github ntop/ntopng 6.2
6.2 Stable
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one month ago

ntopng 6.2 (August 2024)

Breakthroughs

  • Major code optimizations and reduction of locks
  • Huge memory footprint reduction (by more than half)
  • Huge improvements to SNMP polling
  • MITRE alerts classification
  • New Security report
  • Replay historical flows on a virtual interface
  • Support for ClickHouse Cloud and TLS towards ClickHouse/SQLite
  • Cisco QoS MIB poller
  • New translations: Korean, Spanish and French
  • Support for influxdb v.2 (with v.1 compatible buckets)
  • CheckMK alerts export through Event Console (syslog)
  • New WeChat Alert endpoint
  • Add more filtering capabilities to the Reports
  • New UI table component

Improvements

  • Add flow_risk and host_risk remediations.
  • Add VLAN rules
  • Add drops/flows and probes info to view interface
  • Add exporters limits to ntopng licenses
  • Add extensions for asset inventory
  • Add feature sorting flows by protocol
  • Add flows and drops ts to netflow/sflow exporters
  • Add info to nprobes and exporters pages
  • Add interface to SNMP topology map
  • Add localhost to ipaddress expection lists
  • Add mac address to the hosts page
  • Add missing DHCP mappings
  • Add mitre_info to alerts in ClickHouse
  • Add NAT info to ClickHouse and ECS
  • Add SIP status call
  • Add the ability to set custom alert score
  • Add uuid_num and unique_source_id to exporters and probes
  • Add various filters to Historical/Alerts pages
  • Add L2TP decapsulation
  • Add sankey to probes/exporters page
  • Add support for flow source
  • Add --disable-purge for debug purposes Added average flow throughtput in flows
  • Add support for Ethernet-over-IP tunnel support
  • Add SNMP interface and device usage page and timeseries
  • Add detection of interfaces going down/up when open in pcap mode
  • Add host name discovered with DHCP
  • Add blacklist charts
  • Add SNMP Trap support
  • Add QoS page to snmp
  • Add sankey to probes/exporters page
  • Add support for MAC addresses in traffic profiles
  • Add smcroute integration.
  • Add traffic profiles rules.
  • Add TCP flow connection state
  • Add SNMP interface speed configuration
  • Add report editor
  • Add support for ModBUS Scattered Holding Register Read
  • Add filtering ability to report page
  • Add JE malloc support
  • Improve cloud support
  • Implement NetFlow polling device using coroutines
  • Implement flow traffic account in pcap interfaces when reading traffic from a pcap interface.
  • Implement mitre_table_info inside database
  • Implement TLS swap heuristic similar to SSH
  • Improve host pool reload latency
  • Improve performance in SNMP device listing
  • Improve SNMP various performances and reworked interfaces page
  • Modify Lua allocator to avoid allocating small blocks and using ^2 blocks size to reduce heap fragmentation
  • Reduced memory and trhead usage Added missing HTTP server thread naming Added --limit-resources to tell ntopng to reduce memory usage (useful for systems with limited resources)
  • Rework periodic discovery code
  • Rework flow exporters lua stats
  • Rework interface polling with snmpbulk
  • Rework flow exporters host rules
  • Rework timeseries backend and added support to bar charts
  • Rework throughput calculation for flow-based interfaces: it is no longer calculated periodically but only when a new flow update is received
  • Update the dashboard with the editing component feature.
  • Add support for interfaces of different datalink with pcap (e.g. -i ethX,tunY...)

Changes

  • Add ntopng to group systemd-journal
  • Add download of journalctl logs for the last day
  • Add hostnames to custom queries
  • Add mapping between db fields and netflow
  • Add usage of proto.ndpi_confidence in flow_details.
  • Add SNMP import functionality for CSV files
  • Add limit on DB interface flows accoring to the flow cache
  • Add Major and Minor connection states
  • Add percentage and * as exporter device option in Flow Exporter rules + minor fixes.
  • Add option to backup redis (ntopng-utils-manage-config -a backup -r)
  • Add percentage and * as exporter device option in Flow Exporter rules + minor fixes.
  • Add check for avoiding crash with hosts with no MAC
  • Add trigger period action on shell script
  • Add exporters limits to ntopng licenses
  • Add memory boundaries checks
  • Add switch between normal and per minute traffic ts
  • Add icon in flows that indicate when the flow has swapped directions
  • Add flow exporter top chart
  • Add autosearch when opening edit application page
  • Add topk chart to conversations
  • Add support for ModBUS Scattered Holding Register Read
  • Add host location to flow page
  • Add limitations for max number of polled SNMP devices
  • Add check for preventing false positive for long lived connections on top of protocols that can take a while
  • Add SNMP usage page
  • Add thpt charts to historical flows
  • Add garbage collector calls
  • Add startup flush for ntopng.trace_error.alert_queue
  • Add Bootstrap 5 tooltip support
  • Add check to avoid memory issues (heap overflow) during DHCP packet dissection
  • Add check for avoid setting the interface in non-blocking mode when used with pcap files
  • Change the severity of the old blacklisted flow to critical
  • Change the labels from 'Downlink Usage' and 'Uplink Usage' to 'In Usage' and 'Out Usage'
  • Changed score level for various Alerts.
  • Cleaned up flow throughout calculation
  • Disabled flow swap for UDP flows that might lead to false positives
  • Disable download image button on Safari.
  • Enable the editing of blacklist URL.
  • Enable interface name search.
  • Enable search in the SNMP interfaces page.
  • Make sort/delete persistent. Compute component_id on server side.
  • nmap command path is now computed at runtime
  • Packet padding is no longer accounted in flow traffic
  • Prevents non-admin users to pause interfaces
  • Report templates can now be defined in multiple paths
  • Reduced table retention
  • Remove additional http header
  • Remove sflowdev timeseries and unified to flowdev
  • Remove outdated unahandled flows that was casing fiscrepancies in flow accounting
  • Remove useless work when shutting down
  • Run nmap setcap only when we're outside a container
  • Update doc with all the latest features.

nEdge

  • Add option to enable external captive portal auth
  • Add Keep Src Address flag.
  • Add MAC and IP Address to radius interim-update
  • Add new fields to radius accounting
  • Add code to delete expired flows in ntopng still present in conntrack
  • Add check for offloaded flows with uncompleted protocol detection that have observed too many packets (updated via conntrack)
  • Implement remote radius authentication for local users (toggle)
  • Handle broadcast forwarding
  • Optimized std::map to reduce memory usage
  • Remove keep_src_address
  • Remove the hardcoded testing value for traffic_quota_ratio.
  • Remove alerts no longer necessary as they have been replaced by local traffic rules
  • Fix broadcast forwarding
  • Fix Daily Traffic Quota and Daily Time Quota column style.
  • Fix incorrect delta calculation
  • Fix repeater config modal reset
  • Fix the apply button in repeaters modal.
  • Fix progress bar.
  • Fix editing on repeater-config modal by removing unnecessary variable.
  • Fix the enable_nat and enable_iface toggles
  • Fix the alignment of column_key icons on the host_details/flows page.
  • Fix Daily Traffic Quota and Daily Time Quota column style.
  • Fix the alignment of column_info icons.

Fixes

  • Fix top visited websites leak (growing undefinitely) and cpu load (sorting on every decoded site)
  • Fix aggregated live flows exporter filter.
  • Fix L7 Protocol usage & empty table statement using the view interface in Server Ports Analysis page
  • Fix pcap extraction for unprivileged users
  • Fix chown group
  • Fix TCP Flow Reset check.
  • Fix TCPFlowReset check.
  • Fix free on uninitialized pointers
  • Fix the creation of the all_alerts_view in the ClickHouse cluster SQL script.
  • Fix the partition parameter in the ClickHouse cluster SQL database schema.
  • Fix a bug related to removing CVEs when a scan is in progress and make minor optimizations.
  • Fix the formatting of 0 percentage.
  • Fix access to released memory in UT hash iteration
  • Fix navigation from server ports analysis chart view to table view.
  • Fix where on aggregated queries (interface id was ignored)
  • Fix invalid packet count with fragemented traffic
  • Fix info field cut after 256 characters
  • Fix crash and memory leak introduced
  • Fix missing fields in TLS alerts
  • Fix invalid application protocol accounting in network interfaces due to partial nDPi detection
  • Fix pcap download
  • Fix bug in UDP scan
  • Fix counter polling
  • Fix SSH flow swap heuristic
  • Fix segmentation fault on Stratosphere lab blacklist loading
  • Fix pcap polling on macOS and FreeBSD Fixes handling of interface pause (idle) on pcap interfaces
  • Fix SQL injection description
  • Fix copy not working on alert description (#8316)
  • Fix string info cut due to buffer size
  • Fix invalid host rename when using HTTP proxies
  • Fix reset counters does not reset sent/rcvd bytes/packets
  • Fix attempt to index nil value
  • Fix some performance issues in the new flow page
  • Fix timeseries queries not working with serialize by mac
  • Fix incorrect check on TOS
  • Fix thpt historical flow chart
  • Fix historical flow charts
  • Fix duplicated entries in radius
  • Fix service map learning not reset at startup
  • Fix circular dependencies
  • Fix tooltip not working
  • Fix active monitoring alert discarded with no pool selected
  • Fix incorrect hosts number
  • Fix issue with host pools assignment
  • Fix remote access alert not triggered
  • Fix SNMP topology map and added to all snmp devices
  • Fix SNMP v3 import not working
  • Fix topology map not correctly working
  • Fix various translation to It, JP an other languages.
  • Fix various issue with application reloading
  • Fix various issues in SNMP Chart
  • Fix bytes per minute SNMP Serie not added
  • Fix shell script execution on alerts engaged
  • Fix crash when sorting hosts in low memory conditions
  • Fix domain name extraction from the info column.
  • Fix colors in dygraph plotters
  • Fix throughput values in local traffic rules.
  • Fix wrong source type in exporters report
  • Fix emergency recipient toast not configured
  • Fix location not correctly set in case of aggregation
  • Fix unknown filter applied even when not filtered
  • Fix schema id switch in influx
  • Fix Heap-buffer-overflow in IEC104
  • Fix influxdb top stats
  • Fix timeseries charts timezone and removed no more used files
  • Fix FreeBSD packaging issues with VulScan
  • Fix incorrect total calculation
  • Fix various issues on the exporter pages
  • Fix historical aggregated flow issue with timestamp lower than the last day
  • Fix various lua memory issues
  • CentOS 7 fixes
  • Workaround for a memory leak on windows for a bug on the pthread library
  • Various OT fixes
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