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arkime/arkime

Free

Arkime is an open source, large scale, full packet capturing, indexing, and database system.

FreeFree tier
Type
Open Source

About arkime/arkime

Arkime is a large scale, open-source network analysis and full packet capture system. It augments existing security infrastructure by storing and indexing network traffic in standard PCAP format, providing fast, indexed access. Arkime features an intuitive web interface for PCAP browsing, searching, and exporting, and offers APIs that allow direct consumption of PCAP data and JSON-formatted session metadata. It is built to scale across many systems, handling tens of gigabits per second of traffic, with PCAP retention controlled by sensor disk space and metadata retention managed via an OpenSearch/Elasticsearch cluster. The system comprises three main components: capture (a threaded C application), viewer (a Node.js web interface), and OpenSearch/Elasticsearch. Optional components include cont3xt for contextual intelligence, esProxy for extra security, Parliament for monitoring multiple clusters, and wiseService for threat intelligence integration. Originally created to replace commercial full packet systems at AOL, Arkime provides a cost-effective, fully controllable full packet capture solution.

Key Features

Full packet capture and indexing of network traffic in standard PCAP format
Intuitive web interface for PCAP browsing, searching, and exporting
APIs for downloading PCAP data and JSON session metadata
Built to scale across many systems, handling tens of gigabits/sec of traffic
PCAP retention controlled by sensor disk space; metadata retention by OpenSearch/Elasticsearch cluster
Composed of capture (C app), viewer (Node.js), and OpenSearch/Elasticsearch
Optional components: cont3xt (contextual intelligence), esProxy (security), Parliament (cluster monitoring), wiseService (threat intelligence)
Supports standard PCAP format, compatible with tools like Wireshark
Cost-effective alternative to commercial full packet systems

Pros & Cons

Pros
  • Open source and free to use
  • Highly scalable, handles tens of gigabits per second
  • Standard PCAP format ensures compatibility with existing tools
  • Fast indexed access to captured traffic
  • Intuitive web interface for easy exploration
  • Comprehensive APIs for integration and automation
  • Cost-effective compared to commercial full packet capture solutions
Cons
  • Requires OpenSearch or Elasticsearch for metadata indexing and search
  • Setup and deployment across many systems can be complex
  • Not a fully automated analysis tool; requires user interaction for investigation
  • PCAP storage is limited by local disk space on sensors

Best For

Network analysis and security infrastructure augmentationIncident response and network forensicsFull packet capture for compliance and retentionThreat intelligence integration via wiseServiceLarge-scale network monitoring across multiple systems