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Release Notes

2.12.1.x.x Maintenance Release (TBD - EOL: TBD)​

What’s New in this Release​

info

NFO Security Update​

This security update includes the following:

TBD

Improved NFO Central Rebalancing​

  • Distribution Margin control: A new Distribution Margin (%) parameter in the NFO Central Load Balancer tab sets the maximum percentage points a peer can exceed its weighted share before rebalancing is triggered. Defaults to 5%.

Customer Request/Ticket numbers: NFC-12315

NFO Central: Configuration Management​

  • Configuration Management: A new Configuration Management tab in NFO Central allows importing configurations from peer nodes, managing saved configuration snapshots, and distributing them to peers within a load balancer pool.
  • Configuration Preview: Saved configurations can be previewed before being assigned or pushed to peers.

Customer Request/Ticket numbers: NFC-12325, NFC-12350

Network Conversations: Redesigned Enrichment Watch Lists​

Enrichment watch lists are now organized into logical groups, improving navigation and configuration clarity for large deployments.

Customer Request/Ticket numbers: NFC-12346

Network Conversations: Application Collector Visible in GUI​

The Application Collector is now accessible directly in the NFO interface, allowing administrators to view and inspect collected application data without accessing the underlying files.

Customer Request/Ticket numbers: NFC-12342

Improved Network Conversations Data Quality​

Added two new parameters:

  • Data quality filter: Drops malformed records, including invalid IP ranges, bad byte/packet counts, and out-of-range flow timestamps (default: disabled).
  • Flow start/end time substitution: Backfills missing flow_start_time and flow_end_time fields using the record's internal timestamp, useful for protocols like sFlow that do not provide these values natively (default: disabled) .

Customer Request/Ticket numbers: NFC-12298, NFC-12302

Added User Identity Fields Support for Cisco ASA/AVC​

NFO now extracts user identity fields (username, idp) from Cisco ASA and AVC flow records and enriches Network Conversations output, enabling user-based visibility without requiring a separate identity integration.

Customer Request/Ticket numbers: NFC-12367

Improved Application Enrichment Configuration​

Clarified application name resolution priority and updated GUI labels and tooltips for the Application Enrichment lists. The processing order is now: Custom applications list → app_name in flow → Applications override list → App ID catalog (auto-built from NetFlow Options), with Application names to be ignored suppressing junk values at any stage except custom matches.

No configuration migration required — existing lists are preserved.

Customer Request/Ticket numbers: NFC-12368

Added IPv6 Support in Applications Collector​

The Applications Collector now supports IPv6 addresses, enabling application enrichment for IPv6 flow records.

Customer Request/Ticket numbers: NFC-12377

SNMP Pro Licensing​

SNMP Pro is now a separately licensed component as of version 2.12.1. The license format has been updated to measure NetFlow and SNMP Pro usage independently:

  • New license format: netflow_blocks=n;snmp_pro_blocks=m. The prior blocks=n format remains supported.
  • SNMP Pro block calculation: SNMP Pro blocks are calculated every 5 minutes and apply only when SNMP Pro features are in use — SNMPv3 credentials are configured, or module 10103 (SNMP Polling Rules) or 10701 is enabled. Deployments using only SNMPv2c without these modules are not counted against SNMP Pro blocks.
  • Detection alert: NFO logs an alert when SNMP Pro feature usage is detected on a license that does not include SNMP Pro. Existing functionality continues to operate while licensing is arranged.

Customer Request/Ticket numbers: NFC-12337

SNMP Auto-Discovery: Subnet Assignment​

Auto-discovery now determines and assigns a subnet to each discovered device by querying IP-FORWARDING-MIB::inetCidrRouteTable. The assigned subnet is reported in the subnet field in SNMP module output.

Customer Request/Ticket numbers: NFC-12409

Improved OpenTelemetry Output​

Revised the OpenTelemetry metrics model for consistency across all system components. SNMP module (10103) and MDT Service field mappings have been updated to correctly classify output fields as metrics (gauge, counter) or attributes, resulting in cleaner and more consistent OTEL data in downstream observability platforms.

Customer Request/Ticket numbers: NFC-12316

Improved MDT Field Normalization​

MDT field names are now aligned with SNMP polling field naming conventions. For example, memory utilization elements are now reported as mem_used, mem_free, and mem_total across both MDT and SNMP data sources, enabling consistent dashboards and queries regardless of the telemetry source.

Customer Request/Ticket numbers: NFC-12211

Restart EDFN from the NFO Interface​

Administrators can now restart the External Data Feeder (EDFN) directly from the NFO web interface, eliminating the need for SSH access to the EDFN host.

Customer Request/Ticket numbers: NFC-12074

Improved NFO GUI usability​

Customer Request/Ticket numbers: NFC-12282

Improved Splunk App Navigation Support​

Added two new fields to support the updated Splunk App dashboard navigation hierarchy (Site → Device Type → Device):

  • site field: A new optional server-level field identifying the deployment location of the NFO instance. Used as the top-level navigation dimension in the Splunk App.
  • device_type field: Now included in the output of the Network Conversations Monitor (Module 62) and Top Traffic Monitor (Module 67), enabling device-type-based drill-down in Splunk dashboards.

Customer Request/Ticket numbers: NFC-12389

2.12.0.3 Security Update (June 18, 2026 - EOL: June 18, 2028)​

What’s New in this Release​

info

NFO Security Update​

This security update includes the following:

  • JRE 17.0.19
  • Tomcat 9.0.118
  • [CVE-2026-22732] Spring Security: Enable eager HTTP header writing
  • Netty 4.1.133.Final
  • Log4j 2.26.0
  • Kafka client 4.3.0
  • HSQLDB 2.7.4

2.12.0.0.61 Major Release (March 9, 2026 - EOL: March 9, 2028)​

What’s New in this Release​

info

NFO Security Update​

This security update includes the following:

  • JRE 17.0.18
  • Tomcat 9.0.115

Feature Highlight: Zero-Touch SNMP Automation​

Ditch the manual configuration. Get instant visibility.

This release introduces the Zero-Touch Discovery Engine, turning hours of setup into seconds of automated discovery. Simply define your network ranges—NFO does the rest.

The Power of Automation:

  • Instant Inventory: Watch your device list populate in real-time as NFO probes your subnets.
  • Smart Classification: NFO automatically recognizes the difference between a core switch, a firewall, and a wireless controller, applying surgical-grade polling the moment they’re found.
  • Self-Healing Dashboards: If your hardware changes, NFO auto-updates your metrics and groups. Your visibility stays current, even when your network doesn't.

This release includes:

  • Improved Device Classification: Automated device classification via a new Device Type field to accurately categorize hardware like routers, firewalls, and switches across major vendors. You can now customize this identification logic through enhanced GUI mapping tabs or YAML-based rule sets for granular infrastructure visibility.

Additionally, assign a device to multiple Device Groups (Vendor, Role, Feature).

Customer Request/Ticket numbers: NFC-12181, NFC-12236, NFC-12265

  • SNMP Polling Rules: We've added a powerful new feature that allows you to create custom rules for filtering SNMP polling data. You can now define conditions using logical and comparison operators to report on only the most critical interfaces or devices, significantly reducing the load in large-scale environments.

Customer Request/Ticket numbers: NFC-11995

  • Improved Auto-discovery: When credentials are not specified for a subnet, devices will be polled using all configured credentials.

Customer Request/Ticket numbers: NFC-12079

  • Added SNMP sysObjectID to Default OIDs: The default SNMP polling OIDs now include sysObjectID, providing enhanced device identification and compatibility.

Customer Request/Ticket numbers: NFC-11996

  • Load all default MIBs: All MIBs packaged with NFO are now loaded to improve OID sets creation.

Customer Request/Ticket numbers: NFC-12214

  • Improve SNMP polling device avaiability: Change SNMP "unresponsive device" logic from device level to OID set level.

Customer Request/Ticket numbers: NFC-12225

  • Added SNMP Connectivity Tester: Now you can test SNMP connection to check if device is reachable. Optionally, you can test SNMP polling for specific OIDs or tables.

Customer Request/Ticket numbers: NFC-12073

  • Improved Custom OID Set Monitor Module:

Customer Request/Ticket numbers: NFC-12093, NFC-12227

Implement NFO Central feature (Preview)​

NFO Central utilizes a custom, dynamic load balancing algorithm to distribute incoming traffic. The system continuously monitors real-time data, such as flow rate by exporter, to determine the least loaded NFO peer and automatically rebalance traffic distribution. This rebalancing is also triggered instantly when nodes join or leave the cluster.

Customer Request/Ticket numbers: NFC-12131, NFC-12155, NFC-12160, NFC-12161, NFC-12193, NFC-12224

Improved Device NetFlow Statistics​

The system now collects and displays Input Packets (Total and Rate) per device under the Status -> Statistics -> Devices screen. This new, granular metric provides deeper visibility into network flow activity and is a foundational step for implementing rate-based load balancing

Customer Request/Ticket numbers: NFC-12122

Added support for AES-256C in SNMPv3​

This release introduces support for AES-256C encryption, providing "military-grade" security for sensitive telemetry. This specific symmetric cipher implementation leverages 256-bit keys with Cipher Feedback (CFB) mode to deliver enhanced privacy and data protection for SNMPv3 communication. It is specifically designed for compatibility with high-security Cisco and OpenSSL-based systems.

Customer Request/Ticket numbers: NFC-12174

Implement Microsoft AD Integration on Linux​

Implement integration with Microsoft AD (enriching flow data with username) on Linux deployments using WinRM. This eliminates the need to have a Windows-based EDFN for AD integration.

Customer Request/Ticket numbers: NFC-12101

Improved MDT Input Configuration​

Enhanced validation for MDT input settings and watch lists, including checks for MDT TLS configuration ID uniqueness, valid certificate/key file access, and correct network interface address/port settings.

Customer Request/Ticket numbers: NFC-12134

Splunk HEC output: added channel identifier​

Added a channel identifier for Splunk HEC outputs, now with support for indexer acknowledgment.

Customer Request/Ticket numbers: NFC-11915

Unified HEC Output for Splunk and CrowdStrike Falcon LogScale​

NFO has expanded its HTTP Event Collector (HEC) output capabilities to provide seamless, native support for both Splunk and CrowdStrike Falcon LogScale. This update allows organizations to utilize a single, high-performance ingestion protocol for their preferred analytics and SIEM platforms.

Customer Request/Ticket numbers: NFC-12198, NFC-12208

Added ability to ignore client port in Top Traffic Module​

Now there is an option to ignore client port when aggregating flows. This greatly improves volume reduction without loosing any valuable information.

Customer Request/Ticket numbers: NFC-12115

Deprecation Notice​

Added Deprecation Notice to Modules which are going to be deprecated in upcoming rleases.

Customer Request/Ticket numbers: NFC-12180

Enhanced NFO stability​

Improved Quality of Service (QoS) mechanisms to prevent out-of-memory (OOM) situations and ensure more stable performance under heavy load.

Customer Request/Ticket numbers: NFC-12105

Improved NFO GUI usability​

Customer Request/Ticket numbers: NFC-12142

2.11.3.0.49 Maintenance Release (July 31, 2025 - EOL: July 31, 2027)​

What’s New in this Release​

info

NFO Security Update​

This security update includes the following:

  • Upgrade OpenSSL and crypto libraries to version 3.x

Customer Request/Ticket numbers: NFC-11919

Added support for Model Driven Telemetry (MDT) input (Preview)​

Introduced support for Model Driven Telemetry (MDT) input, enabling more granular and real-time network visibility.

Customer Request/Ticket numbers: NFC-11922, NFC-12008, NFC-12145

Improved Auto-discovery feature​

We have significantly enhanced our Auto-discovery feature to include an automatic and rule-based device classification system. Previously, the feature could discover devices and their basic properties. Now, it can also automatically classify them, allowing you to create and manage device groups more efficiently. This new functionality streamlines the onboarding of new devices and ensures consistent policy application across your network.

Key Features:

  • Automatic Device Classification: Auto-discovery now automatically assigns devices to a default group based on SNMP SysObjectID and other identifying attributes.
  • Rule-Based Device Grouping: Create your own custom rules to automatically classify and assign discovered devices to specific groups based on criteria you define. This allows for tailored configurations and reporting for different segments of your network.
  • Enhanced Usability: This improvement reduces manual effort and simplifies the management of large-scale network environments.

Customer Request/Ticket numbers: NFC-11979, NFC-12012, NFC-12050

Splunk HEC output: add channel identifier​

Customer Request/Ticket numbers: NFC-11915

Added support for Cisco SD-WAN IPFIX fields (including options)​

Added support for Cisco SD-WAN IPFIX fields (including options), providing deeper visibility into SD-WAN traffic.

Customer Request/Ticket numbers: NFC-11169

Add Archive and Restore Configuration​

Introduced Archive and Restore Configuration, allowing you to easily back up and restore your NFO settings.

Customer Request/Ticket numbers: NFC-11997

Improved Splunk HEC output​

  • Introduced support for multiple Splunk HEC outputs to a single IP/port, facilitating the routing of various NFO data types to distinct Splunk indexes.
  • NFO now supports Splunk HEC output in JSON format, for improved data ingestion.

Customer Request/Ticket numbers: NFC-11933, NFC-11978

Improved SNMP v3 Trap Handling​

We've made SNMP v3 trap handling much simpler. Now, NFO automatically handles device EngineIDs when encrypted SNMP v3 traps are received. This means you no longer need to create separate credentials for each device, significantly streamlining your setup.

Customer Request/Ticket numbers: NFC-12011

NFO License Manager to report SNMP polling blocks​

The NFO License Manager now includes reporting on SNMP polling blocks, helping you manage your licensed capacity more effectively.

Customer Request/Ticket numbers: NFC-12000

Usability improvments​

  • Explanations for Auto-discovery steps
  • External Data Feeder for NFO page - EDFN selection in case of multiple EDFNs are configured
  • Added upload button to EDFN Agent configuration lists
  • Added Clear and reset buttons to EDFN agent settings

Customer Request/Ticket numbers: NFC-12050, NFC-11989, NFC-12013, NFC-12042

What’s Been Fixed in this Release​

Auto-discovery: SNMP v3 is Not Processed Correctly (Intermittent)​

Customer Request/Ticket numbers: NFC-12076

Upload yaml OID Set with New Device Group Name is not Allowed​

Now when yaml OID set is uploaded with a new Device Group name, this Group is automatically added.

Customer Request/Ticket numbers: NFC-11992

2.11.2.0.32 Maintenance Release (April 30, 2025 - EOL: April 30, 2027)​

What’s New in this Release​

info

NFO Security Update​

This security update includes the following:

  • JRE 11.0.27 (CVE-2025-21587)
  • Json-smart 2.5.2 (CVE-2024-57699)

Customer Request/Ticket numbers: NFC-11919

Added support for Open Telemetry (OTel) output​

Customer Request/Ticket numbers: NFC-11811

Redesigned SNMP device group assigments​

Customer Request/Ticket numbers: NFC-11941

Sending NFO/EDFN internal logs to syslog server or Splunk HEC​

Customer Request/Ticket numbers: NFC-11926

Improved NFO Output Preview​

Customer Request/Ticket numbers: NFC-11929

Option to fix out of sequence timestamps in NFv5 and IPFIX​

Customer Request/Ticket numbers: NFC-11948

Usability improvments​

  • GUI for installations with multiple EDFNs

Customer Request/Ticket numbers: NFC-11972

2.11.1.1.1 Hotfix Release (March 9, 2025)​

What’s New in this Release​

SNMP Custom OID Sets Monitor bug fix​

Download the Module set:​

Utilities

Instructions how yo apply the fix

2.11.1.0.70 Maintenence Release (February 10, 2025 - EOL: February 10, 2027)​

What’s New in this Release​

info

NFO Security Update​

This security update includes the following:

  • Apache Tomcat 9.0.98
  • JRE 11.0.25
  • Implemented Cross-Site Request Forgery (CSRF) protection

Customer Request/Ticket numbers: NFC-10410

Improved performance for Linux 9​

Customer Request/Ticket numbers: NFC-11837

Added support of IPv6 exp_ip sampling​

Customer Request/Ticket numbers: NFC-11264

Improved performance for AWS S3 output​

Customer Request/Ticket numbers: NFC-11337

Implement Preview output feature​

Customer Request/Ticket numbers: NFC-11840, NFC-11805

Added support for post-NAT IP addresses in Network Conversations Module​

Customer Request/Ticket numbers: NFC-11863

Changed default in Network Conversations Module​

Changed default to report bi-directional conversations

Customer Request/Ticket numbers: NFC-11830

Improved Auto-discovery feature​

  • Added connections based on next_hop
  • Added connections IEEE 802.1D devices
  • Allow to enable/disable auto-disovery

Customer Request/Ticket numbers: NFC-11871, NFC-11838, NFC-11855

Implement exclusion list for port consolidation​

In the list of known server destination port numbers, allow marking which server application ports should be processed with client ports reported.

Customer Request/Ticket numbers: NFC-11285

Added Azure VNet flow logs support​

Customer Request/Ticket numbers: NFC-11648

Improved NFO license manager​

Allow to exclude peer nodes from production usage count

Customer Request/Ticket numbers: NFC-11696

Improved SNMP service and Auto-discovery​

Customer Request/Ticket numbers: NFC-11786

Improved NFO Status page and troubleshooting​

Customer Request/Ticket numbers: NFC-11809, NFC-11810, NFC-11828, NFC-11833, NFC-11882,

Improved NFO upgrade procedure​

Restore server.cfg file after upgrade

Customer Request/Ticket numbers: NFC-11786

What’s Been Fixed in this Release​

TFS registration error occurs intermittently in NFO server for sFlow data​

Customer Request/Ticket numbers: NFC-11308

The server drops TFS due to duplicate template registration within 10-second interval​

Customer Request/Ticket numbers: NFC-11820

Modified NFO server.cfg file incorrectly synchronized with config DB​

Customer Request/Ticket numbers: NFC-11850

Missing VNet exporter names for Microsoft Azure Flow Logs input​

Customer Request/Ticket numbers: NFC-11867

2.11.0.0.95 Major Release (September 30, 2024 - EOL: September 30, 2026)​

What’s New in this Release​

Implemented automatic device discovery using SNMP polling, streamlining network monitoring setup​

Customer Request/Ticket numbers: NFC-11588

Implemented NFO output filtering based on Module id (nfc_id)​

Customer Request/Ticket numbers: NFC-11703

Okta SSO​

Customer Request/Ticket numbers: NFC-11700

Implement EDFN agent for OpenCTI​

Customer Request/Ticket numbers: NFC-10641

Implement EDFN agent for Cisco ACI Bridge Domain enrichment​

Customer Request/Ticket numbers: NFC-10434

Added support for username reported by Palo Alto Networks, Cisco AVC, and IPFIX element 371​

Customer Request/Ticket numbers: NFC-11707

Added Support for nexthop, allowing for detailed visualization of network traffic routing paths​

Customer Request/Ticket numbers: NFC-11630

Added Support for NetScaler IPFIX elements: AppName, RTT, and TCP retransmits​

Customer Request/Ticket numbers: NFC-11167

Implemented "Catch all" in Repeater filters​

Customer Request/Ticket numbers: NFC-11391

Performance improvement​

Customer Request/Ticket numbers: NFC-11668

What’s Been Fixed in this Release​

vCenter agent generates records with duplicate MAC addresses and zero IP addresses​

Customer Request/Ticket numbers: NFC-11780

AWS S3 output: Some Syslog generated files missing the header row​

Customer Request/Ticket numbers: NFC-11725

2.10.2.0.88 Maintenance Release (April 24, 2024 - EOL: April 24, 2026)​

What’s New in this Release​

info

NFO Security Update​

This security update includes the following:

  • Apache Tomcat 9.0.88
  • JRE 11.0.23

Added Support for Oracle Cloud Infrastructure (OCI)​

Customer Request/Ticket numbers: NFC-11422, NFC-11449

Added support for IPv6 in Security Threat Lists in Network Conversations Module​

Customer Request/Ticket numbers: NFC-11296

Implemented Azure Logs Ingestion API (as Data Collector API will be deprecated)​

Customer Request/Ticket numbers: NFC-11448

Added support for Original Flow Data and NetFlow Recorder to AWS S3 output​

Customer Request/Ticket numbers: NFC-11197

Improved EDFN Agento to support AWS/Azure/GCP/OCI public IP ranges​

Customer Request/Ticket numbers: NFC-11461

Added support for IPv6 in SNMP Polling and Traps​

Customer Request/Ticket numbers: NFC-11481

Added support of SNMP Polling Configuration via YAML Packages​

Customer Request/Ticket numbers: NFC-11554

Added ifHighSpeed OID to SNMP Polling​

Customer Request/Ticket numbers: NFC-11486

Added new SNMP OIDs to interface_mon Set​

Customer Request/Ticket numbers: NFC-11491

Performance Improvements​

Customer Request/Ticket numbers: NFC-11318, NFC-11543

Various Usability Improvments​

Customer Request/Ticket numbers: NFC-11469, NFC-11478, NFC-11480, NFC-11544, NFC-11575, NFC-11611