系統安全 (System security) Sniffer(Wireshark) 之應用 王威展 D 李永祥 D 盧柏任 D

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

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

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

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)

2. DEMO

解碼 解碼 e-decoder/utf8-decoder e-decoder/utf8-decoder

BB7 BB7 Netcut Netcut 2. DEMO

Netcut

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