KR101040510B1 - A system for intercepting lewd contents in network and the driving method - Google Patents

Abstract

The present invention relates to a network harmful protection system and a method of driving the same, the technical problem to be solved in addition to the method of cracking down the site that propagates the harmful substances, even if the data about the harmful substances in the P2P communication, such as P2P communication in real time harmfulness It is to provide a network harmful protection system and a method of driving the same.

To this end, a plurality of terminals; A router configured to establish communication networks of the plurality of terminals, mirror the packets on the network, and transmit the packets to the local server; A local server which decodes a packet received from the router and extracts an image; And a main server receiving the extracted image from the local server, analyzing the images, determining a harmfulness, and delivering the determined harmfulness result to the router via the local server. It is formed, including, the router discloses a network harmfulness blocking system, characterized in that for blocking the communication of the terminal for transmitting and receiving data on the image of the harmfulness determined.

Description

Network harmful protection system and its driving method {A SYSTEM FOR INTERCEPTING LEWD CONTENTS IN NETWORK AND THE DRIVING METHOD}

The present invention relates to a network harmfulness blocking system and a driving method thereof, and more particularly, to a network harmfulness blocking system and a driving method thereof for extracting an image from packets transmitted and received on a network to determine the harmfulness.

As the Internet develops, illegal adult pornography is easily exposed on the Internet. These adult pornography only needs to type the address of the site in the Internet address bar, so teens can easily access pornography.

To this end, the government has been making efforts to detect and close sites related to pornography for several years, and to block access to the keywords of the sites.

As a result, an operator operating a site where pornography is distributed is avoiding the government's crackdown by changing the access address or moving the access address to a foreign country that is not under the jurisdiction of the government.

However, as part of efforts to block pornography, the government has ordered a national technical research institute to build a system for screening harmful sites.

The above-mentioned harmful site blocking system analyzes the keyword or image of each site by individually accessing each site, and determines the harmfulness of each keyword or image to block the corresponding site.

However, in recent years, a communication system, such as P2P communication, performs a communication between a personal PC and a personal PC so that data is exchanged through a communication exchange server without a site connection.

In this case, the harmful site blocking system established by the government is in a situation in which the harmful data stored in the personal PCs can not block the data moving in addition to the blocking of the site.

To this end, the personal PC may install and use the pest blocking software by itself, but since the pest blocking software can be installed only when the user desires, there is a problem that it is not useful for users having the purpose of spreading the pest.

In addition, when the pest control software is installed and used in the personal PC, the personal PC may frequently cause a load and the personal PC may slow down the data processing speed.

The technical problem of the present invention provides a network hazard blocking system and a driving method thereof, which can determine the harmfulness in real time even when data on harmful substances transmits and receives packets, such as P2P communication, in addition to a method of controlling a site that transmits harmful substances. There is.

Network harmful blocking system of the present invention for achieving the above technical problem is a plurality of terminals; A router configured to establish communication networks of the plurality of terminals, mirror the packets on the network, and transmit the packets to the local server; A local server which decodes a packet received from the router and extracts an image; And a main server which receives the extracted image from the local server, analyzes the images, determines a harmfulness, and transmits the determined harmfulness result to the router via the local server. It is formed, including, characterized in that the router blocks the communication of the terminal for transmitting and receiving data on the image of the harmfulness determination.

In this case, the router may block the transmission / reception port of the terminal on which the harmfulness is determined, and notify the terminal of the harmfulness determination result.

The image extracted from the local server may be a key frame of a still image or a video.

In addition, the main server extracts the distribution of the skin color of the human from the extracted image, the distribution of the skin color exceeds a certain ratio of the entire image ratio of the extracted image, the harmfulness when the distribution of the skin shape is high similarity to the harmful pattern Can be determined.

In addition, the main server may extract a shape consisting of the skin color and the distribution of the skin shape of the extracted person, and determine whether there is a part similar to the shape of the genitals of the person in the shape, and determine the harmfulness.

On the other hand, the network harmful blocking system driving method for achieving the above technical problem is a packet mirroring step of mirroring the packets transmitted and received from a plurality of terminals in the router; A packet movement step of transmitting the mirrored packet to the local server; A packet receiving step of receiving a packet transmitted from the local server; A packet decoding step of decoding a packet received at the local server; Extracting an image from the decoded data on the local server; Transmitting an image extracted from the local server to a main server; A skin color and skin shape distribution map extracting step of extracting a color and skin color distribution map of a human skin color from an image transmitted to the main server; Genital shape checking step of comparing the shape of the skin color and skin shape distribution map extracted from the main server with the genitals of human; Hazard determination is determined when the skin color distribution in the skin color and skin shape distribution map extraction step exceeds a certain ratio, and when the shape of the skin color distribution in the genital shape checking step is similar to the human genitalia. step; When the harmfulness is determined in the main server, extracting the address of the terminal from the corresponding image and transmitting the harmfulness information to the router; And, the communication blocking step of blocking the communication of the terminal in the router receiving the harmfulness information; And is formed to include a plurality of protrusions.

Further, in the genital shape checking step, it is possible to determine whether the coordinate data of the shape of the human penis embedded in the main server coincides with the shape of the skin color and skin shape distribution map extracted from the main server.

In addition, the communication blocking step may block the transmission and reception port of the terminal is determined harmfulness, and notify the terminal of the harmfulness determination result.

Also, in the image extraction step, an image related to a still image or a video may be extracted, and a keyframe of the video may be extracted to extract an image related to a video.

The present invention can block the communication of the terminal by determining the harmfulness of the image contained in the packet of data transmitted and received on the network, there is an effect that can block the harmful in a communication environment, such as P2P.

The present invention has the effect of blocking the propagation of harmful substances on its own in the place where the company network system is installed, such as the company, government agencies and schools.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In the following description, the components constituting the network harmful protection systems according to an embodiment of the present invention, the connection relationship between the components, and the role of the components will be described.

1 is a block diagram of a network harmful protection system according to an embodiment of the present invention.

Referring to FIG. 1, the network harmful protection system 100 according to an embodiment of the present invention includes a terminal 110, a router 120, a local server 130, and a main server 140.

The terminal 110 is composed of a plurality. The terminal 110 of the present embodiment is a terminal 110 capable of Internet communication such as a general PC. In each terminal 110 of the present embodiment, an appropriate size network is set by the router 120 in order to exchange files in a general enterprise or to interoperate various devices such as various printers. Meanwhile, the network set in the terminal 110 may be set in the internet communication service provider.

The router 120 is connected to the plurality of terminals 110 by wire or wireless communication, and transmits and receives packets to and from the terminal 110 through a communication protocol such as TCP / IP. In addition, the router 120 connects the plurality of terminals 110 to each other so that each of the plurality of terminals 110 may exchange data with each other or use various devices in conjunction with each other, thereby establishing a network in each terminal 110. To be set.

In addition, the router 120 connects the plurality of terminals 110 to perform an internet communication with an external server. Here, when the plurality of terminals 110 connect to the external server and the Internet, the router 120 copies the packets of data transmitted or received by the plurality of terminals 110 to an internal temporary storage device (not shown). Mirroring. In this case, the router 120 transmits the mirrored data to the local server 130.

The local server 130 receives the mirrored packet from the router 120. In this case, the local server 130 decodes the packet and extracts the image. Here, when the image included in the packet is a still image, the local server 130 restores the original image by using a decompressor according to the extension of the image. In addition, if the image included in the packet is a video, the local server 130 decompresses the video using a codec of the corresponding video, and then extracts an image of a key frame of the decompressed video. .

The main server 140 receives the image extracted from the local server 130. In this case, the main server 140 analyzes the received image.

Here, the main server 140 extracts data about the RGB color from the extracted image, and then compares the data about the distribution of the RGB color related to the skin color of the person stored in the main server 140 to obtain a certain proportion of the human skin color. If exceeded, it is determined that there is a hazard.

In addition, the main server 140 extracts coordinates of the data about the RGB color and the data about the RGB color from the extracted image to extract the shape of the skin distribution of the data about the RGB color. In this case, the main server 140 compares the shape of the coordinate data on the genital shape of the person stored therein with the data on the skin distribution data on the RGB color extracted from the image to determine whether there is a hazard.

In addition, if there is an image of the harmfulness is determined from the extracted image, the main server 140 secures the IP (ip) or the transmission and reception port information of the image and the obtained information through the local server 130 Transfer to the router 120. At this time, the router 120 blocks the communication of the terminal 110 for transmitting and receiving data regarding the image of the harmfulness determined. In this case, the router 120 blocks the communication port of the harmful terminal 110, and then sends the harmfulness determination result to the terminal 110 so that the user can know.

FIG. 2 is a flowchart of a driving method relating to a functional sequence performed by the components of the network harmful protection system shown in FIG. Hereinafter, a method of driving a network harmful protection system will be described with reference to FIGS. 1 and 2.

Referring to FIG. 2, the method of driving a system for preventing harmful networks according to an embodiment of the present invention includes a packet mirroring step S10, a packet moving step S20, a packet receiving step S30, a packet decoding step S40, and an image. Extraction step (S50), image transmission step (S60), skin color and skin distribution distribution step (S70), genital shape check step (S80), hazard determination step (S90), hazard information transmission step (S100), and It is formed including a communication blocking step (S110).

The packet mirroring step (S10) is a step of mirroring by copying the packets transmitted and received by the router 120 from the plurality of terminals 110 to the router 120 in order to use the Internet environment or the network environment.

The packet movement step S20 is a step in which the router 120 transmits the mirrored packet to the local server 130.

The packet receiving step S30 is a step of receiving a mirrored packet transmitted from the local server 130.

The packet decoding step S40 is a step of decoding a packet received by the local server 130. Here, decoding is a process of collecting the received packets and recovering the original data.

The image extraction step (S50) is a step of extracting an image from the decoded data on the local server 130. In this case, in the image extraction step S50, an image relating to a still image or a moving image may be extracted. Here, the extraction of the image related to the video extracts the key frame of the video.

The image transmission step (S60) is a step of transmitting the image extracted from the local server 130 to the main server 140.

The skin color and skin shape distribution map extracting step (S70) is a step of extracting a distribution map of color and skin color shape of a human skin color from an image transmitted to the main server 140. Here, the human skin color is the skin color distribution data of the skin color among the RGB data, and the skin color distribution shape when the skin color distribution of the color extracted from the image is the skin color distribution data in the skin color distribution step (S70). The bay will be extracted.

The genital shape confirmation step (S80) is a step of comparing the shape of the skin color and skin shape distribution map extracted from the main server 140 with the genitals of the person. In the genital shape checking step (S80), it is a step of determining whether the coordinate data regarding the shape of the human penis embedded in the main server 140 matches the shape of the skin color and the skin shape distribution map extracted from the main server 140. In addition, in the genital shape confirming step (S80), it may be determined whether or not the data of the shape related to the harmfulness such as the female breast coincides with the shape of the skin color and the skin shape distribution map extracted from the main server 140.

The harmfulness determination step (S90) is a skin color and skin shape distribution map extraction step (S70), the distribution of the skin color exceeds a certain ratio, the step of determining that there is a harmfulness when the distribution of the skin shape is high similarity to the harmful pattern to be. In this case, the distribution of the skin color is more than 10% compared to the full screen ratio, and when the degree of similarity with the harmful pattern is more than 80%, the harmfulness can be determined. In addition, in the harmfulness determination step (S90), in addition to the determination of the distribution of skin color and skin shape, it is determined that there is a hazard when the shape of the distribution of the skin color is similar to the human genitalia in the genital shape confirmation step (S80). . Here, in the noxiousness determination step (S90), if there is no noxiousness, the process returns to the step of mirroring the first packet and continuously performs the above-described steps.

The harmfulness information transmitting step (S100), when the harmfulness is determined in the main server 140, extracts the address of the terminal 110 from the corresponding image, and extracts the extracted address from the router 120 through the local server 130. Step).

The communication blocking step (S110) is a step of blocking the communication of the terminal 110 in the router 120 receives the harmfulness information to the local server 130. In the communication blocking step (S110), the router 120 may transmit a result indicating that the harmfulness is determined to the terminal 110 that transmits and receives the harmfulness information, and may notify the user. In this case, the blocking of the communication may block only the transmission / reception port of the terminal 110 so that other communication may be used in the terminal 110.

As described above, the network harmful blocking system and its driving method according to an embodiment of the present invention can block the communication of the terminal 110 by determining the harmfulness of the images contained in the packet of data transmitted and received on the network. In addition, harmful substances can be blocked even in a communication environment such as P2P.

In addition, the network harmful blocking system and its driving method according to an embodiment of the present invention can block the communication of the specific terminal 110 in the network configured environment, where the company network system is installed, such as a company, government agencies, schools In this way, the transmission of harmful substances can be blocked in principle.

1 is a block diagram of a network harmful protection system according to an embodiment of the present invention.

FIG. 2 is a flowchart of a driving method relating to a functional sequence performed by the components of the network harmful protection system shown in FIG. 1; FIG.

<Description of the code for the main part of the drawing>

110; Terminal 120; router

130; Local server 140; Main server

Claims (9)

A plurality of terminals; A router configured to establish communication networks of the plurality of terminals, mirror the packets on the network, and transmit them to a local server; A local server which decodes a packet received from the router and extracts an image; And A main server that receives the extracted image from the local server, analyzes the images, determines a harmfulness, and transmits the determined harmfulness result to the router via the local server; It is formed to include, The main server transmits data information about the image on which the harmfulness is determined to the router, and the router blocks a transmission / reception port of a terminal that transmits and receives data on the image on which the harmfulness is determined, and the harmfulness determination result. Network harmful block system, characterized in that notifying the terminal to determine the harmfulness. delete The method of claim 1, And the image extracted from the local server is a key frame of a still picture or a video. The method of claim 1, The main server extracts a distribution map of the skin color of a person from the extracted image, and determines the harmfulness when the distribution of the skin color exceeds a predetermined ratio of the extracted image full screen ratio. The method of claim 4, wherein The main server extracts a shape consisting of a human skin color and a distribution of skin shapes, and determines whether the shape is similar to the shape of a human penis to determine a harmfulness. delete delete delete delete

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