JPH06350784A - Facsimile equipment - Google Patents

Abstract

(57) [Abstract] [Purpose] It is an object of the present invention to provide a facsimile device capable of suppressing infection by a computer virus. [Configuration] Other personal computers PC1, PC2, ..., PC via a local area network
When a file transmission request is received from m, a floppy disk is loaded in the floppy disk device 12, and a file is received from another terminal, a reception file, a file saved in the floppy disk, and a reception It checks whether each file is infected with a computer virus, and if so, deletes the file and informs the user accordingly. It is possible to suppress the situation where a virus spreads as much as possible.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facsimile apparatus which is connected to a local area network to which at least one terminal is connected and which has a local area network server function in this local network.

[0002]

2. Description of the Related Art In recent years, a facsimile apparatus has been put into practical use which is connected to a local area network to which a plurality of terminals are connected and which realizes a facsimile server function in this local network.

In this case, the scanner, printer (plotter), and facsimile communication function provided in this facsimile apparatus can be used from each terminal connected to the local network, and the resources of the local area network can be saved. It can be used effectively.

[0004]

However, such a conventional device has the following disadvantages.

That is, a file contaminated with so-called computer virus software invades from the outside via a facsimile machine, and thereby infects all terminals connected to the local area network with the invading computer virus software. There is a risk that it will occur.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a facsimile apparatus capable of suppressing infection by a computer virus.

[0007]

SUMMARY OF THE INVENTION The present invention comprises at least one
Virus detection to detect that executable files and data files are contaminated by computer virus in a local area network connected to two terminals and a facsimile machine equipped with a local area network server function in this local network Means and a terminal connected to the local area network, and when a file is accepted and a file is accepted, the virus checking means determines whether or not the received file is contaminated with a computer virus, and the received file When is detected to be infected with a computer virus, it is equipped with a control means for deleting the received file.

Further, in a facsimile apparatus having a local area network server function connected to a local area network to which at least one terminal is connected, executable files and data files are contaminated by computer viruses. When a file is requested from a terminal connected to the local area network and a file is accepted, whether the received file is contaminated by a computer virus or not When it is determined that the received file is contaminated with a computer virus, the received file is erased, and a control means for notifying the terminal user who requested the transmission is provided. It is intended.

Further, in a facsimile apparatus having a local area network server function connected to a local area network to which at least one terminal is connected, executable files and data files are contaminated by computer viruses. Virus detection means to detect that there is a file, and accumulate the files received from other terminal devices,
The virus checking means determines whether the accumulated files are contaminated with computer viruses,
When it is detected that the received file is contaminated with a computer virus, a control means for deleting the received file is provided.

Further, in a facsimile apparatus having a local area network server function connected to a local area network to which at least one terminal is connected, executable files and data files are contaminated by computer viruses. Virus detection means to detect that there is a file, and accumulate the files received from other terminal devices,
The virus checking means determines whether the accumulated files are contaminated with computer viruses,
When it is detected that the received file is contaminated with a computer virus, the received file is erased, and a predetermined administrator user is provided with a control means to that effect.

[0011]

Therefore, the state of computer virus infection can be detected for all the files exchanged inside and outside the local area network via the facsimile device, and the infected files are erased. Can be suppressed.

[0012]

Embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

FIG. 1 shows a local area network system according to an embodiment of the present invention.

In FIG. 1, m personal computers PC1, PC2, ..., PCm, and a facsimile machine I having a local area network server function.
The FAX is connected to the concentrator HUB, and the concentrator H
These personal computer PC via UB
1, PC2, ..., PCm and facsimile machine I
FAX is connected.

Here, the concentrator HUB is, for example, 10
It is for configuring a star type local area network such as BASE-T (IEEE802.3CSMA / CD). In this local area network system, the control processing and application software programs of the personal computers PC1, PC2, ..., PCm and the facsimile machine IFAX are based on a so-called multi-window type network operating system. I have to. In addition, one or more administrator users for managing the local area network system are set.

Further, the facsimile machine IFAX includes personal computers PC1, PC2, ..., PCm.
The same one or more application software as described above, or an application program capable of printing a file created by the application software is installed (implemented). At the same time, the facsimile machine IFAX has a transmission / reception function of file data created by application software.

FIG. 2 shows an example of the facsimile machine IFAX.

In FIG. 1, a CPU (central processing unit) 1
Controls the operation of each part of the facsimile machine IFAX,
The group 3 facsimile transmission function and the processing of the local area network server function are implemented, and the ROM (read only memory) 2 is a C
The RA 1 is for storing various data referred to in the process executed by the PU 1 and information unique to the facsimile apparatus IFAX (for example, a machine identification number described later).
The M (random access memory) 3 is for configuring the main memory, work area, etc. of the CPU 1,
The clock device 4 is for outputting current time information and the like. The RAM 3 and the clock device 4 are backed up by the battery 5.

The scanner 6 is for reading and inputting a document image at a predetermined resolution, and the image processing section 7 is
The operation of the scanner 6 is controlled, and various image processing such as pixel density conversion is applied to the image data read by the scanner 6.

The page printer 8 is for recording a high-resolution and high-quality image on plain paper such as a laser beam printer, and the recording controller 9 is for controlling the recording operation of the page printer 8. Is.

The operation display unit 10 is for directly operating the facsimile apparatus IFAX locally.
The encoding / decoding unit 11 is for executing a predetermined image encoding / decoding process.

The floppy disk device 12 is for recording / reproducing / erasing data on a floppy disk (not shown).
This is for controlling the operation of the floppy disk device 12.

The magnetic disk device 14 is a large-capacity external storage device, and stores system software, system files, a plurality of application software such as computer virus detection software, a large number of image files, and application software file data. It The magnetic disk controller 15 is for controlling the operation of the magnetic disk device 14.

The local area network interface 16 is for connecting to the concentrator HUB, and the local network control unit 17 is for performing a data transmission operation according to a predetermined local area network control procedure. .

The group 3 facsimile modem 18 is for realizing the modem function of the group 3 facsimile, and has a low speed modem function (V.21 modem) for exchanging transmission procedure signals and mainly exchanging image information. High-speed modem function (V.33 modem,
V. 29 modem, V.29. 27ter modem etc.).

The network control device 19 is for connecting the facsimile device IFAX to the public telephone line network, and has an automatic transmission / reception function. A handset 20 for calling is attached to the network control device 19.

These CPU 1, ROM 2, RAM 3,
Clock device 4, image processing unit 7, recording control unit 9, operation display unit 10, encoding / decoding unit 11, floppy disk control unit 13, magnetic disk control unit 15, local area network control unit 17, group 3 facsimile modem 1
8 and the network control device 19 are connected to the system bus 21, and data exchange between these respective elements is mainly executed via the system bus 21.

FIG. 3 shows another personal computer PC1, PC2, ... Via a local area network.
.. shows an example of processing of the facsimile apparatus IFAX when receiving a file transmission request from PCm.

Any personal computer PC
1, PC2, ..., PCm request a file transmission, the facsimile apparatus IFAX accepts the file transmission request (process 101) and issues the file transmission request to the personal computers PC1, PC.
2, ..., Receives a file to be transmitted (hereinafter referred to as a reception file) from PCm and saves the received reception file (process 102).

Then, the computer virus inspection software is activated to check whether the received file is contaminated with a computer virus (process 103, decision 104). When the result of determination 104 is YES,
The reception file is deleted (process 105), and the personal computer PC1, PC2, ...
Since the received file was contaminated with a computer virus, the file is erased, and a message notifying that the transmission has been canceled is transmitted (process 106), and this process ends.

If the received file is not contaminated with a computer virus, the result of judgment 104 is NO.
When, the destination specified at that time is called, a transmission process for transmitting the reception file at that time is executed (process 107), and this process is ended.

FIG. 4 shows the processing executed when a floppy disk is loaded in the floppy disk device 12.

First, one file stored in the floppy disk is selected (process 201), computer virus inspection software is started, and it is checked whether or not the selected file is contaminated with a computer virus (process 202, Decision 203). The result of judgment 203 is YE
When S is reached, the selected file is set as a virus-contaminated file (process 204), and the result of judgment 203 is N.
When it becomes O, the selected file is set as a virus non-contaminated file (process 205).

In this way, when the computer virus contamination status of one file is judged, it is checked whether the processing for all the files is completed (decision 206), and when the result of judgment 206 is NO,
The process returns to step 201, and the process for the remaining files is executed.

Further, when the result of the judgment 206 is YES, the operation display unit 1 indicates the list of inspection results at that time.
It is displayed at 0 (process 207) and this process is terminated.

FIG. 5 shows an example of processing when the facsimile machine IFAX detects an incoming call.

When the incoming call is detected, the incoming call is answered (process 30).
1) A predetermined reception process is executed (process 302), and the file received at that time is temporarily stored. Then, the computer virus inspection software is activated to check whether the received file is contaminated with a computer virus (process 303, decision 304).

When the result of the determination 304 is YES, the received file is deleted (process 305), and reception is performed for the personal computers PC1, PC2, ..., PCm to which the predetermined administrator user has logged in. A message notifying that the file has been erased because it was contaminated by a computer virus is sent (process 306), and this process ends.

If the received file is not contaminated with a computer virus, the result of judgment 307 is NO.
When is, check whether the received file at that time is computer virus inspection software (decision 3
07). When the result of determination 307 is YES, the received file at that time is registered in the application area of the magnetic disk device 14 (process 308), and this process ends.

When the result of judgment 307 is NO, a message indicating that the file has been received is sent to the personal computers PC1, PC2, ..., PCm to which the predetermined administrator user has logged in. (Process 309), and this process ends.

In this way, in this embodiment, when a file transmission request is received from another personal computer PC1, PC2, ..., PCm via the local area network, the floppy disk device 12 stores a floppy disk. When installed, and when receiving files from other terminals, the reception file, the files stored on the floppy disk, and the received files are checked to see if they are contaminated by computer viruses. If so, the file is deleted or the user is notified to that effect, so that the situation where a computer virus spreads in the local area network can be suppressed as much as possible.

By the way, in the above-described embodiment, the facsimile machine IF connected to the local area network.
The case where the present invention is applied to the AX has been described, but the present invention is directed to the facsimile apparatus IF connected to one personal computer PC as shown in FIG.
The same applies to AX ′.

In this case, the facsimile machine IFAX '
Has a configuration in which the local area network interface 16 and the local network control unit 17 of the facsimile apparatus IFAX shown in FIG. 2 are replaced with a host interface circuit 22 for connecting to a personal computer PC, as shown in FIG. . Further, this facsimile apparatus IFAX 'also has a transmission / reception function similar to that of the above-mentioned facsimile apparatus IFAX.

The present invention can be similarly applied to a single facsimile machine.

The present invention can be similarly applied to a facsimile machine having a system configuration different from that described above, and can be similarly applied to a group 4 facsimile machine. .

[0046]

As described above, according to the present invention,
The status of computer virus infection can be detected for all the files exchanged inside and outside the local area network via the facsimile machine, and the infected files are erased, so the influence of computer virus infection can be greatly suppressed. Get the effect.

[Brief description of drawings]

FIG. 1 is a block diagram showing an example of a local network system according to an embodiment of the present invention.

FIG. 2 is a block diagram showing an example of a facsimile apparatus according to an embodiment of the present invention.

FIG. 3 is a flowchart showing a part of a processing example of a facsimile device when a file transmission request is received from a personal computer via a local area network.

FIG. 4 is a flowchart showing an example of processing when a floppy disk is loaded in the floppy disk device.

FIG. 5 is a flowchart showing a processing example when an incoming call is detected.

FIG. 6 is a block diagram showing an example of a system according to another embodiment of the present invention.

FIG. 7 is a block diagram showing an example of a facsimile apparatus according to another embodiment of the present invention.

[Explanation of symbols]

 PC1 to PCm, PC Personal computer HUB Concentrator IFAX, IFAX 'Facsimile device

Claims (4)

[Claims] 1. In a facsimile apparatus having a local area network server function in at least one terminal connected to a local area network, executable files and data files are contaminated by computer viruses. When a file is requested from a terminal connected to the local area network and a file is received, it is checked whether the received file is contaminated by a computer virus. A facsimile machine comprising a control means for erasing the received file when judging and judging that the received file is contaminated by a computer virus. 2. A facsimile machine having at least one terminal connected to a local area network and having a local area network server function in the local network, wherein executable files and data files are contaminated with computer viruses. When a file is requested from a terminal connected to the local area network and a file is received, it is checked whether the received file is contaminated by a computer virus. When it is determined that the received file is contaminated with a computer virus, the received file is erased, and a control means for notifying the terminal user who requested the transmission is provided. Facsimile apparatus according to claim. 3. A facsimile machine, which is connected to a local area network to which at least one terminal is connected, and has a local area network server function in the local network, wherein executable files and data files are contaminated with computer viruses. The virus checking means for detecting the presence of the file and the files received from other terminal devices are accumulated, and the virus checking means determines whether or not the accumulated files are contaminated by computer viruses, and the received files A facsimile machine comprising control means for deleting the received file when it is detected that the computer is contaminated with a computer virus. 4. A facsimile machine, which is connected to a local area network to which at least one terminal is connected, and has a local area network server function in the local network, wherein executable files and data files are contaminated with computer viruses. The virus checking means for detecting the presence of the file and the files received from other terminal devices are accumulated, and the virus checking means determines whether or not the accumulated files are contaminated by computer viruses, and the received files When it is detected that the computer is contaminated by a computer virus, the received file is erased, and a predetermined administrator user is provided with a control means to that effect.