CN104065638A

CN104065638A - Method for preventing mail bomb attack based on mail service space reservation

Info

Publication number: CN104065638A
Application number: CN201310367204.4A
Authority: CN
Inventors: 武开有
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-08-16
Filing date: 2013-08-16
Publication date: 2014-09-24

Abstract

The invention discloses a method for preventing mail bomb attack based on mail service space reservation. By adopting the method, a user with a higher priority can use electronic mail service normally when a user mailbox is under mail bomb attack. The method is mainly technically characterized in that a priority method of a user mail is determined on the basis of a user white list and mail keywords, and a method for determining the size of a preserved service space is determined according to user demand. Determination of the user mail priority and programming of a preserved space size module are realized by adopting a programming language, and the method can be applied to a mail user agent (MUA) in an electronic mail server. The user can configure the priority of the mail user and setting of the preserved space size in an MUA module, and users of different priorities can enter corresponding mail service spaces.

Description

A kind of method that prevention mail bomb based on mail service space to be preserved is attacked

(1) technical field

The present invention relates to a kind of method of preventing mail bomb to attack, especially the method in the reserved mail service of employing space is prevented the attack of mail bomb.

(2) background technology

At present, e-mail bomb attack prevention mainly take the measures such as Spam filtering method and mail revene lookup method (list of references is: [1] Zhang Lei. the anti-spam technologies research [D] based on text classification. Chengdu: University of Electronic Science and Technology, 2008; [2] Dong Jianshe. collaboration type Spam filtering key technology research [D]. Lanzhou: Lanzhou University of Science & Technology, 2009.).Wherein, the limitation that filtrating mail method exists spam to be bypassed and normal email is reported by mistake still has a large amount of spams to enter user mail service clearance when attacked by mail bomb; Revene lookup method only can identity verification, but can not confirm its legal identity, cannot stop assailant to take different approach to initiate mail bomb and attack.

(3) summary of the invention

A. technical problem to be solved by this invention: the limitation existing in defence mail bomb is attacked in order to overcome Spam filtering and mail revene lookup method, proposed a kind of method that prevention mail bomb based on mail service space to be preserved is attacked, can guarantee that responsible consumer is normally used e-mail system.

B. the technical solution adopted in the present invention:

1, definite rule of Email priority.Mainly adopt priority based on white list to determine that method and the priority based on keyword determine method, wherein the priority based on white list determines that method is according to the importance of user in addresses of items of mail white list, addresses of items of mail is carried out to priority is determined and classification; Priority based on keyword is determined in method, Email content generally includes mail matter topics field, sender's field, recipients fields, make a copy for people's field, message body etc., determines the priority that receives Email according to the keyword that whether contains setting in Mail Contents.

2, the reserved service clearance size of mail determines.Generally, the service clearance size of E-mail address is fixed, and for the high user's headspace of priority will cause too greatly the resource utilization in mail service space low, headspace too young pathbreaker causes the mail service space of responsible consumer not enough.Can be according to user's real needs in the present invention, headspace size can be set to headspace fixed size and self adaptation is dynamically adjusted two kinds of modes of size.Headspace is set in the situation of fixed size, and the mailbox space of distributing to responsible consumer and domestic consumer can not change; Headspace can dynamically be adjusted big or small situation, the situation that takies mailbox service space size according to responsible consumer is dynamically adjusted headspace size, in the situation that meet the user mail that priority is high, can normally use E-mail service, make Email space can at utmost receive Email.

3, according to the importance of Email, divide after priority, Email and reserved service clearance that priority is high carry out memory space mapping, make the Email that priority is high enter the reserved service clearance of mailbox, thereby guarantee that the Email User that priority is high can normally be used E-mail service after attacked by mail bomb.

C. beneficial effect of the present invention: the prevention mail bomb attack method based on mail service space to be preserved that the present invention proposes, can effectively avoid overflowing in the E-mail service space that attacked by e-mail bomb to cause and cannot receive the problem of new mail, guarantee that the mail user that priority is high can normally be used e-mail system, and then avoid user owing to suffering mail bomb to attack economic loss and the unknown losses bringing.

(4) accompanying drawing explanation

Figure of description has provided the mail bomb attack-defending flow chart based on mail service space to be preserved method, Email arrives the mail server that receives user through network, according to anti-rubbish mail strategy, Email is carried out to preliminary treatment, the mail that anti-rubbish mail strategy can not be processed is further processed as normal email; The priority level that decides mail for separation controller, according to keyword of the addresses of items of mail of mail and Mail Contents etc., judge the priority of user mail, the user mail of different priority is enjoyed different mail Simulation spatial services, the user of high priority can enter the reserved service clearance in mailbox service space, and the user mail of low priority enters the generic services space in mailbox service space; Mail scheduling is sorted according to user mail priority level, and mail is put into different service areas; Decision Control decides the service clearance of mail arrives according to the priority level of the receiving ability of mail service space to be preserved district and general area and mail.

Embodiment

Utilize programming language that user mail priority is determined to method and mail headspace size determines that method carries out module programming, again these modules are increased in the email protocol of practical application, mail user agent MUA in e-mail server can configure the setting of priority and the headspace size of mail user, makes the Email that priority is high can enter reserved service clearance.

Claims

1. the method that the prevention mail bomb based on mail service space to be preserved is attacked, is characterized in that: give the reserved mailbox service of user email that priority is high space, guarantee that the user that priority is high normally uses e-mail system.

2. the method that prevention mail bomb based on mail service space to be preserved according to claim 1 is attacked, the priority that it is characterized in that user mail determines that the priority adopting based on user's white list determines that method and the priority based on keyword determine method.

3. the method that prevention mail bomb based on mail service space to be preserved according to claim 1 is attacked, is characterized in that method to the high user mail headspace of priority comprises that headspace fixed size and self adaptation dynamically adjust big or small method.

4. method of attacking based on the reserved prevention mail bomb of service clearance according to claim 1, it is characterized in that the mail user agent MUA in e-mail server can configure the priority of mail user and can arrange headspace size, makes user mail enter corresponding mail service space according to the height of priority.