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6.6 Stable

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@cardigliano cardigliano released this 17 Nov 17:25
· 9 commits to 6.6-stable since this release
6.6
9c03450

ntopng 6.6 (November 2025)

Breakthroughs

  • New Autonomous Systems Dashboards, Sankeys, and comprehensive AS statistics
  • Enhanced flow exporters and probes statistics with dedicated pages
  • Improved SNMP devices polling
  • Major flow collection code rework and optimizations
  • Native support for ClickHouse Cloud with SSL connections
  • Direct flows dump mode for real-time ClickHouse export

Improvements

  • Add comprehensive AS ranking detection and alerting with configurable thresholds
  • Implement ASN traffic rules for better AS-level traffic management
  • Enhance ASN live flow aggregation
  • Add conditional ASN aggregation type based on ASN mode
  • Add ASN alerts to alert system
  • Optimized SNMP access to interface names
  • Add Transit Only AS filter and tables
  • Add flow exporter/probe statistics with dedicated interfaces and exporters pages
  • Optimize SNMP polling by removing unnecessary double polling on system and interfaces
  • Add SNMP interface roles (core, distribution, access, etc.) for better network topology visualization
  • Implement SNMP devices CSV import/export with SNMPv3 support
  • Enhance asset inventory with SNMP Bridge MIB integration
  • Optimize SNMP caching and interface name lookup
  • Improve ClickHouse connection handling with SSL/TLS support for ClickHouse Cloud
  • Optimize exporters/probes statistics with better data structures and reduced memory footprint
  • Add support for nProbe Source ID (NPROBE_SOURCE_ID) custom field
  • Implement --direct-flows-dump option to dump flows directly when collected
  • Improve historical flow filtering and export capabilities
  • Add throughput charts based on interface probe stats
  • Improve Redis operations with optimized caching
  • Add safety checks across flow collection and statistics code
  • Optimize Host Pools with support for up to 4096 pools
  • Improve packet dumper for traffic extraction
  • Add more detailed flow exporter IP flow layout
  • Add support for HTTP methods other than GET/POST; reworked and simplified code
  • Improved chart visualization
  • Slightly improved visualization on mobile

Changes

  • Remove pre-NAT information display from flows and statistics
  • Rework exporters and probes statistics implementation
  • Unify all exporters interfaces pages
  • Rework flow collection with better probe/exporter/interface tracking
  • Change timeseries charts to stacked mode for better visualization
  • Remove VLAN 0 from various displays
  • Change MAC address formatting for consistency
  • Update flow aggregation with new aggregation functions
  • Add support for arbitrary nDPI protocol IDs in shapers
  • Remove obsolete code and cleanup
  • Disable various functionalities in ASN Mode

Fixes

  • Fix SNMP interface name not correctly displayed
  • Fix historical flow filters and export functionality
  • Fix exporter interfaces statistics not working correctly
  • Fix traffic rules modal size and resource loading
  • Fix past timeseries not working correctly when opening pages
  • Fix host pools timeseries charts
  • Fix host location sorting and filtering in nEdge
  • Fix nEdge footer and interface issues
  • Fix flow historical filters and labels
  • Fix download records in historical flows
  • Fix traffic profile edit modal
  • Fix various issues with asset queries and visualization
  • Fix ClickHouse flow export date and retention
  • Fix server ports formatting
  • Fix several menus not correctly mapped
  • Fix hidden hosts not working correctly
  • Fix active monitoring RTT and throughput checks
  • Fix ClickHouse connection timeout handling
  • Fix policy test from system interface
  • Fix DHCP leases page for nEdge
  • Fix traffic profiles page glitches
  • Fix various nEdge host sorting issues
  • Fix historical flow incorrect labels and columns
  • Fix assets not correctly dumped into the DB
  • Fix various timeseries charts not correctly displayed
  • Fix RRD top timeseries not correctly working in edge cases
  • Fix various links not working
  • Fix missing retention for hourly tables

nEdge

  • Dynamic blacklist support
  • Add dynamic blacklist with per-user/pool configuration
  • Implement nEdge policy violation check
  • Add toggle to block blacklisted flows
  • Add max flow size configuration
  • Improve multicast/broadcast forwarding configuration
  • Fix inter-LAN filtering rules page
  • Add Kea DHCP server support (in addition to ISC DHCP server)
  • Improve DHCP leases visualization with Vue.js
  • Add packet dump support for nEdge
  • Fix location-based filtering and sorting
  • Improve quotas reset functionality
  • Add support for DHCP active leases pagination
  • Fix captive portal issues
  • Enhance traffic accounting for nEdge interfaces
  • Rework nEdge shapers configuration (simplified)
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