Training
Featured Course View All Courses
Get a Free Hour of SANS Training

Experience SANS training through course previews.

Learn More
Learning Paths
FeaturedView all Focus Areas
NEW - AI Security Training
Can't find what you are looking for?

Let us help.

Contact us
Free Resources

SANS Community Benefits

Connect, learn, and share with other cybersecurity professionals

Customer Case Studies

Discover how organizations and individual cyber practitioners use SANS training and GIAC certifications

AI Risk & Readiness

Explore expert-driven guidance, training, and tools to help defend against AI-powered threats and adopt AI securely

Join the SANS Community

Become a member for instant access to our free resources.

Sign Up
For Organizations

Public Sector

Mission-focused cybersecurity training for government, defense, and education

Partnerships

Explore industry-specific programming and customized training solutions

Sponsorship Opportunities

Sponsor a SANS event or research paper

Interested in developing a training plan to fit your organization’s needs?

We're here to help.

Contact Us
Group Purchasing
Group Purchasing

OS and Application Fingerprinting Techniques

Download File
OS and Application Fingerprinting Techniques (PDF, 2.98MB)Published: 22 Oct, 2008
Created by:
Jon Mark Allen

This paper will attempt to describe what application and operating system (OS) fingerprinting are and discuss techniques and methods used by three of the most popular fingerprinting applications: nmap, Xprobe2, and p0f.