Intranet video file monitoring method based on information reduction
A technology for video files and video monitoring, applied in the field of network security, can solve the problem of not finding video files, monitoring, etc., and achieve the effects of low memory usage, improved practicability, and high efficiency
Inactive Publication Date: 2011-09-14
NAT UNIV OF DEFENSE TECH
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Problems solved by technology
However, from the perspective of information monitoring, there are currently many intranet monitoring systems that have not found a system for monitoring video files in the intranet.
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[0042] refer to figure 1 , shows a flow chart of the video file monitoring method of the present invention. It includes monitoring time setting 101, which is used to set the monitoring time, and set the time period for implementing video monitoring on the intranet, that is, the monitoring start time and stop time. When the specified monitoring time is reached, start the monitoring system. The network detection 102 broadcasts an ARP request message to the intranet, and obtains the IP list of the hosts on the intranet according to the received reply message. Network card selection 103, the monitoring host may have multiple network cards, first select the network card used for video surveillance. Port setting 104, set the list of source ports that need to be monitored for each IP address. Since most of the current video information is based on the web, the source port is set to 80 by default. Message interception and shunting 105, carry out message interception and shunting, a...
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The invention provides an intranet video file monitoring method based on information reduction, which comprises a monitoring time setting step for starting a monitoring system while a designated monitoring time is reached; a network detecting step for broadcasting an ARP (Address Resolution Protocol) request message to an intranet and obtaining an IP (Internet Protocol) list of an intranet host according to a received reply message; a network card selecting step for selecting a network card used for video monitoring; a port setting step for setting a source port list needed to be monitored for each IP address; a message intercepting and shunting step for intercepting and shunting the message, intercepting a network original message entering the intranet, and then analyzing the message and establishing a video message cache file; and a video file processing step for opening the video message cache file and rewriting all load contents recorded in the file into a target file according to an ascending sequence of TCP (Transmission Control Protocol) serial numbers so as to obtain the file (the reduced video file). Therefore, by means of the intranet video file monitoring method, higher processing speed and lower resource occupancy are obtained and the intranet video file is monitored.
Description
technical field [0001] The invention relates to the field of network security, in particular to an information restoration-based monitoring method for intranet video files. Background technique [0002] web video [0003] With the popularity of the Internet, online video has gradually become a very important information carrier, and online video traffic also accounts for a very large proportion of the entire Internet traffic. [0004] Online video refers to the online video playback service provided by video websites, which mainly uses video files in streaming media format. Among many streaming media formats, flv format has become the main file that online video relies on due to its small file size and advantages of less client resources. Format. [0005] Video formats can be divided into two categories: local video and video suitable for local playback and network streaming video and video suitable for playback on the network. Although the latter may not be as good as th...
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IPC IPC(8): H04L12/24H04L12/56H04L29/08
Inventor 王天佐王怀民刘波胡华平陈林张静陈新肖枫涛刘明
Owner NAT UNIV OF DEFENSE TECH