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Arpwatch vs tcpdump

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

Arpwatch icon
Arpwatch
tcpdump icon
tcpdump

Arpwatch vs tcpdump: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Arpwatch tcpdump
Sugggest Score — —
Category Network & Admin Network & Admin
Pricing Open Source Free

Product Overview

Arpwatch
Arpwatch

Description: Arpwatch is an open source software used for monitoring Address Resolution Protocol (ARP) traffic on a computer network. It keeps track of Ethernet/IP address pairings and reports changes, which can help detect certain types of attacks.

Type: software

Pricing: Open Source

tcpdump
tcpdump

Description: tcpdump is a command-line network monitoring and data acquisition tool used to capture packet data flowing over a network. It can intercept and log traffic passing over a digital network or part of a network.

Type: software

Pricing: Free

Key Features Comparison

Arpwatch
Arpwatch Features
  • Monitors ARP traffic
  • Maintains IP/MAC address mapping database
  • Sends email alerts on changes to mappings
  • Detects certain network attacks
  • Command line and daemon modes
tcpdump
tcpdump Features
  • Packet capture and network traffic monitoring
  • Capture filters for selective packet capture
  • Reading packets from files for offline analysis
  • Output to console, files, or other programs
  • Decoding of various network protocols

Pros & Cons Analysis

Arpwatch
Arpwatch
Pros
  • Open source
  • Lightweight
  • Easy to deploy
  • Detects ARP spoofing
  • Alerts on suspicious activity
Cons
  • Requires expertise to interpret alerts
  • No GUI
  • Limited reporting capabilities
  • Does not prevent attacks
  • Must be tuned for each network
tcpdump
tcpdump
Pros
  • Free and open source
  • Available for multiple platforms
  • Powerful command line interface
  • Wide protocol support
  • Allows inspection of raw network traffic
  • Lightweight and fast
Cons
  • Command line only, no GUI
  • Steep learning curve
  • Manual analysis of captures required
  • Does not do automated intrusion detection
  • Requires root/admin rights on most OSes

Pricing Comparison

Arpwatch
Arpwatch
  • Open Source
tcpdump
tcpdump
  • Free

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Learn More About Each Product

Arpwatch
Arpwatch
Reviews, pricing & alternatives →
tcpdump
tcpdump
Reviews, pricing & alternatives →

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