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Postern vs Shodan

Professional comparison and analysis to help you choose the right software solution for your needs.

Postern icon
Postern
Shodan icon
Shodan

Postern vs Shodan: The Verdict

⚡ Summary:

Postern: Postern is an open-source proxy software that allows users to bypass firewalls and access blocked websites. It works by routing traffic through an external server, masking the user's real IP address.

Shodan: Shodan is a search engine for Internet-connected devices. It allows users to find specific types of devices based on filters like location, ports, banners, and more. Shodan provides visibility into Internet-facing devices and services that are often overlooked or forgotten.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Postern Shodan
Sugggest Score — —
Category Security & Privacy Security & Privacy
Pricing Open Source —

Product Overview

Postern
Postern

Description: Postern is an open-source proxy software that allows users to bypass firewalls and access blocked websites. It works by routing traffic through an external server, masking the user's real IP address.

Type: software

Pricing: Open Source

Shodan
Shodan

Description: Shodan is a search engine for Internet-connected devices. It allows users to find specific types of devices based on filters like location, ports, banners, and more. Shodan provides visibility into Internet-facing devices and services that are often overlooked or forgotten.

Type: software

Key Features Comparison

Postern
Postern Features
  • Open source proxy software
  • Bypasses firewalls and blocked websites
  • Routes traffic through external server
  • Masks real IP address
  • Supports SOCKS and HTTP proxies
  • Available on Windows, Mac, Linux
Shodan
Shodan Features
  • Search engine for Internet-connected devices
  • Find devices based on filters like location, ports, banners, etc
  • Provides visibility into Internet-facing devices and services

Pros & Cons Analysis

Postern
Postern

Pros

  • Free and open source
  • Easy to set up and use
  • Allows access to blocked content
  • Increases privacy and anonymity online

Cons

  • Lower speeds than paid VPNs
  • Limited configuration options
  • Requires third-party server for routing traffic
Shodan
Shodan

Pros

  • Easy to discover Internet-connected devices
  • Powerful search and filtering capabilities
  • Helps identify vulnerabilities and insecure configurations

Cons

  • Requires paid subscription for full access
  • Some consider scanning without permission unethical
  • Exposes sensitive information about devices

Pricing Comparison

Postern
Postern
  • Open Source
Shodan
Shodan
  • Not listed

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Postern
Postern
Reviews, pricing & alternatives →
Shodan
Shodan
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