30 results about "Address Resolution Protocol" patented technology

The invention discloses a multi-modal attack identification method fusing BMama and difference to guide trans-attention, which comprises the following steps: simulating a false data injection attack, a denial of service attack, an address resolution protocol spoofing attack and a domain name system spoofing attack, collecting physical layer sensor data and network layer flow data, and preprocessing multi-modal data; bMama is constructed to perform dynamic time modeling on multi-modal data, a graph neural network is combined to adversariate a variational auto-encoder, features of a power grid system topology and a communication topology structure are fused, and robustness of potential representation is enhanced through adversarial training; the method comprises the following steps of: guiding feature complementary fusion by using modal difference through a difference guide iteration cross-attention fusion mechanism, improving the capability of distinguishing complex attacks, finally carrying out attack detection and classification on fused modals, and executing end-to-end optimization according to a weighted combination of loss of each part. The method can effectively detect and classify the multi-modal attack in the smart power grid, and enhances the safety and reliability of a complex system.

The invention discloses a water regimen data acquisition dual-machine redundancy method and system, and the system comprises a main machine and a standby machine which are directly connected through an independent heartbeat interface. The main machine periodically sends heartbeat messages and local network configuration information to the standby machine through a heartbeat interface; and the standby machine monitors heartbeat in real time, judges that the main machine is abnormal once not receiving the heartbeat within a preset time, automatically takes over the IP address of the main machine, actively sends an address resolution protocol message according to pre-stored network configuration information so as to quickly update a forwarding table of the network equipment, immediately switches the state of the standby machine to be the main state, and synchronizes the state to a database. According to the method, automatic sub-second fault switching is achieved, the risk of key data loss is greatly reduced, continuity and integrity of water regimen telemetering data are guaranteed, meanwhile, the operation load of a background database is remarkably reduced through a main and standby mode, and the reliability of water regimen telemetering is improved. The problems that the load of the database is too heavy and automatic seamless switching of network channel data acquisition cannot be realized are solved.

A control program executing on a computing device of a computing environment transmits control request information to an adapter module executing within the computing environment. The transmitting uses a control plane transmit queue of a set of queues. The control plane transmit queue identifies a location to store the control request information to be retrieved by the adapter module. The control program receives from the adapter module an indication of another location storing control reply information replying to the control request information. The indication is obtained from a control plane receive queue of the set of queues. The control program retrieves from the another location the control reply information and performs processing based on the control reply information.

This invention relates to the field of communication technology and discloses a method, apparatus, computer device, and storage medium for monitoring server sub-cards. The method for monitoring server sub-cards includes: after the server is powered on, selecting sub-cards supporting the System Management Bus (SMBus) from multiple sub-cards connected to the same I2C integrated circuit bus to obtain a set of sub-cards to be monitored; assigning an address to each sub-card in the set of sub-cards using the Address Resolution Protocol (ARP); and monitoring the sub-cards in the set of sub-cards based on their assigned addresses. This allows each sub-card in the set of sub-cards to have a different assigned address, thus eliminating the need for switching channels via a switch chip when monitoring the same sub-card, and enabling simultaneous monitoring of the same sub-cards, thereby improving monitoring efficiency.

The invention provides a data center monitoring system which can be applied to the technical field of big data and artificial intelligence. The data center monitoring system comprises a user-defined monitoring item module which is used for providing a graphical configuration interface and enabling a user to add, edit or delete monitoring items in a user-defined mode; the automatic sensing module is used for scanning a target network through an address resolution protocol, judging whether new monitored equipment exists or not, responding to the detected new monitored equipment, and automatically triggering a new monitored equipment identification process; the data acquisition module is used for generating and executing an acquisition task according to the monitoring item; the intelligent operation and maintenance module is used for performing early warning by using the monitoring item prediction model and the equipment prediction model, and generating a safety setting interval of the configuration item in response to the occurrence of monitoring item early warning; and the three-dimensional machine room display module is used for generating a three-dimensional model according to the distribution of the monitored equipment. The invention further provides data center monitoring system equipment, a medium and a program product.

The application provides a network anomaly detection and defense method based on historical state comparison, and belongs to the technical field of computer data processing. In the application, a historical legal network state table and a real-time network state table are acquired, and a double-layer verification logic combining initial screening with internet protocol address indexing and accurate judgment with medium access control address indexing is executed, so that the legality of network behavior can be cross-verified in multidimensional data comparison, normal lease behavior of a dynamic host configuration protocol and network attacks such as address resolution protocol spoofing can be effectively distinguished, the false positive rate of anomaly detection is reduced, and multiple types of network anomaly detection scenes including address resolution protocol spoofing, internet protocol address conflict and multi-address violation are widened.

The invention relates to a host fault detection method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: acquiring a network data packet connected with a gateway through a layer 2, and analyzing a source address and a destination address of the network data packet; determining the transmission direction of the network data packet according to the source address and the destination address, and updating the flow marking states corresponding to the source address and the destination address in the address resolution protocol table item according to the transmission direction; under the condition that the detection moment arrives, selecting a to-be-detected host according to each flow mark state in the address resolution protocol table item; and sending an address resolution protocol request for each to-be-detected host, determining a fault detection result of the to-be-detected host according to a response condition of the address resolution protocol request, and updating the address resolution protocol table item according to the fault detection result. By adopting the method, the utilization rate of network bandwidth resources can be improved.

The invention discloses a fully active network segment acquisition method and system suitable for multiple non-direct-connection heterogeneous networks, and belongs to the technical field of computer networks, and the method comprises the steps: for each subsidiary company connected with a mother company through a non-direct-connection heterogeneous network, obtaining a router information calling tool and an equipment interface information calling tool in real time from the mother company; obtaining a service network segment table based on a router information calling tool; obtaining an address resolution protocol table based on an equipment interface information calling tool; forming a minimum subnet list based on the service network segment list; based on a preset IP configuration table and a preset maximum effective use duration, screening out a plurality of latest online network addresses from the address resolution protocol table; screening active network segments based on the minimum subnet list and the nearest online network address; and determining the sub-network information of each active network segment as active network segment information, and transmitting the active network segment information to a mother company. According to the invention, the problem of low detection accuracy of the active network segment in the prior art can be solved.

The application relates to the technical field of cloud computing, and discloses a link aggregation method, device and equipment, the method is applied to a cloud private line controller in a cloud private line disassembly and stacking architecture, the method comprises the following steps: acquiring access point information of at least two access point devices; based on the access point information, allocating aggregation information to the at least two access point devices to instruct the at least two access point devices to perform dynamic link aggregation; in the case that the aggregation is successfully established, acquiring table item information of a first access point device; the first access point device is one of the at least two access point devices; the table item information is generated after the first access point device acquires an address resolution protocol of a customer exit device; and synchronizing information is forwarded to a second access point device. The application has low coupling requirements for the access point devices.

Systems, computer program products, and methods are described herein for implementing real time protocol modifications for address resolutions protocols in a network environment. The present disclosure is configured to identify an address resolution protocol (ARP) cache table comprising an internet protocol (IP) address and a media access control (MAC) address for a communication mapping(s); determine a firewall property(ies) of the ARP cache table for the communication mapping(s); compare the firewall property(ies) to at least one normal firewall property and determine whether the firewall property(ies) is anomalous compared to the normal firewall property(ies); automatically execute a smart contract, wherein the smart contract comprises an authorization protocol(s) for the ARP cache table and an execution of a homomorphic encryption for the ARP cache table; and protect the ARP cache table based on the execution of the smart contract with the authorization protocol(s) and the homomorphic encryption.

The application provides a network fault repair method and system based on multi-protocol detection, and relates to the technical field of network communication, which comprises the following steps: collecting link layer discovery protocol, address resolution protocol, routing table and bidirectional forwarding detection session state information; constructing a directed graph model comprising a plurality of nodes and links; identifying a primary path of current traffic according to the bidirectional forwarding detection session state information, and determining a fault link segment according to the primary path; generating a dynamic state identifier set according to the address resolution protocol, the routing table and the fault link segment; and generating a candidate optimized path according to the directed graph model and the dynamic state identifier set. Three key states, i.e., forwarding reachability, policy blocking and link fault, are accurately identified. The dynamic state identifier set truly reflects the actual carrying capacity of a link to service traffic, and fundamentally avoids the problem of traffic black hole after switching caused by misjudgment of routing reachability, i.e., forwarding reachability.

This disclosure provides an Address Resolution Protocol (ARP) attack detection method and system, comprising: sending probe data packets to key network nodes from a host and calculating the round-trip time; determining whether network behavior is abnormal based on the round-trip time; if so, extracting the mapping relationship; obtaining a legitimate mapping benchmark; determining whether the MAC addresses corresponding to the IP addresses are consistent; if so, continuing periodic probing; otherwise, marking cached entries as suspicious infected entries; constructing and sending ARP request data packets to the network based on the IP addresses corresponding to the suspicious infected entries; receiving the ARP request data packets and performing consistency verification; determining whether the consistency verification result contains ARP spoofing attack behavior; if so, performing overwrite repair and converting the repaired entries into static entries; otherwise, continuing periodic probing; otherwise, sending the probe data packets to the key network nodes.

The embodiment of the invention relates to the technical field of communication, and provides an MAC address acquisition method and device, equipment and a storage medium, which can be applied to a first AP. The method comprises the following steps: receiving an address resolution protocol (ARP) request frame sent by station equipment (STA), wherein the ARP request frame is used for requesting to acquire an MAC address corresponding to a target IP address included in the ARP request frame; and sending the ARP request frame to the second AP. According to the embodiment of the invention, when the STA is switched between the APs, the MAC address corresponding to the target IP address in the ARP request frame can be effectively obtained.

In an embodiment, a method includes receiving an address-resolution-protocol (ARP) request at a first edge device from a first host device, advertising a first remote route associated with a first flag indicating the first edge device operates in a layer-3 optimized integrated-routing-and-bridging (IRB) mode by the first edge device based on the ARP request, receiving the first remote route at a second edge device from the first edge device, responsive to detecting the first flag by the second edge device, installing the first remote route into a layer-2 routing information base (RIB) associated with the second edge device.

This application discloses an IP asset management method and apparatus, a non-volatile storage medium, and an electronic device. The method includes: obtaining the Address Resolution Protocol (ARP) table of a switch within a local area network (LAN), and generating an IP asset management table based on the target set in the ARP table; binding IP addresses to corresponding MAC addresses based on their status and attributes; determining IP addresses experiencing state transitions based on ARP packets within the LAN, and generating an IP asset state transition table based on these state transitions; displaying the IP asset state transition table, receiving the audit results of the table, and managing the IP addresses based on the audit results and transition statuses. This application solves the technical problem of low efficiency in IP asset processing caused by the lack of dynamic monitoring of IP asset state changes in related technologies for enterprise networks.

Address Resolution Protocol (ARP)-proxy update for roaming client devices may be provided. A client device may query for a list of active Internet Protocol (IP) addresses used by the client device. Next, the client device may determine that an Access Point (AP) supports a collaborative IP exchange function. Then the client device may send, in response to determining that the AP supports the collaborative IP exchange function, the list of active Internet Protocol (IP) addresses to the AP.

The invention provides a resource access method and device, electronic equipment and a storage medium, and the method comprises the steps: detecting the change of a real network address of resource equipment in real time based on a response message of an address resolution protocol (ARP) in a broadcast domain where the resource equipment is located and a physical address of the resource equipment; under the condition that the change of the real network address of the resource equipment is detected, based on the changed real network address, updating a mapping relation between the virtual network address and the real network address of the resource equipment; and performing resource access on the resource equipment based on the updated mapping relation. According to the method and device, the electronic equipment and the storage medium provided by the invention, the mapping relation can be correspondingly updated along with the change of the real network address, and resource access is performed on the resource equipment based on the updated mapping relation, so that the resource access can support the change of the real network address of the resource equipment, and the resource access efficiency is improved. Therefore, the reliability and the stability of resource access are ensured.

A control program executing on a computing device of a computing environment transmits control request information to an adapter module executing within the computing environment. The transmitting uses a control plane transmit queue of a set of queues. The control plane transmit queue identifies a location to store the control request information to be retrieved by the adapter module. The control program receives from the adapter module an indication of another location storing control reply information replying to the control request information. The indication is obtained from a control plane receive queue of the set of queues. The control program retrieves from the another location the control reply information and performs processing based on the control reply information.

This application discloses an ARP proxy optimization method and device based on BMC, relating to the field of data processing technology. The method includes entering an ARP frame proxy state upon receiving an enable command from the host, listening for and parsing ARP frame addressing commands to obtain a first IP address included in the ARP frame addressing command; when the IP address in the first IP address addressing command is the same as the host's second IP address, sending the pre-stored MAC address corresponding to the second IP address to the ARP frame addressing command sender. This method completely eliminates the wake-up power consumption generated by the host in response to ARP requests. Through the BMC proxy mechanism, it overcomes the strong dependence of the ARP protocol on the online status of the physical host, achieving decoupling between network identity and physical power consumption status.

The invention discloses a communication method and system and a storage medium, and the communication method comprises the steps: distributing a virtual MAC address for a terminal on a source PSA-UPF; the triggering request is switched from the source PSA-UPF to the target PSA-UPF; the virtual MAC address is drifted to the target PSA-UPF; and the target PSA-UPF sends the free address resolution protocol of the virtual MAC address of the terminal. According to the invention, the downlink continuity of the data plane can be ensured, the addressing of the terminal by the external data network can be carried out through the virtual MAC address before and after switching, and the change of the bottom layer PSA-UPF does not need to be sensed, so that the downlink data stream can be seamlessly switched from the source PSA-UPF to the target PSA-UPF, and the data interruption and data packet loss are avoided.

This disclosure relates to the field of network communication technology, and in particular provides a message processing method, apparatus, electronic device, storage medium, and program product. The message processing method is applied to a cloud gateway forwarding plane node based on Vector Packet Processing (VPP), and includes: in response to detecting that the type of the uplink inner packet is an Address Resolution Protocol (ARP) request packet, adjusting the ingress interface of the uplink inner packet to the uplink physical interface, wherein the uplink inner packet corresponds to the original packet sent by the terminal; pointing the next processing node of the uplink inner packet to an ARP proxy node in the cloud gateway forwarding plane node; and generating an ARP proxy response packet corresponding to the uplink inner packet based on the uplink physical interface through the ARP proxy node. This method, by implementing ARP packet proxy processing locally on the cloud gateway forwarding plane, can reduce the processing complexity and resource consumption of the cloud gateway forwarding plane, and improve message forwarding efficiency.

The invention discloses a vehicle-mounted remote communication terminal Ethernet fault recovery method and device and a storage medium, and relates to the technical field of communication, and the method comprises the steps: in the communication process of a vehicle-mounted remote communication terminal, if the connection state of a transmission control protocol is abnormal, obtaining the accessibility of a central electronic module; under the condition that the reachability of the central electronic module is in a reachability state, determining a first target fault recovery strategy based on the reachability of the man-machine interaction terminal, the abnormal condition of an address resolution protocol cache table related to the man-machine interaction terminal and the loss condition of multicast routing, so as to perform fault recovery based on the first target fault recovery strategy; and under the condition that the reachability of the central electronic module is in an unreachable state, determining a second target fault recovery strategy based on an abnormal condition of an address resolution protocol cache table related to the central electronic module, and performing fault recovery based on the second target fault recovery strategy. According to the method, the fault recovery efficiency and success rate can be improved.

A live streaming method for a local area network, a storage medium, and a computer device are provided. The live streaming method is applied to a live streaming system for a local area network, the live streaming system for a local area network includes a live streaming terminal, a target media server and a client that access the local area network. The method includes: a live streaming terminal accessing a local area network; determining, by the live streaming terminal, a target media server that accesses the local area network based on a multicast protocol mechanism or an address resolution protocol scanning mechanism; acquiring, by the live streaming terminal, a live streaming room number of the target media server; and pushing, by the live streaming terminal, a live streaming content to a client connecting to the live streaming room number by using the target media server.

Systems, computer program products, and methods are described herein for implementing real time protocol modifications for address resolutions protocols in a network environment. The present disclosure is configured to identify an address resolution protocol (ARP) cache table comprising an internet protocol (IP) address and a media access control (MAC) address for a communication mapping(s); determine a firewall property(ies) of the ARP cache table for the communication mapping(s); compare the firewall property(ies) to at least one normal firewall property and determine whether the firewall property(ies) is anomalous compared to the normal firewall property(ies); automatically execute a smart contract, wherein the smart contract comprises an authorization protocol(s) for the ARP cache table and an execution of a homomorphic encryption for the ARP cache table; and protect the ARP cache table based on the execution of the smart contract with the authorization protocol(s) and the homomorphic encryption.

A method and an electronic device for traffic tunneling in a distributed network for detecting malicious content are provided. The method comprises: transmitting, to a central server, a request for receiving a gateway data from a given gateway; in response to receiving the gateway data, adding the given gateway as a peer to a WireGuard interface of an electronic device; transmitting, to the central server, an Address Resolution Protocol (ARP) probe which is indicative of whether the electronic device is ready to establish a p2p connection with the given gateway; in response to receiving a response to the ARP probe, updating the gateway data in a neighbor table hosted on the given emitter; transmitting an outgoing traffic packet to the given gateway for natting; in response to receiving, from the given gateway, an incoming traffic packet, analyzing a content of the incoming traffic packet for maliciousness.

The invention provides an ARP (Address Resolution Protocol) request sending method, system and device and a program product. The method comprises the following steps: acquiring a current packet loss rate; determining the lowest sending frequency corresponding to the current packet loss rate based on the incidence relation between the preset packet loss rate and the lowest sending frequency of the ARP request; in the association relationship, the larger the packet loss rate is, the larger the corresponding lowest sending times is; the ARP request is used for requesting the target equipment to reply a data link layer physical address of the target equipment; calculating the sending interval time of the ARP request according to the lowest sending frequency and a preset ARP life cycle, so that the sending frequency of the ARP request in one ARP life cycle is greater than or equal to the lowest sending frequency when the sending interval time is adopted to send the ARP request; and sending the ARP request to the target device based on the sending interval time. According to the invention, the problem of communication interruption caused by easy loss of the ARP cache in the scene of large packet loss rate is relieved.

The embodiment of the invention discloses a cloud communication method and device, equipment, a storage medium and a product, and the method comprises the steps: achieving media access control address learning between an on-cloud host and an off-cloud host through boundary gateway protocol speaking equipment based on a media access control address table proxy address resolution protocol request; an extensible virtual local area network tunnel is established between the under-cloud extensible virtual local area network switch and the on-cloud two-layer gateway device; packaging a two-layer data message through the extensible virtual local area network tunnel to realize two-layer data message transmission from the network under the cloud to the network on the cloud; and decapsulating the two-layer data message through the extensible virtual local area network tunnel to realize two-layer data message transmission from the network on the cloud to the network under the cloud.

The embodiment of the invention provides a physical resource capacity expansion method and device, electronic equipment and a storage medium, belongs to the technical field of load distribution, and can be applied to the fields of finance and medical treatment. The method comprises the following steps: acquiring the resource utilization rate of each piece of load balancing equipment; if the first resource utilization rate of the first load balancing device is greater than or equal to a first preset utilization rate, recording a first forwarding configuration of a first virtual service in the first load balancing device; determining a second load balancing device in the load balancing devices; creating a new first virtual service in the second load balancing device, and setting the forwarding configuration of the new first virtual service as the first forwarding configuration; and refreshing an address resolution protocol of the second load balancing device, and deleting the first virtual service in the first load balancing device. According to the invention, automatic capacity expansion of the load balancing equipment can be realized, and the efficiency and accuracy of physical resource capacity expansion are improved.

An information processing system may include a memory and at least one processor. The information processing system may be configured to receive multiple Address Resolution Protocol (ARP) packets based on requests transmitted from a pre-configured system to multiple network addresses; determine one of the multiple network addresses as a potential network address based on the content of the multiple ARP packets; determine a potential gateway address based on the content of the multiple ARP packets; and use the potential network address to attempt to communicate with the pre-configured system via the potential gateway address.

The application relates to a network card fault processing method and device, a storage medium and electronic equipment. The method comprises the following steps: setting an identifier for each node physical network card, establishing a transmission control protocol connection between the corresponding physical network cards of different nodes according to the identifier of the physical network card; detecting the connection state of the transmission control protocol connection; in response to detecting that a target connection state is abnormal, performing blocked connection detection on the target connection, determining a fault type according to the blocked connection detection result of the blocked connection detection, performing network connection exception processing in response to the fault type being a network connection exception, determining a target physical network card from the non-fault physical network cards of a node in response to the fault type being a physical network card fault, switching a virtual network address carried by a fault physical network card to the target physical network card, and updating a routing table item and an address resolution protocol table item. The method can shorten the fault recovery time and improve the device resource utilization rate.