citec con1-tor truly anonymous
TRANSCRIPT
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The Real ThreatTOR : The Truly Anonymous
LuC1F3RLuC1F3R
Information Security ConsultantPenetration Tester
Security Researcher
ACIS Professional CenterACIS Professional Center
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Outline
- Introduction to Tor Network- How to Bypass ISP’s Blacklist- How to Tor Work- How to Detect Tor- Tor VS. Proxy- Anonymity with Tor- DEMO
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Introduction Tor Network
- Anonymous Proxies- Hide the real IP Address (Http_x_forwarded_for Header don’t sent)
- Can’t Detect the real source address- Bypass ISP’s Blacklist
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ISP’s Blacklist
User
Web site
Internet
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ISP’s Blacklist (Cont)
User
Blacklist
www.xxx.com
………
………
Equipments
Your website was block by ISP
Web site (www.xxx.com)
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Bypass ISP’s Blacklist By Tor
User
Blacklist
www.xxx.com
………
………
Web site (www.xxx.com)
…....
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How to Tor work: 1
Tor node
Unencrypted link
Encrypted link
John
Smith
David
Mary
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How to Tor work: 2
Tor node
Unencrypted link
Encrypted link
John
Smith
David
Mary
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How to Tor work: 3
Tor node
Unencrypted link
Encrypted link
John
Smith
David
Mary
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Tor Map
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How to Detect Tor
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How to Detect Tor
IP: 203.144.143.2X: 58.8.14.224
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How to Detect Tor
IP: 192.251.226.205X: -
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Tor vs. Proxy
SSLSSL
Internet
PolicyPolicy SSLSSL
InternalNetwork
User
Apps
SSL Provides a Private Link for Legitimate Apps,Plus Malware, Confidential Info, Unsanctioned Traffic, Non-SSL Traffic
See SSL traffic Control SSL traffic
Detect and Prevent threats How users are being impacted
Ensure a “trusted” Web session Apply effective Web traffic policies
Determine if bandwidth is adequate Provide useful reports to management
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Anonymous Proxies in Browser
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Checking Source Address
CH-ChinaISP CHINANET
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The Real Address
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DEMO