User posting process: poster →ISP→ server custodian → server;

Network police tracking process: network supervisor → server IP→ poster IP→ poster ISP→ file.

The choice of network monitoring software is very strict:

Molded products (1) conforming to current national and industrial standards shall be adopted.

(2) All equipment in the system must be produced by a manufacturer with a production license. The equipment shall have the manufacturer's nameplate or trademark, inspection certificate and instruction manual.

Basic functions of Internet monitoring software:

Traffic monitoring, bandwidth limitation of upstream and downstream separated traffic, concurrent connection limitation, FTP command monitoring, TELNET command monitoring, network behavior audit, operator audit, soft gateway function, port mapping and PPPOE dial-up support, monitoring of sending files through WEB, monitoring of sending files through IM chat tools, etc.

It should include the following basic functions: intranet monitoring, screen monitoring and video recording, software and hardware asset management, hardware prohibition such as CD-ROM and USB, application software restriction, print monitoring, ARP firewall, news release, log alarm, automatic backup function of remote files, prohibition of modifying local connection properties, prohibition of file transmission by chat tools, monitoring of sending files through web pages, and remote file resource management.

Baidu encyclopedia-network monitoring