network security management ─mail

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1 Network Security Manag ement ─Mail Student A0933340 吳吳吳

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Network Security Management ─Mail. Student : A0933340 吳守宏. Springboard. Mail is an invasive springboard. Fishing Program e-bay 、 yahoo E-mail Horse 、 bad intension programs bank 、 sensitivity data Worms Test Mail 、 backdoor Advertised mail - PowerPoint PPT Presentation

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Page 1: Network Security Management                               ─Mail

1

Network Security Management

─Mail

Student : A0933340 吳守宏

Page 2: Network Security Management                               ─Mail

2

Springboard

Mail is an invasive springboard. Fishing Program

e-bay 、 yahoo E-mail

Horse 、 bad intension programs bank 、 sensitivity data

Worms Test Mail 、 backdoor

Advertised mail Yahoo vs. Google

Page 3: Network Security Management                               ─Mail

3

Spam Mail

Send exact the same e-mail to lots of people without permitting.

The contents of the mails almost are the commercial ads which is irrelevant to receiver.

Page 4: Network Security Management                               ─Mail

4

Effect

The mail server is always overloading because of sending lots of mails in a short time.

The receivers need to waste time and money to take these mails.

Page 5: Network Security Management                               ─Mail

5

Mail Got

Search privately Web site 、 forum 、 BBS

Search publicly Special communities commerce

Search illegally Invade mail server

Perl Regular Express

Page 6: Network Security Management                               ─Mail

6

Mail Send

POP3 protocol Yahoo 、 Google……Mail Server

Perl Mail :: Sendmail 、 Mail :: Bulkmail

BBS Group mail

Page 7: Network Security Management                               ─Mail

7

Mail Defense

Enterprises drive anti-spam box Google 、 Yahoo expensed box 、 U-mail

Antivirus software Kaspersky

Intelligent spam filter SimpleAct ( SpamX )、 SV3000 Anti-Spam 、 Spam

Trap

Mail Server Relay Website to detect

Page 8: Network Security Management                               ─Mail

8

Mail Defense (con’t)

Perl Mail :: Audit 、 Mail :: SpamAssassin

Brightmail Probe Network

Multilayer anti-spam mechanism Detect mail , analyze and beat Set up the rules and make out Resist the newest way to send spam

Page 9: Network Security Management                               ─Mail

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The End