analyzing whether the network data has information representing that the image forming device is connected to a specific network;
and when the information representing that the image forming device is connected to the specific network is analyzed, sending warning information to a user of the image forming device.
9. The image forming apparatus according to claim 8, wherein the controller, in executing the manner of resolving whether the network data has information characterizing the connection of the image forming apparatus to a specific network, includes: an access request is transmitted, and then information of whether the image forming apparatus is connected to a specific network is outputted according to the content of the access request response and/or whether the response is received within a predetermined time.
10. The image forming apparatus according to claim 9, wherein the content of the access request response includes information that judges whether or not the network data transmitted by the network port contains information indicating that the image forming apparatus is connected to a specified network address, and when the information indicating that the image forming apparatus is connected to the specified network address is contained, information that judges that the image forming apparatus is connected to a specific network is output.
11. The image forming apparatus according to claim 8, wherein the warning information includes at least one of mail notification, audible alarm, short message notification, and pop-up dialog prompt on a display of the image forming apparatus.
12. The image forming apparatus according to claim 8, wherein the monitoring step performed by the controller further comprises: and after the sent warning information is sent, automatically switching off a network communication switch of a network port in the image forming device when a signal for allowing the image forming device to be connected to a specific network is not received by a user within a preset time.
13. The image forming apparatus according to claim 8, wherein the controller is further capable of further parsing job data transmitted by the network port when performing parsing of network data for information indicating that the image forming apparatus is connected to a specific network, and parsing whether the job data contains a predetermined keyword, and if the keyword is included, automatically turning off a network communication switch of a network port in the image forming apparatus when parsing of network data for information indicating that the image forming apparatus is connected to a specific network is performed.
14. The image forming apparatus according to claim 8, wherein after the controller performs transmission of the warning information, the image forming apparatus firmware upgrade is prohibited in a case where a user confirmation is not received to allow the image forming apparatus to connect to a specific network.
15. The image forming apparatus according to claim 8, wherein the controller cuts off an intranet connection of the image forming apparatus or prompts a user to cut off the intranet connection of the image forming apparatus after the controller performs transmission of the warning information.
16. An image forming system, the system comprising:
the image forming apparatus according to any one of claims 1 to 15, a network port provided in the image forming apparatus, and a network server capable of letting the image forming apparatus access a specific network.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710154274.XA CN108632051B (en) | 2017-03-15 | 2017-03-15 | Image forming apparatus and system |
| EP18161036.1A EP3376748B1 (en) | 2017-03-15 | 2018-03-09 | Image forming apparatus and system |
| US15/921,393 US10404528B2 (en) | 2017-03-15 | 2018-03-14 | Image forming apparatus and system |
| RU2018109078A RU2691862C1 (en) | 2017-03-15 | 2018-03-14 | Image forming device and system |
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| CN201710154274.XA CN108632051B (en) | 2017-03-15 | 2017-03-15 | Image forming apparatus and system |
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| CN108632051B true CN108632051B (en) | 2024-03-29 |
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