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Detecting and positioning method of spam server

A mail server and spam technology, applied in the field of network security in data communication, can solve the problems of not knowing users sending spam, IP address blocking, etc., to reduce detection objects, avoid false positives, and purify the network environment.

Active Publication Date: 2007-11-14
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, ADSL / LAN users build their own SMTP servers, and these users send a large number of spam to foreign mail servers, which has a very bad impact, often causing a large number of IP addresses of domestic telecom operators to be blocked, and the consequences are very serious.
Moreover, at present, telecom operators have not yet mastered the technical means of how to detect and locate the behavior of users sending spam. Therefore, it is urgent for technical personnel in the industry to solve this technical problem as soon as possible.

Method used

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  • Detecting and positioning method of spam server
  • Detecting and positioning method of spam server
  • Detecting and positioning method of spam server

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Embodiment Construction

[0030]In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.

[0031] Asymmetric digital user loop ADSL / LAN users' self-built SMTP server to send spam has the following characteristics: traffic asymmetry, the outbound traffic of the client is greater than the inbound traffic; the proportion of SMTP traffic is large, and the IP address DNS is reversed. The query record does not have MX mark, traceability of IP address and user information; POP3 traffic is low. The method for detecting and locating the spam server of the present invention is established according to the behavior characteristics of the spam.

[0032] Referring to Figure 1, first introduce the network system structure applying the method of the present invention, which is composed of the following main components:

[0033] Spam monitoring and positioning serve...

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Abstract

This invention relates to one garbage servo testing and positioning method, which comprises the following steps: a, finding the legal emails servo distributions and establishing the white list of the legal email servo and preventing the mistaking the legal emails as garbage servo through flow monitoring, statistics and analyzing; b, testing and positioning the garbage email servo according to the garbage servo flow characteristics and requiring and providing the servo relative human information.

Description

technical field [0001] The invention relates to a method for purifying a computer network environment to ensure IP network security, in particular to a method for detecting and locating a spam server, belonging to the technical field of network security in data communication. Background technique [0002] Among all Internet services, the sending, transmitting and receiving of e-mail is the most basic service, and the exchange of information through e-mail is convenient, fast and low-cost. According to statistics, among the most frequently used Internet services, 87.65% of users choose email services, ranking first in Internet services. With the rapid development of Internet services in the world and the increasing number of Internet users, as the most important and basic e-mail service in Internet services, its scale is also expanding around the world. Spam (called Spam in English) is those unsolicited emails that users do not want to receive and have not subscribed to, but...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24
Inventor 金华敏陈珣庄一嵘
Owner CHINA TELECOM CORP LTD
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