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Head-to-head · Network Protocol Analyzers

tcpdump vs Ettercap

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score tcpdump #5 in Network Protocol Analyzers 8.8/10 Free plan Free plan✓ 4 of 5 features Visit tcpdump
Ettercap #7 in Network Protocol Analyzers 8.6/10 Free plan Free plan✓ 5 of 5 features Visit Ettercap

tcpdump leads on 0 checks, Ettercap on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoretcpdump · 8.8/10
  • Free planboth
  • Most featuresEttercap · 5 of 5

tcpdump scores higher on our rubric for network protocol analyzers: 8.8 against 8.6 out of 10; our editors rank them #5 and #7.

On deployment, tcpdump gives you Both where Ettercap offers Desktop.

tcpdump is the better fit for lightweight command-line capture. Ettercap is the better fit for traffic interception and Wi-Fi decryption.

  • tcpdump fits best

    Lightweight command-line capture

  • Ettercap fits best

    Traffic interception and Wi-Fi decryption

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature tcpdump 8.8/10 Visit ↗ Ettercap 8.6/10 Visit ↗
At a glance
Editor score 8.8 8.6
Ranking #5 in Network Protocol Analyzers #7 in Network Protocol Analyzers
Best for Lightweight command-line capture Traffic interception and Wi-Fi decryption
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop, Self-hosted Desktop
Platforms Windows, macOS, Linux Linux, macOS
Support Community, Docs Email, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market
Features tcpdump 4/5 · Ettercap 5/5
PCAP support ✓ ✓
Traffic decryption ✓ ✓
CLI tools ✓ ✓
Remote capture ✓ ✓
Flow analysis Not checked yet ✓ (best)
Specs
Deployment Both Desktop
Capture sources Both Both
Our review
Pros
  • Free and open source across Windows, macOS, and Linux
  • BPF filtering, protocol decoding, and timestamped output
  • PCAP/pcapng handling, rotation, decryption, and remote capture
  • Free and open source with no commercial pricing tier
  • Supports SSL interception and WEP/WPA Wi-Fi packet decryption
  • Combines live sniffing, PCAP handling, filtering, and plugins
Cons
  • Command-line workflow may require technical network knowledge
  • No AI-assisted features
  • Limited confirmed flow analysis and deep inspection
  • Desktop deployment limits it to local analyzer workflows
  • Platform support is focused on Linux and macOS
  • Packet modification and interception require authorized security work
Our verdict

tcpdump is a free, open-source command-line network protocol analyzer for capturing and inspecting traffic. It is suited to network troubleshooting, monitoring, traffic analysis, and security diagnostics across Windows, macOS, and Linux.…

Read the review →

Ettercap is an open-source network security suite for authorized traffic inspection and man-in-the-middle testing. It is aimed at security professionals and network administrators who need to inspect live traffic, analyze protocols, work…

Read the review →
  1. tcpdumpNetwork Protocol Analyzers 8.8Free plan
  2. EttercapNetwork Protocol Analyzers 8.6Free plan

Strengths and trade-offs

  • tcpdump — where it wins

    • Free and open source across Windows, macOS, and Linux
    • BPF filtering, protocol decoding, and timestamped output
    • PCAP/pcapng handling, rotation, decryption, and remote capture

    Where it doesn't

    • Command-line workflow may require technical network knowledge
    • No AI-assisted features
    • Limited confirmed flow analysis and deep inspection
  • Ettercap — where it wins

    • Free and open source with no commercial pricing tier
    • Supports SSL interception and WEP/WPA Wi-Fi packet decryption
    • Combines live sniffing, PCAP handling, filtering, and plugins

    Where it doesn't

    • Desktop deployment limits it to local analyzer workflows
    • Platform support is focused on Linux and macOS
    • Packet modification and interception require authorized security work

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update