Breakthroughs
* New ClickHouse support for storing historical data, replacing nIndex support (data migration available)
* Advanced Historical Flow Explorer, with the ability to define custom queries using JSON-based configurations
* New Historical Data Analysis page (including Score, Applications, Alerts, AS analysis), with the ability to define custom reports with charts
* Enhanced drill down from charts and historical flow data and alerts to PCAP data
* nEdge support for Ubuntu 20
* Enhanced support for Observation Points
Improvements
* Improve CPU utilization and memory footprint
* Improve historical data retention management for flows and timeseries
* Improve periodic activities handling, with support for strict and relaxed (delayed) tasks
* Improve filtering and analysis of the historical flows
* Improve alert explorer and filtering
* Improve Enterprise dashboard look and feel
* Improve the speedtest support and servers selection
* Improve support for ping and continuous ping (ICMP) for active monitoring
* Improve flow-direction handling
* Improve localization (including DE and IT translations)
* Improve IPS policies management
* Add IPS activities logging (e.g. block, unblock)
* Improve SNMP support
* Optimize polling of SNMP devices
* Improve SNMP v3 support
* Add more information including version
* Stateful SNMP alert to detect too many MACs on non-trunk
* Perform fat MIBs poll on average every 15 minutes
* Add preference to disable polling of SNMP fat MIBs
* Add more information to the historical flow data, including Latency, AS, Observation Points, SNMP interface, Host Pools
* Add detailed view of historical flows and alerts
* Add support for nProbe field L7_INFO
* Add ICMP flood alert
* Add Checks exclusion settings for subnets and for hosts and domains globally
* Add CDP support
* Add more regression tests
* Add support for obsolete client SSH version
* Add support for ERSPAN version 2 (type III)
* Add support for all the new nDPI Flow Risks added in nDPI 4.2
* Add extra info to service and periodicity map hosts
* Add Top Sites check
* REST API
* Getter for the bridge MIB
* Getter for LLDP adjacencies
* Check for BPF filters
* Score charts timeseries and analysis
Changes
* Encapsulated traffic is accounted for the lenght of the encapsulated packet and not of the original packet
* Remove nIndex support, including the flow explorer
* Remove MySQL historical flow explorer (export only)
* Hide LDAP password from logs
Fixes
* Fix a few memory leaks, double free, buffer overflow and invalid memory access
* Fix SQLite initialization
* Fix support for fragmented packets
* Fix IP validation in modals
* Fix netplan configuration manager
* Fix blog notifications
* Fix time range picker to support all browsers
* Fix binary application transfer name in alerts
* Fix glitches in chart drag operations
* Fix pools edit/remove
* Fix InfluxDB timeseries export
* Fix ELK memory leak
* Fix TLS version for obsolete TLS alerts when collecting flows
* Fix fields conversion in timeseries charts filters
* Fix some invalid nProbe field mapping
* Fix hosts Geomap
* Fix slow shutdown termination
* Fix wrong Call-ID 0 with RTP streams with no SIP stream associated
* Fix ping support for FreeBSD
* Fix active monitoring interface list
* Fix host names not always shown
* Fix host pools stats
* Fix UTF8 encoding issues in localization tools
* Fix time/timezone in forwarded syslog messages
* Fix unknown process alert
* Fix nil DOM javascript error
* Fix country not always shown in flow alerts
* Fix non-initialized traffic profiles
* Fix traffic profiles not working over ZMQ
* Fix syslog collection
* Fix async SNMP calls blocking the execution
* Fix CPU stats timeseries
* Fix InfluxDB attempts to alwa re-create retention policies
* Fix REST API ts.lua returning 24h data
* Fix processing of DNS packets under certain conditions
* Fix invalid space in SNMP Hostnames
* Fix REST API incompat. (/get/alert/severity/counters.lua, /get/alert/type/counters.lua)
* Fix map layout not saved correctly
* Fix LLDP topology for Juniper routers
* Fix not authorized error when editing SNMP devices
* Fix double 95perc, splitted avg and 95perc in sent/rcvd in charts
* Fix inconsistent local/remote timeseries
* Fix Risks generation in IPS policy configuration
* Fix deletion of sub-interface
* Fix deadline not honored when monitoring SNMP devices
* Fix traffic profiles on L7 protocols
* Fix TCP connection refused check
* Fix failures when the DB is not reacheable
* Fix segfault with View interfaces
* Fix hosts wrongly detected as Local
* Fix missing throughputs in countries
Misc
* Enforces proxy exclusions with env var `no_proxy`
* Move Lua engine to 5.4
* Major code review and cleanup
nEdge
* Add support for Ubuntu 20
* Add ability to logout when using the Captive Portal
* Add per egress interface stats and timeseries
* Add active DHCP leases in UI and REST API
* Add daily/weekly/monthly quotas
* Add service and periodicity maps and alerts
* Fix Captive Portal not working due to invalid allowed interface
* Fix addition of static DHCP leases
* Fix factory reset
* Fix reboot button