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Title page for etd-0511109-142542


URN etd-0511109-142542 Statistics This thesis had been viewed 2290 times. Download 13 times.
Author Yu-Cheng Hsu
Author's Email Address No Public.
Department Communication Engineering
Year 2008 Semester 2
Degree Master Type of Document Master's Thesis
Language zh-TW.Big5 Chinese Page Count 69
Title An Implementation of Blocking Encrypted Instant Messengers such as Skype and QQ
Keyword
  • Iptables
  • Skype
  • QQ
  • Blocking
  • Instant Messenger
  • Instant Messenger
  • Blocking
  • QQ
  • Skype
  • Iptables
  • Abstract This thesis introduces an innovative method, which uses Iptables module of Linux system to establish filter rules that can effectively block encryption Instant Messenger, Skype and QQ. Because Skype and QQ use encryption and private communication protocol, Employees like to use Skype and QQ for not being managed. It is result in information security of managing industry network, so there are every kind of solution on the internet, like blocking particular servers, restricting public ports on network, and analyzing packets for figuring out packet specific. But these solutions can not block Skype and QQ completely in fact. However, this paper provides the solution of using free Iptables to certainly block encryption Instant Messenger, Skype and QQ with no need of extra cost. In the end of this paper will explain the reason why the prior blocking solutions failed, and mention this paper’s experimental result in different environment.
    Advisor Committee
  • Cheng-Jen Tang - advisor
  • Files indicate in-campus access at one year and off-campus not accessible
    Date of Defense 2009-01-09 Date of Submission 2009-05-12


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