54results about How to "Will not affect normal communication" patented technology

The invention provides a cooperative type active defense system based on honey nets. The cooperative type active defense system comprises a data capture module, a data analysis module and a data control module and is characterized in that the data capture module, the data analysis module and the data control module are arranged at the center of one honey net and a plurality of sub nets in a distributed mode. The cooperative type active defense system depends on a honey net technology, a cooperative type active defense thought is adopted, attacker information captured by the different honey nets is shared in real time, active defensiveness of a network layer is achieved, defensive initiative and real-time performance are improved, and the cooperative type active defense system is suitable for large-scale enterprise networks. The cooperative type active defense system built through the method is high in defense rate, hit rate and robustness, and time delay from the time that attackers are firstly found to the time that all network deployment and control is achieved is greatly reduced.

The invention is suitable for the computer network field, which provides a method, a device and a piece of equipment for filtering e-mails. The method comprises the steps as follows: the address messages of a sender and a receiver are acquired; IP addresses are filtered according to the IP address in the address message of the sender; when the IP address of the mail fails to pass the IP filtration, a white list corresponding to the address message of the receiver is enquired according to the mail address in the address message of the sender and a white list check is then conducted on the mail. The invention carries out the IP address filtration after the sender establishes an IP connection, and performs the white list recheck on the mail which fails to pass the IP address filtration, thus preventing the mail in the user white list from being intercepted mistakenly without influencing the regular communications while processing junk e-mails.

The invention discloses a device backboard high-speed bus link layer communication protocol based on M-LVDS, adopting the variable data bit wide design, being suitable for large data volume communication of different data bandwidth requirement, adopting collision detection and lossless arbitration to compete for speaking right, adopting the priority rotate method for guaranteeing roll polling speak for each node, preventing occupying the bus for some node for a long time and supporting the hot plug function, the normal communication of other nodes on the bus is not impacted while any abnormal node drops out, the stability and reliability are high. The bus physical layer adopts M-LVDS with high-level ESD protection function, the reflection and EMI can be reduced by controlling the slew rate, the signal integrity is raised for greatly raising the system stability. The device backboard high-speed bus link layer communication protocol based on M-LVDS is used for realizing the industrial control, relay protection and high speed peer data interaction among modules in the safe automatic device, and satisfying the high real time performance, high reliability, flexible and extensible performance requirement to the protection control system for the intelligent power grid.

A real-time attendance method using a GSM/3G mobile phone perception technology is realized in the invention. The technology includes the following steps: building a 3G/GSM perception base station platform by using combining four modules comprising a protocol parsing module, a user identity simulation control module, an information interaction control module and a real time management module with a GSM perception base station module, a 3G perception base station module and a user identity stimulation hardware module, perceiving the mobile terminal (mobile phone) IMSI number of an employee, obtaining the telephone number MSISDN of the user through the IMSI number, storing the information in a company employee information database, obtaining the online/offline information of the employee through the real-time perception of the mobile phone state of the employee, and displaying the online/offline information of the employees in an operation interface. The method can realize the real-time perception of the presence information of the mobile terminal independent of a service provider in order to perceive the online/offline information of the employee in real time and display the online/offline information corresponding to the user's name.

The invention discloses a method for acquiring and updating configuration for network equipment. The method is divided into a manned management mode and an unmanned management mode. The manned management mode comprises the following steps of: detecting the network equipment through a network equipment management program in a computer terminal, and sending a basic information query instruction to the network equipment through universal serial bus (USB) connection, wherein the basic information comprises but is not limited in media access control (MAC) address, equipment model and information of marking equipment identity of a serial number; after the network equipment receives the instruction, sending the basic information in the step A2 to the computer terminal; and after the computer terminal receives the basic information of the network equipment and processes the information, presenting the information to an administrator and the like through a user interface of a program. Identity authentication and communication encryption can be eliminated, and an internet protocol (IP) is not required to be configured, so the method is very convenient and simple.

The invention provides a lawful interception method for internetwork telephone domain. The method comprises configuring lawful interception parameters; receiving and analyzing the cross-domain conversation request of the network telephone operator server by a conversation margin controller, judging whether the current cross-domain call is in the lawful interception range; if yes, preserving the conversation request and executing the following steps; if no, completing addressing and routing according to regular flow; when the interception data type is conversation parameter, performing the route relay of the current cross-domain call by the conversation margin controller; when the interception data type is media stream information, modifying the addresses of the calling subscriber and the called subscriber into the address of the conversation margin controller, starting the media stream interception progress and preserving the intercepted media stream. The invention can be applied among any VoIP operators based on SIP out of the limitation of media format of the conversation subscribers, and can perform lawful interception to the real-time text, voice or video information and the like simultaneously.

The invention discloses a method for preventing an address resolution protocol (ARP) attack. The method comprises the following steps that: S1, when receiving an ARP message, network equipment detects whether a source media access control (MAC) address in the ARP message has a static MAC in an MAC table or not, if so, the ARP message is directly discarded, otherwise, the ARP message is sent to a central processing unit (CPU) for processing; S2, when receiving the sent ARP message, the CPU of the network equipment adds one to the refreshing times of the ARP list of the ARP message; and S3, if the refreshing period is not reduced to 0 and when the refreshing times is up to a preset punishment value, one static MAC address is written for the source MAC address in the ARP message in the MAC table of the network equipment, and a time parameter value is set for the static MAC address. By the method, the ARP attack is effectively prevented under the condition of no influence on the normal communication between a host computer in a local area network and outside.

The invention relates to a micro-electric wireless remote valve controller for realizing pressure balance and current balance of an urban pipe network with pressure. The micro-electric wireless remote valve controller is characterized in that a valve controller main body unit is connected with an executing unit and is used for receiving control commands and configuration parameters which are transmitted by a host system through a GPRS ( general packet radio service) communication module and an external antenna; the control commands and the configuration parameters are analyzed by a micro-power-consumption singlechip and are stored in a FlashROM module; a power electrical subassembly control module in the valve controller is connected with a flowmeter serial port module and two analog-to-digital conversion interfaces of a pressure transmitter on the executing unit of the valve controller; acquired pipe network running data are transmitted to the micro-power-consumption singlechip, are analyzed by the micro-power-consumption singlechip and are compared with control parameters stored in the FlashROM module; and after a comparison result is generated, the micro-power-consumption singlechip transmits an executing command, a DC (direct-current) 12V electromagnetic valve of the executing unit of the controller is started by the power electrical subassembly control module, and the quantity of water in an upper cavity of a functional valve is adjusted, so that a whole current balancing and/or voltage balancing process is finished.

The invention discloses a device and method for obtaining an international mobile equipment identifier of a mobile communication terminal by a base station. The device comprises a radio frequency front end, a modulator-demodulator, a coder-decoder, a protocol stack, a scanning configuration module, a position updating and processing module, an authentication and encryption module and a storage module, wherein the radio frequency front end is used for transmitting and receiving a radio frequency signal of a global system for mobile communications, receiving a signal from the modulator-demodulator to be transmitted in a free space, and receiving a signal from the free signal to be processed by the modulator-demodulator; and the modulator-demodulator is used for modulating and demodulating the radio frequency signal of the global system for mobile communications, demodulating the signal coded by the coder to be transmitted by the radio frequency front end, and demodulating the signal of the global system for mobile communications, which is received by the radio frequency front end and is decoded by the decoder. By adopting the device and the method, an identifier of a mobile communication terminal in a coverage range of the base station can be immediately obtained.

Embodiments of the invention discloses a calling method and a terminal. The method comprises the following steps of the terminal detects the calling environment of the terminal when the terminal is in call status; the terminal converts a receiving voice signal into a corresponding literal content when the calling environment of the terminal meets preset decision conditions; and the terminal displays the literal content.

The invention provides a secure gateway device of a vehicle and a secure communication method, and belongs to the field of secure communication. The secure gateway device includes: a microcontroller storing a partial code of a complete program of the secure gateway device, and an encryption chip which stores residual codes which form the complete program together with the partial codes, so that anexternal module needs to be authorized by the encryption chip to read the complete program when accessing the secure gateway device. The invention also provides a secure communication method appliedto the secure gateway device. According to the secure gateway device and the secure communication method, the communication security of the gateway of the vehicle can be improved.

Disclosed are a local oscillator synchronization method of a passive optical network (PON) system, an optical network unit (ONU) and an optical line termination (OLT). The method is respectively applied in the ONU and the OLT, comprising: the ONU sending an uplink spread spectrum signal to the OLT; the OLT de-spreading the uplink spread spectrum signal and estimating a local oscillator frequency of the ONU; generating a frequency control word according to a frequency offset value between the local oscillator frequency and a channel specified by the OLT; modulating the frequency control word into a downlink spread spectrum signal and sending the signal to the ONU; the ONU demodulating the downlink spread spectrum signal to obtain the frequency control word; and adjusting the local oscillator frequency according to the frequency control word. According to the method, the local oscillator frequency of each ONU is pulled to the channel specified by the OLT, thereby avoiding the overlap of signal spectrum after each ONU is started. Local oscillator synchronization of the PON system is realized without affecting the normal communication of in-transmitting users.

The invention discloses an MVB ring network with a roundabout path redundancy, wherein the ring network supports an MVB main device in dynamic reconnection. The MVB ring network comprises a plurality of nodes, a first redundant loop line, and a second redundant loop line. The first redundant loop line and the second redundant loop line are connected in parallel and are connected in series with the multiple nodes successively. Each node consists of a multifunctional vehicle bus controller and terminal circuits; the multifunctional vehicle bus controllers are connected with the multiple terminal circuits electrically by the first redundant loop line and the second redundant loop line; and the first redundant loop line and the second redundant loop line are connected in series with the terminal circuits in each node successively. In each node, a crossed control circuit is formed between the first redundant loop line and the second redundant loop line. According to the invention the MVB ring network has the following beneficial effects: the MVB ring network can identify a breaking point position of an MVB bus line automatically; and usability of the MVB ring network and the MVB bus completeness can be guaranteed.

The invention discloses a method and a system for shielding a GSM mobile phone signal, which interferes with mobile phone uplink frequency to achieve shielding. The characteristic that an uplink signal transmitted by the mobile phone has at least one uplink time slot period is used, and it is detected and identified whether the uplink signal intensity reaches a set level threshold in the uplink time slot period, and it is determined whether the transmitting mobile phone is located in a shielding area accordingly; for the mobile phone determined to be located in the shielding area, shielding interference signals of the same time slot are transmitted, so that the intensity of the interference signals is greater than the intensity of the uplink signal transmitted by the mobile phone to interfere with the reception of the base station, thereby interrupting the communication of the mobile phone. A system for shielding a GSM mobile phone signal comprises an uplink receiving antenna, a filter, a power detection comparator, an interference transmitter, and an uplink interference antenna. By adopting the method and system provided by the invention, while shielding the GSM mobile phone signal, other users in the area are not affected; and signals are not transmitted when the mobile phone is not used, thereby reducing waste and reducing wireless signal pollution.

The invention provides a method and a device for optimizing FC port security. The method is characterized by comprising the steps of: creating a virtual interface for equipment on an F-Port port when the F-Port port receives a login request of the equipment; checking whether the equipment is legal on the virtual interface; if so, exchanging login information with the equipment through the virtual interface so that the equipment can complete login, and then exchanging data messages with the equipment through the F-Port port; otherwise, returning a login refusal message to the equipment through the virtual interface, maintaining a state of the F-Port port unchanged, and shutting down the virtual interface. The method and the device can ensure normal communication of the logged-in equipment when encountering illegal equipment login.

The invention discloses a data acquisition method based on asynchronous transfer mode inverse multiplexing agreement (IMA). The method comprises: configuring IMA parameters by an IMA processing unit of the data acquisition equipment configures and accessing the IMA frame of the object to be acquired to an IMA data access unit of the data acquisition equipment; extracting an IMA control agreement cell in the accessed IMA frame and resolving to obtain IMA parameter configuration of the data source to be acquired; reconfiguring IMA parameters by the IMA processing unit according to the obtained IMA parameter configuration; setting a loopback to establish an IMA group in the data acquisition equipment; disconnecting the set loopback and performing delay compensation to the established IMA group; and acquiring the asynchronous transfer mode cell in the accessed IMA frame. With the invention adopted, normal data transmission and communication can be ensured while acquiring needed data.

The invention provides a switch communication method and a system and a switch, wherein the method comprises the steps: at least two switch interfaces of a home terminal switch are pre-configured, the interfaces are connected with at least three opposite terminal switches, so that each switch comprises at least two communication links; a switch interconnection topology structure is acquired; an initial communication link between the home terminal switch and each opposite terminal switch according to the switch interconnection topology structure; when a target switch interface cannot communicate with the adjacently connected opposite switch, the interconnection topology structure of the switch is updated correspondingly; shortest communication links between the home terminal switch with each opposite switch is determined according to the updated interconnection topology structure of the switch, and each shortest communication link is started, so that the home terminal switch can communicate with each opposite switch through the corresponding shortest communication link. According to the technical scheme, the reliability of data transmission between switches can be improved.

The invention discloses an information processing method and system in a high-concurrency environment, and relates to the field of communication. According to the method, the operation requests of theclient are shunted at the same time and then are shunted to different business services for processing according to different businesses of the operation requests, so the separation of connection andbusiness processing is realized; the information processing under the high concurrency condition can be well completed; meanwhile, request operations of a large number of clients are processed; and the client sends an operation request to the single shunting service, the shunting service obtains the processing service according to the operation request to process the request of the client, and the single shunting service or the processing service crash does not influence the normal communication of other clients which are not communicated, so the overall communication performance of the system is improved.

The invention provides an information interaction system and a method based on a self-help borrowing and returning device, which belongs to the technical field of communication. The information interaction system comprises a self-help borrowing and returning device which is internally provided with a memory, a high-frequency reader, an ultrahigh-frequency reader and a processor, a server end with multiple application servers, and communication channels comprising a main channel and multiple application channels. The main channel is configured to realize handshake communication between the self-help borrowing and returning device and the server end according to user information. The multiple application channels are in one-to-one correspondence with the application servers, and each application channel is configured to realize transmission of data information or a short message or service information between the self-help borrowing and returning device and the corresponding application server. The ultrahigh-frequency reader replaces the existing high-frequency reader to acquire book information in a book label, and while the size of the label is reduced, the recognition rate of the self-help borrowing and returning device is improved.

The invention provides a security verification defect detection method and device, and electronic equipment, and relates to the field of communications. The method comprises the steps: receiving an encrypted connection establishment request sent by a functional module in a client; establishing encrypted connection with the function module based on the encrypted connection establishment request soas to detect whether the function module has a security verification defect; if the encrypted connection establishment fails, forwarding the data between the functional module and the server in a transparent transmission mode, so as to ensure that after the functional module and the server communicate normally; starting other functional modules associated with the functional module in operation inthe client to operate to perform security verification defect detection. According to the invention, it can be ensured that security verification defect detection can be carried out on each functional module associated with client side operation.