A port detection method and device
A port and network port technology, applied in the field of computer networks, can solve problems such as the difficulty of determining the device that opens the specified service port
Active Publication Date: 2019-09-17
NEW H3C TECH CO LTD
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[0006] In view of the above problems, an embodiment of the present invention is proposed to provide a port detection method and a corresponding port detection device that overcome the above problems or at least partly solve the above problems, so as to solve the problem that the existing network topology diagram is difficult to determine the opening Problems with devices that specify service ports, and facilitate maintenance of the network system by technicians
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[0023] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0024] At present, network management software (referred to as network management software) can manage networks through network management / network configuration protocols such as Simple Network Management Protocol (Simple Network Management Protocol, SNMP) / Network Configuration Protocol (Network Configuration Protocol, Netconf), and can learn network topology, And it is displayed to the user through graphics, but for network terminals, such as personal PCs and servers, it cannot be displayed vividly (specifically, the functions enabled by the terminal cannot be displayed). Therefore, the network topology drawn by the existing network management software cannot reflect the terminal equipment that opens a certain service port, that i...
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The embodiment of the invention provides a port detection method and device. The method comprises the steps: determining a network segment address corresponding to a target port according to a specific network node; scanning hosts in the range of the network segment address, and determining active hosts; carrying out the port scanning of all active hosts, and determining the active host with the specific port being started as target equipment; obtaining the host information of the target equipment, and generating and exhibiting a corresponding network service topology. According to the embodiment of the invention, the method can detect the positions of the active hosts and various provided services, achieves the detection of the network topology of a server, can detect the network service topology which interests a user, and solves a problem that a convention network topology is difficult to determine the equipment with the specific port being started.
Description
technical field [0001] The invention relates to the technical field of computer networks, in particular to a port detection method and a port detection device. Background technique [0002] With the continuous expansion of the network, the number of access devices increases gradually, and the network structure becomes increasingly complex. Usually, the network topology diagram is used to indicate the location of the device, the name type of the device, and the connection medium type between the devices, so that the technicians can understand the distribution and connection status of the devices between the networks. [0003] Taking the network system supporting Link Layer Discovery Protocol (LLDP) as an example, in the existing network management, all the devices connected to the network system, such as switches and routers, can be drawn through the network topology map. Wait for the second and third layer equipment, and even the server. [0004] However, the network topol...
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IPC IPC(8): H04L12/24H04L12/26
Inventor 顾雷雷王伟
Owner NEW H3C TECH CO LTD