1. 系統安全 (System security) Sniffer(Wireshark) 之應用 王威展 D9363788 李永祥 D9363505 盧柏任 D9357226

2. Outline 1.Introduction 1.Introduction 2.DEMO 2.DEMO 3.Conclusion 3.Conclusion

3. 1.Introduction What is Wireshark ?? What is Wireshark ?? --principle --principle --function --function --feature --feature

4. 1.Introduction What ’ s up with the name change ?? What ’ s up with the name change ?? Is Wireshark a fork ?? Is Wireshark a fork ??

5. 2. DEMO Wireshark have three pane : Wireshark have three pane : – 封包清單窗格 (packet list pane) – 封包內容窗格 (packet details pane) – 封包位元組窗格 (packet bytes pane)

6. 2. DEMO

8. 解碼 解碼 http://software.hixie.ch/utilities/cgi/unicod e-decoder/utf8-decoder http://software.hixie.ch/utilities/cgi/unicod e-decoder/utf8-decoder

9. BB7 BB7 Netcut Netcut 2. DEMO

10. Netcut

11. 3.Conclusion HUB 搭線 HUB 搭線 無線網路 無線網路 未加密資訊 未加密資訊