Suricata 4.0.1 available!


We are pleased to announce Suricata 4.0.1.  This is regular bug fix release fixing various issues. Also added is much improved Napatech support.


  • Feature #2114: Redis output: add RPUSH support
  • Feature #2152: Packet and Drop Counters for Napatech
  • Bug #2050: TLS rule mixes up server and client certificates
  • Bug #2064: Rules with dual classtype do not error
  • Bug #2074: detect msg: memory leak
  • Bug #2102: Rules with dual sid do not error
  • Bug #2103: Rules with dual rev do not error
  • Bug #2151: The documentation does not reflect current suricata.yaml regarding cpu-affinity
  • Bug #2194: rust/nfs: sigabrt/rust panic – 4.0.0-dev (rev fc22943)
  • Bug #2197: rust build with lua enabled fails on x86
  • Bug #2201: af_packet: suricata leaks memory with use-mmap enabled and incorrect BPF filter
  • Bug #2207: DNS UDP “Response” parsing recording an incorrect value
  • Bug #2208: mis-structured JSON stats output if interface name is shortened
  • Bug #2226: improve error message if stream memcaps too low
  • Bug #2228: enforcing specific number of threads with autofp does not seem to work
  • Bug #2244: detect state uses broken offset logic (4.0.x)


Special thanks

Qidu Sy, Phil Young – Napatech, Mats Klepsland, Sascha Steinbiss, Alexander Gozman, Derek Kingsbury, Julian Wecke, Pierre Chifflier, Jason Taylor


  • User Training at SuriCon 2017, in Prague:
  • New: rule writing training ‘SigDev’ at SuriCon:

Conference attendees get a 20% discount!

SuriCon 2017

Less than one month to SuriCon 2017! Come meet the Suricata community and development team to discuss all things Suricata at the third edition of the annual Suricata Conference. SuriCon 2017 will be next month in Prague:

About Suricata

Suricata is a high performance Network Threat Detection, 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.