Changes 2.4:
* Memory-management, stability and speed have been fundamentally improved
* We have kept an eye on security and hardened the code to prevent privileges escalation and XSS
* Alerts have been extended to include support for
  . Re-arming to avoid raising trains of identical alerts in short periods of time
  . Alert propagation to the infrastructure monitoring software Nagios
  . CIDR-based triggers to monitor the behavior of whole networks
  . The detection of suspicious probing attempts
* Netfilter support has been added together with optional packet dropping features
* Routing visibility is now possible through RIPE RIS
* Availability of fine-grained historical data drill-down features, including top talkers, top applications, and interactions between hosts (more details here)
* Integrations with other software
  . LDAP authentication support
  . alerts forwarding/withdrawal to Nagios
  . nBox integration to request full packet pcaps of monitored flows
  . Data export to Apache Kafka
* We have extended and improved traffic monitoring
  . Visibility of TCP sessions throughput estimations and state breakdown (e.g., connections established, connections reset, etc.)
  . Goodput monitoring
  . Trends detection
  . Highlight of low-goodput flows and hosts
  . Visibility of hosts top-visited sites
* Built-in support is now included for
  . GRE detunnelling
  . per-VLAN historical statistics
  . ICMP and ICMPv6 dissection
* We have extended the set of supported OSes to include: Ubuntu 16, Debian 7, EdgeOS
* There is also an optional support for hosts categorization via service flashstart.it

(adam)