January 2019
Intermediate to advanced
548 pages
12h 7m
English
The next step is to identify the presence of network-based protective devices, such as firewalls, IDS/IPS, and honeypots. An increasingly common protective device is the Web Application Firewall (WAF).
If a WAF is being used, testers will need to ensure that the attacks, especially those that rely on crafted input, are encoded to bypass the WAF.
WAFs can be identified by manually inspecting cookies (some WAFs tag or modify the cookies that are communicated between the web server and the client), or by changes to the header information (identified when a tester connects to port 80 using a command-line tool such as Telnet).
The process of WAF detection can be automated using the nmap ...
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