Suricata 2.0rc1 Available!

Photo by Eric Leblond

The OISF development team is proud to announce Suricata 2.0rc1. This is the first release candidate for Suricata 2.0. This release improves performance, stability and accuracy, in addition to adding exciting new features.

Get the new release here:

Notable changes

  • unified JSON output for almost all log types (eve-log). Written by Tom Decanio of nPulse Technologies
  • QinQ VLAN handling
  • Alerting over PCIe bus (Tilera only), by Ken Steel of Tilera
  • Add –set commandline option to override any YAML option, by Jason Ish of Emulex
  • Various scalability improvements, clean ups and fixes by Ken Steel of Tilera
  • ICMPv6 handling improvements by Jason Ish of Emulex
  • memcaps for DNS and HTTP handling were added
  • Several fixes and improvements of AF_PACKET and PF_RING
  • NSM runmode, where detection engine is disabled. Development supported by nPulse Technologies

All closed tickets

  • Feature #424: App layer registration cleanup – Support specifying same alproto names in rules for different ip protocols
  • Feature #542: TLS JSON output
  • Feature #597: case insensitive fileext match
  • Feature #772: JSON output for alerts
  • Feature #814: QinQ tag flow support
  • Feature #894: clean up output
  • Feature #921: Override conf parameters
  • Feature #1007: united output
  • Feature #1040: Suricata should compile with -Werror
  • Feature #1067: memcap for http inside suricata
  • Feature #1086: dns memcap
  • Feature #1093: stream: configurable segment pools
  • Feature #1102: Add a decoder.QinQ stats in stats.log
  • Feature #1105: Detect icmpv6 on ipv4
  • Bug #839: http events alert multiple times
  • Bug #954: VLAN decoder stats with AF Packet get written to the first thread only – stats.log
  • Bug #980: memory leak in http buffers at shutdown
  • Bug #1066: logger API’s for packet based logging and tx based logging
  • Bug #1068: format string issues with size_t + qa not catching them
  • Bug #1072: Segmentation fault in 2.0beta2: Custom HTTP log segmentation fault
  • Bug #1073: radix tree lookups are not thread safe
  • Bug #1075: CUDA 5.5 doesn’t compile with 2.0 beta 2
  • Bug #1079: Err loading rules with variables that contain negated content.
  • Bug #1080: segfault – 2.0dev (rev 6e389a1)
  • Bug #1081: 100% CPU utilization with suricata 2.0 beta2+
  • Bug #1082: af-packet vlan handling is broken
  • Bug #1103: stats.log not incrementing decoder.ipv4/6 stats when reading in QinQ packets
  • Bug #1104: vlan tagged fragmentation
  • Bug #1106: Git compile fails on Ubuntu Lucid
  • Bug #1107: flow timeout causes decoders to run on pseudo packets

Special thanks

We’d like to thank the following people and corporations for their contributions and feedback:

  • Ken Steele — Tilera
  • Jason Ish — Endace/Emulex
  • Tom Decanio — nPulse
  • Duarte Silva
  • Alessandro Guido
  • Petr Chmelar

Known issues & missing features

This is a “release candidate”-quality release so the stability should be good although unexpected corner cases might happen. If you encounter one, please let us know! As always, we are doing our best to make you aware of continuing development and items within the engine that are not yet complete or optimal.  With this in mind, please notice the list we have included of known items we are working on.

See issues for an up to date list and to report new issues. See Known_issues for a discussion and time line for the major issues.

About Suricata

Suricata is a high performance Network IDS, IPS and Network Security Monitoring engine. Open Source and owned by a community run non-profit foundation, the Open Information Security Foundation (OISF). Suricata is developed by the OISF, its supporting vendors and the community.