... by Cole Porter
Web Security
Web Security
Web now widely used by business,
Web now widely used by business,
government, individuals
government, individuals
but Internet & Web are vulnerable
but ... Stallings
Lecture slides by Lawrie Brown
Lecture slides by Lawrie Brown
Chapter 17 – Web Security
Chapter 17 – Web Security
Use your mentality
Use your mentality
Wake...
... achieve security goals, to eliminate common security
exploits, and to secure the emerging class of rich, cross-
domain Web applications referred to as Web 2.0.
In order to support end-to-end security, ... client Web browser.
Most Web applications aim to enforce simple, intu-
itive security policies, such as, for Web- based email, dis-
allowing any scripts in untrusted email me...
... but a set of rules for how
applications should share information
Chapter 6: Web Security
Security+ Guide to Network Security
Fundamentals
Second Edition
ActiveX (continued)
•
ActiveX controls ... (continued)
•
The 8.3 naming convention introduces a security
vulnerability with some Web servers
–
Microsoft Internet Information Server 4.0 and other Web
servers can inherit privil...
... identify any security vulnerabilities in
SimpleWebServer?
What Can Go Wrong?
Denial of Service (DoS):
•
An attacker makes a web server
unavailable.
•
Example: an online bookstore’s web server ... st.nextToken();
DoS on SimpleWebServer?
•
The web server crashes
•
Service to all subsequent clients is denied
until the web server is restarted
How Do We Fix This?
•
The web server sh...
...
Runs
Runs
ASP.dll
Any wildcard
Any wildcard
mappings
mappings
WEB3 43
WEB3 43
ASP.NET and IIS: New
ASP.NET and IIS: New
Developments in Web Security
Developments in Web Security
With IIS 6.0 and ASP.NET
With IIS ... Module
<identity
<identity
user=
user=
password=
password=
Web. Config
Web. Config
ASP.NET 2.0 Security Info
ASP.NET 2.0 Security Info
Application imper...
... Security
both provide a secure transport connection between
applications (e.g., a web server and a browser)
SSL was developed by Netscape
SSL version 3.0 has been implemented in many web ... Protocol
SSL
Alert
Protocol
applications
(e.g., HTTP)
applications
(e.g., HTTP)
TCP
TCP
IP
IP
Web security:
SSL and TLS
30
TLS vs. SSL cont’d
finished message
PRF( master_secret,
“cl...
... 10 – WEB SECURITY AND PRIVACY
10.1 Fundamentals of Web Security
What you do on the World Wide Web is your business. Or so you would think. But it's just not
true. What you do on the web is ... control.
12
LESSON 10 – WEB SECURITY AND PRIVACY
RAV What it means Web Examples
Usability A way to prevent the user from
having to make security decisions
about interacting wit...
... 1: Introduction to Web Security
Lesson: Why Build Secure Web Applications?
!
Why Is Security So Important?
!
Challenges Involved in Implementing Security
!
Threats to Web- Accessible Assets
!
Who ... Introduction to Web Security
Challenges Involved in Implementing Security
# Developers and management think that
security does not add any business value
# Managers...
... still potential to develop superior three-line system japonica hybrid
rice. For example, three-line japonica rice hybrids, such as Liao-You 5218 and Liao-You 1052,
demonstrate high yield potential ... nitrogen use efficiency, and disease resistance.
14
3. IMPROVED FOOD SECURITY AND OTHER SOCIAL BENEFITS
Food Security
China has been facing the dual pressures of increasing populat...