NetFlow Optimizer™ and External Data Feeder Release Notes
This vulnerability allows an attacker to interfere with an application's processing of XML data. This vulnerability is closed in NFO 2.7.0.0.264. For prior releases please apply the following workaround:
Edit /opt/flowintegrator/tomcat/webapps/ROOT/WEB-INF/web.xml file
Find parameter:
<init-param> <param-name>com.sun.jersey.config.feature.DisableXmlSecurity</param-name> <param-value>true</param-value> </init-param>Change
<param-value>to false or remove the entire<init-param>sectionRestart tomcat service: service tomcat_nfo restart
Ingest VPC Flow logs from AWS CloudWatch, Kinesis stream, or S3
Support processing VPC Flow logs from multiple AWS accounts, VPCs, and regions
Enrich native VPC Flow logs with real-time information, such as EC2 name, DNS name, and AWS region
Consolidate and optimize VPC Flow logs data thus enabling customers to store and index only a fraction of volume and at the same time gain all benefits of flow information without losing accuracy
Customer Request/Ticket numbers: NFC-9006, NFC-9251, NFC-9254, NFC-9260, NFC-9287, NFC-9300, NFC-9301, NFC-9302, NFC-9304, NFC-9305
Add ability to ingest, consolidate, and enrich GPC VPC Flow logs. Customer Request/Ticket numbers: NFC-9189
Cisco Application Visibility and Control (AVC) technology is now supported. AVC classifies more than 1400 applications, and reports them in IPFIX. AVC is available across routers, campus switches, access points, and wireless controllers. See https://www.cisco.com/c/en/us/products/routers/avc-control.html for details. Customer Request/Ticket numbers: NFC-8027
Added support for 'sparse augments'. Improved SNMP service performance. Added SNMP polling and traps statistics. Customer Request/Ticket numbers: NFC-8438, NFC-9081, NFC-9131, NFC-9133, NFC-9164
Change default URLs in all Modules with GeoIP enrichment to alow users to enter their own MaxMind subscription credentials. Customer Request/Ticket numbers: NFC-9293
When PAN device is not integrated with AD, all users reported as "na". To identify users for applications monitoring add user IP and port. Customer Request/Ticket numbers: NFC-9126
Add parameter to all Security Modules: "Enable reporting flow created and flow updated events". Default - disabled. Customer Request/Ticket numbers: NFC-9284
NFO sFlow support includes sFlow extended structures as of December 2019 (https://sflow.org/developers/structures.php). Customer Request/Ticket numbers: NFC-8885
Added ifAlias (OID 1.3.6.1.2.1.31.1.1.1.18) to the output of SNMP polling Module (10003). Customer Request/Ticket numbers: NFC-9095
Added DNS names, if available, for source / destination IP addresses reported by Security Modules. Customer Request/Ticket numbers: NFC-9096
Now Security Modules have an option to send a heartbeat message indicating that they are up and running. The message includes Module ID and the timestamp when corresponding threat lists were updated. Customer Request/Ticket numbers: NFC-9100
As in most cases NFO and EDFN are installed together on the same machine, starting with this release EDFN is packaged together with NFO in one installer (rpm, tar.gz, and msi). Customer Request/Ticket numbers: NFC-9280
Security update:
SHA-1 (Secure Hash Algorithm 1) has been known to be vulnerable to attacks. Digital certificate authorities have not been allowed to issue SHA-1-signed certificates since Jan. 1, 2016, although some exemptions have been made. Now SHA-1 ciphers are completely removed from NFO. Customer Request/Ticket numbers: NFC-8751
Now you can look back in time for security issues. NFO has an option to set a rolling period of time to capture flows, store these flows in memory or on disk, and replay them when a security event is detected in order to see the traffic that preceded the event. Customer Request/Ticket numbers: NFC-8839
This Module is capable of processing NetFlow / IPFIX / sFlow from physical network devices as well as VMware Virtual Distributed Switch. It is used for analyzing “east-west” and “north-south” traffic and providing information for micro-segmentation planning. Customer Request/Ticket numbers: NFC-9038
If you had Micro-segmentation Module installed in previous NFO release, you need to reconfigure connection to vCenter after upgrading to NFO 2.6.
NSX Distributed Firewall is a hypervisor kernel-embedded firewall that provides visibility and control for virtualized workloads and networks. The new NFO modules for DFW report top bandwidth consumers, top destinations, top DFW policy violators, and top VMs with the most connections. Customer Request/Ticket numbers: NFC-8757
Now you have an option to choose whether NFO can be configured to produce output in Syslog or JSON format. NFO server.cfg file has two parameters:
REPLAY_OFD_OUTPUT JSON / SYSLOG – controls output format for Original Flow Data and Replay output.
MODULES_OUTPUT JSON / SYSLOG – controls output format for Original Flow Data and Replay output. Customer Request/Ticket numbers: NFC-8974, NFC-8999
NFO Modules now can be requested with an option to write *flow data to disk (in addition to sending it out in syslog format) – available upon request. Customer Request/Ticket numbers: NFC-8579
External Data Feeder for NFO has an Agent capable of providing Autonomous System Paths data retrieved in real time from edge devices that support BGP. It is used *flow data enrichment with AS Paths information. Customer Request/Ticket numbers: NFC-8561
This Module correlates virtual overlay network and underlying physical network and virtual network operators to identify physical network devices impacting VM Applications performance. In this release we added the following: names for VDS interfaces, ifAlias field, VDS port group name, VM Host FQDN name. Added support for new IPV4 VDS templates. Removed LAN broadcast addresses from Path output (message 20183). Improve processing of *flows with SNMP indexes equal zero. Added ESXi physical adapter speeds to calculation utilization. Hide ifIPAddress field when value is 0.0.0.0. Customer Request/Ticket numbers: NFC-5744, NFC-6776, NFC-8700, NFC-8782, NFC-8783, NFC-8819, NFC-8820, NFC-8846, NFC-8847, NFC-8894.
Gentoo Linux is now supported. Customer Request/Ticket numbers: NFC-8598
Added support for IPFIX field layer2OctetDeltaCount as bytes Customer Request/Ticket numbers: NFC-8581
NFO sFlow support includes sFlow extended structures as of February 2019 (https://sflow.org/developers/structures.php). Customer Request/Ticket numbers: NFC-8429
Implement integration with VMware NSX and vShield. Report VDS port groups. Customer Request/Ticket numbers: NFC-8755
Now EDFN agent can handle several data sets. Update cron setting is still per agent. Customer Request/Ticket numbers: NFC-8930
Changed Oracle JDK 8u66 to Zulu OpenJDK 8u212. Customer Request/Ticket numbers: NFC-8968
Implemented Templates expiration. Default is 24 hours. Customer Request/Ticket numbers: NFC-7716, NFC-7717
Added FQDN name field in Sysog/JSON output. Customer Request/Ticket numbers: NFC-8818
Added IPFIX variable length IEs support. Customer Request/Ticket numbers: NFC-7985
Improve performance of External Data Feeder and NFO. In this release we support unlimited size of in-memory data sets (tested with 7M records). In addition, data sets up to 3M records could be updated every 30 seconds. Customer Request/Ticket numbers: NFC-8614
Streaming Modules performance (with *flow enrichment) was improved more than 3 times (300K records pes second in NFO 2.5.1 vs. 900K records per second in NFO 2.6 without a single drop). Customer Request/Ticket numbers: NFC-8560, NFC-8555
A single instance of NFO can now run up to 8 times more *flow consolidation Modules (NFO 2.5.1 vs NFO 2.6). Customer Request/Ticket numbers: NFC-8753
NFO SNMP service supports SNMP Traps now. Customer Request/Ticket numbers: NFC-8334
Implement GetBulk request for Table OIDs. Customer Request/Ticket numbers: NFC-8415
NFO sFlow support includes sFlow extended structures as of February 2018 (https://sflow.org/developers/structures.php). Customer Request/Ticket numbers: NFC-8429
NFO Geo IP enrichment now has a choice: use MaxMind (GeoLite2-Country or GeoLite2-City) or IP2Location (DB1LITE for country level or DB5LITE for city level). Customer Request/Ticket numbers: NFC-8397
Customer Request/Ticket numbers: (NFC-8436)
Report low traffic / low packet rate interfaces as having health score of 100. Customer Request/Ticket numbers: NFC-8456
A number of enhancements were implemented in DDoS detection Module to improve reduction of false positives and increase the number of variations of DDoS attacks. Customer Request/Ticket numbers: NFC-8320
A number of enhancements were implemented in DDoS detection Module to improve reduction of false positives and increase the number of variations of DDoS attacks. Customer Request/Ticket numbers: NFC-8381
Use list of local subnets to determine internal IP addresses and exclude reporting local-to-local traffic. Customer Request/Ticket numbers: NFC-8264
NFO IPFIX Original Flow Data processing now has the ability to add and edit key names for any IPFIX field. Customer Request/Ticket numbers: NFC-8244
Customer Request/Ticket numbers: NFC-8092, NFC-8110, NFC-8179, NFC-8202, NFC-8203
Customer Request/Ticket numbers: NFC-8162
NFO internal process.log format has been changed: remove units from numeric values. Customer Request/Ticket numbers: NFC-8414
Customer Request/Ticket numbers: NFC-8507/ZEN-572
NFO SNMP service supports now both SNMP v2c and v3. Added ability to create a list of credentials, specifying appropriate authentication information, and allow customers to choose corresponding credential for each network device for SNMP polling. Customer Request/Ticket numbers: NFC-8023
Extended functionality of SNMP Service by allowing users to specify custom OID sets for SNMP polling. Customer Request/Ticket numbers: NFC-7723, NFC-8050, NFC-5308, NFC-8190, NFC-8201
NFO now supports IPv6 in the FQDN service Customer Request/Ticket numbers: NFC-5393
Implemented IP-Name mapping list in FQDN Service. Enable customers to create IPv4 and IPv6 known host name lists. These lists are used by NFO prior to calling DNS service allowing to override (or set) customer specific name resolutions. Customer Request/Ticket numbers: NFC-5766
Added support for throttling rate parameter to server.cfg file. Customer Request/Ticket numbers: NFC-7424
This Module enables NFO administrator to setup unlimited number of Custom Security Threat lists. These lists could be public as well as private. Customer Request/Ticket numbers: NFC-8026, NFC-8165, NFC-8172, and NFC-8205
Added support for new fields for TCP flags in NFv9 and IPFIX. Customer Request/Ticket numbers: NFC-8019
Customer Request/Ticket numbers: NFC-8039
NFO installation package now supports Linux systemd. Customer Request/Ticket numbers: NFC-6026
Customer Request/Ticket numbers: NFC-8226
Implement the latest IPFIX standard Entities - See https://www.iana.org/assignments/ipfix/ipfix.xhtml for details. Customer Request/Ticket numbers: NFC-7986
Added support for comments in CSV files. Added support for 'Comment' column in watchlist parameters. Customer Request/Ticket numbers: NFC-6744, NFC-8017
Implemented deduplication in Top Traffic Monitor Modules: 10063 – Top Connections Monitor, 10067 – Top Traffic Monitor, and 10068 – Top Packets Monitor. Customer Request/Ticket numbers: NFC-8025
Customer Request/Ticket numbers: NFC-8005
Implement support for new Cisco ASA NSEL templates in all Modules, including Cisco ASA Modules. Customer Request/Ticket numbers: NFC-8057
This Module correlates virtual overlay network and underlying physical network and virtual network operators to identify physical network devices impacting VM Applications performance. In this release we improved integration with VMware vCenter. Customer Request/Ticket numbers: NFC-7980
A number of enhancements were implemented in DDoS detection Module to improve reduction of false positives and increase the number of variations of DDoS attacks. Customer Request/Ticket numbers: NFC-8035
Affected Platforms: All Description: The following message is displayed:
Customer Request/Ticket numbers: NFC-9177
Affected Platforms: All Description: When known malicious hosts list is updated manually or via Updater, about 19MB of memory is not released. Customer Request/Ticket numbers: NFC-7023
Affected Platforms: All Customer Request/Ticket numbers: NFC-8466
Affected Platforms: All Customer Request/Ticket numbers: NFC-9120
Affected Platforms: Windows 7/10, Windows Server 2012/2016 Description: When a block of a bind to a local port happens, NFO Controller warns on Status page that NFO Sever is unavailable and restarts it Customer Request/Ticket numbers: NFC-8505
NFO syslogs do not meet RFC-3164 requirements. Implement HOSTNAME field to follow TIMESTAMP field. Customer Request/Ticket numbers: NFC-3494
When External Data Feeder is restarted, the following ERROR appears in nf2sl.log file: 2018-01-05 13:07:59,380 ERROR [JSR356Endpoint] NFO and External Data Feeder are working just fine. This error is removed to avoid unnecessary warnings. Customer Request/Ticket numbers: NFC-8362, ZEN-560
Customer Request/Ticket numbers: NFC-8325
Customer Request/Ticket numbers: NFC-3349, NFC-3604, NFC-4863, NFC-5332, NFC-5871, NFC-6058, NFC-6315, NFC-6540, NFC-7076, NFC-7836, NFC-7863, NFC-7879, NFC-7882, NFC-7886, NFC-7978, NFC-8014, NFC-8299, NFC-8357, NFC-8422, NFC-8439, NFC-8486
NFC crashes when over 500 network devices were configured to send NFv9 with multiple templates each. Customer Request/Ticket numbers: NFC-8143
When NFO validates flows and determines that packet is padded with zeros after the last record it drops the entire packet. The fix is to ignore padding zeros and process good flow records. Customer Request/Ticket numbers: NFC-8231
V2P Network Visibility Module is unable to build watchlist when two VMs with the same IP address are present in two different vCenters. Customer Request/Ticket numbers: NFC-8058
Customer Request/Ticket numbers: NFC-7992
Customer Request/Ticket numbers: NFC-8103
Customer Request/Ticket numbers: NFC-8077
Affected Platforms: All Description: Changing statistics logging interval, when changing the statistics-logging interval the statistics may not display based on the new value. Customer Request/Ticket numbers: NFC-2092 Workaround: Reset the statistics to the default of 10 seconds using the reset option.