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Ethereal vs OpenConnect

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

Ethereal icon
Ethereal
OpenConnect icon
OpenConnect

Ethereal vs OpenConnect: The Verdict

⚡ Summary:

Ethereal: Ethereal is a free and open-source packet analyzer and network protocol analyzer software for Unix-like operating systems. It allows users to examine data from a live network or from a capture file on disk. Ethereal has powerful features to inspect hundreds of protocols, and provides the ability to reconstruct TCP sessions and browse data as it presents itself on the wire.

OpenConnect: OpenConnect is an open-source client for Cisco AnyConnect compatible VPNs. It allows users to securely access private intranet services through an encrypted VPN tunnel.

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 Ethereal OpenConnect
Sugggest Score — —
Category Network & Admin Network & Admin
Pricing Open Source Open Source

Product Overview

Ethereal
Ethereal

Description: Ethereal is a free and open-source packet analyzer and network protocol analyzer software for Unix-like operating systems. It allows users to examine data from a live network or from a capture file on disk. Ethereal has powerful features to inspect hundreds of protocols, and provides the ability to reconstruct TCP sessions and browse data as it presents itself on the wire.

Type: software

Pricing: Open Source

OpenConnect
OpenConnect

Description: OpenConnect is an open-source client for Cisco AnyConnect compatible VPNs. It allows users to securely access private intranet services through an encrypted VPN tunnel.

Type: software

Pricing: Open Source

Key Features Comparison

Ethereal
Ethereal Features
  • Packet capture and real-time network traffic analysis
  • Powerful display filters for analyzing captured data
  • Protocol dissection of hundreds of protocols
  • TCP reassembly and stream following
  • VoIP analysis and RTP streams playback
  • Supports common capture file formats like pcap and pcapng
  • Extensible via plugins and dissectors
OpenConnect
OpenConnect Features
  • Open source VPN client
  • Supports Cisco AnyConnect SSL VPN
  • Supports DTLS and TLS protocols
  • User authentication via certificates or passwords
  • NetworkManager integration
  • Proxy support
  • IPv4 and IPv6 support

Pros & Cons Analysis

Ethereal
Ethereal

Pros

  • Free and open source
  • Available for multiple platforms like Windows, Linux, macOS
  • Rich feature set for deep inspection and analysis
  • Support for wide range of network protocols
  • Active community support and development

Cons

  • Steep learning curve
  • Capturing and analysis limited by available bandwidth
  • Lacks some features found in commercial analyzers
  • User interface not very intuitive
OpenConnect
OpenConnect

Pros

  • Free and open source
  • Works on Linux, macOS, Windows, Android
  • Actively maintained
  • Secure encrypted connections
  • Easy to setup and use

Cons

  • Limited configuration options
  • No official support from Cisco
  • Lacks some AnyConnect features like Always-On VPN
  • Setup can be tricky for novice users

Pricing Comparison

Ethereal
Ethereal
  • Open Source
OpenConnect
OpenConnect
  • Open Source

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Learn More About Each Product

Ethereal
Ethereal
Reviews, pricing & alternatives →
OpenConnect
OpenConnect
Reviews, pricing & alternatives →

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