Complete Guide to Shodan

Jul 7, 2026

Upload by Aurora

Complete Guide to Shodan explains how the Shodan search engine discovers and analyzes Internet-connected devices. The content covers data collection, SSL inspection, search fundamentals, query construction, filters, facets, and the Shodan search engine and maps. It also provides practical workflows using web interfaces, Shodan command-line tooling, browser plug-ins, Maltego integration, and the developer API, including usage limits and example data sets. Appendices summarize banner specifications, search filters, facets, ports, and exercise solutions.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages92

Reading Time3 h 52 min

Introduction

All About the Data

Data Collection

SSL In Depth

Beyond the Basics

Web Interfaces

Search Query Explained

Introducing Filters

Shodan Maps

Shodan Exploits

Shodan Images

Exercises: Website

External Tools

Shodan Command-Line Interface

Maltego Add-On

Browser Plug-Ins

Exercises: Command-Line Interface

Developer API

Usage Limits

Introducing Facets

Getting Started

Initialization

Host Lookup

Scanning

Real-Time Stream

Network Alert

Example: Public MongoDB Data

Exercises: Shodan API

Industrial Control Systems

Securing Internet-Connected ICS

Appendix A: Banner Specification

Appendix B: List of Search Filters

Appendix C: Search Facets

Appendix D: List of Ports

Appendix E: Sample SSL Banner

Exercise Solutions

Complete Guide to Shodan Collect. Analyze. Visualize. Make Internet Intelligence Work for You. John Matherly This book is for sale at [http://leanpub.com/shodan](http://leanpub.com/shodan)[ ](http://leanpub.com/shodan)[This version was published on 2016-10-10](This version was published on 2016-10-10) This is a Leanpub book. Leanpub empowers authors and publishers with the Lean Publishing process. Lean Publishing is the act of publishing an in-progress ebook using lightweight tools and many iterations to get reader feedback, pivot until you have the right book and build traction once you do. © 2015-2016 Shodan, LLC Tweet This Book! Please help John Matherly by spreading the word about this book on Twitter! The suggested hashtag for this book is \#shodan. Find out what other people are saying about the book by clicking on this link to search for this hashtag on Twitter: [https://twitter.com/search?q=\#shodan](https://twitter.com/search?q=#shodan) Contents Introduction ............................................ 1 All About the Data ....................................... 1 Data Collection ........................................ 3 SSL In Depth .......................................... 4 Beyond the Basics ....................................... 7 Web Interfaces ........................................... 10 Search Query Explained .................................... 10 Introducing Filters ....................................... 11 Shodan Search Engine ..................................... 12 Shodan Maps .......................................... 18 Shodan Exploits ........................................ 25 Shodan Images ......................................... 26 Exercises: Website ....................................... 28 External Tools ........................................... 29 Shodan Command-Line Interface ............................... 29 Maltego Add-On ........................................ 37 Browser Plug-Ins ........................................ 37 Exercises: Command-Line Interface ............................. 38 Developer API ........................................... 39 Usage Limits .......................................... 39 Introducing Facets ....................................... 40 Getting Started ......................................... 41 Initialization .......................................... 41 Search ............................................. 41 Host Lookup .......................................... 43 Scanning ............................................ 43 Real-Time Stream ....................................... 44 Network Alert ......................................... 45 Example: Public MongoDB Data ............................... 48 Exercises: Shodan API ..................................... 53 CONTENTS Industrial Control Systems .................................... 54 Common Abbreviations .................................... 54 Protocols ............................................ 54 Securing Internet-Connected ICS ............................... 56 Use Cases ............................................ 56 Appendix A: Banner Specification ................................ 66 General Properties ....................................... 66 Elastic Properties ........................................ 66 [HTTP](HTTP)(S) Properties ...................................... 67 Location Properties ...................................... 67 SSH Properties ......................................... 68 SSL Properties ......................................... 68 ISAKMP Properties ...................................... 68 Special Properties ....................................... 69 Example ............................................ 69 Appendix B: List of Search Filters ................................ 71 General Filters ......................................... 71 [HTTP Filters

FAQs

What is Shodan and what does it search for?

Shodan is a search engine for Internet-connected devices, enabling discovery and analysis beyond traditional web indexing.

How do filters and facets improve Shodan searches?

Filters refine results using attributes relevant to services and protocols, while facets organize and narrow discovery by structured categories such as HTTP, SSL, SSH, and Telnet.

What tools and interfaces does the guide cover for using Shodan?

The guide covers web interfaces, the Shodan search engine and maps, command-line usage, Maltego add-ons, browser plug-ins, and a developer API with usage limits.

Jul 7, 2026

Upload by Aurora