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Chapter 7
WEB Security
HenricJohnson
BlekingeInstituteof Technology,Sweden
http://www.its.bth.se/staff/hjo/
henric.johnson@bth.se
Henric Johnson 1
Outline
• WebSecurity Considerations
• SecureSocketLayer (SSL)and TransportLayer Security (TLS)
• SecureElectronic Transaction (SET)
• Recommended Reading andWEB Sites
Henric Johnson 2
Web Security Considerations
• The WEB isveryvisible.
• Complexsoftware hide many security flaws. • Webserversare easy to configure and manage. • Usersare notaware oftherisks.
Henric Johnson 3
Security facilities in the TCP/IP protocol stack
Henric Johnson 4
SSL and TLS
• SSL wasoriginatedby Netscape
• TLS working groupwasformedwithin IETF
• Firstversion ofTLScan be viewed asan SSLv3.1
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