Tuesday, November 23, 2021

Snort has been released — Check out this new version!


The SNORTⓇ team recently released a new version of Snort 3 on Snort.org and the Snort 3 GitHub.


Snort contains several new features and bug fixes. Here's a complete rundown of what's new in this version. Users are encouraged to update as soon as possible and to upgrade to Snort 3 if they have not already done so.

Here's a rundown of all the changes and new features in this latest version of Snort 3.
  • appid: Restore the log of reloading detectors' complete message.
  • build: Remove HAVE_HYPERSCAN conditional from the installed header.
  • detection: Add allow_missing_so_rules.
  • detection: Ensure PDUs indicate parent when available.
  • dnp3: Update built-in rule description.
  • doc: Arp_spoof built-ins.
  • doc: Back orifice built-in rules.
  • doc: Spelling correction.
  • doc: Update built-in alerts description for dnp3.
  • doc: Update built-in alerts description for modbus, HTTP/2.
  • doc: Update built-in alerts description for portscan.
  • doc: Update built-in rule documentation for http_inspect.
  • doc: Update built-in rules documentation for dce_smb, dce_tcp, dce_udp, rpc_decode.
  • doc: Updated built-in rules documentation for SSH.
  • http2_inspect: Hardening.
  • http2_inspect: http1_header buffer always created immediately after decode_headers.
  • http2_inspect: Push promise error state check.
  • http2_inspect: Truncated trailers without frame data.
  • ips_option: Enabling trace for vba_data options and fixing memory leak while extracting vba_data.
  • main: Use a dynamic buffer on-demand in trace print functions.
  • u2spewfoo: Fixed incorrect usage line.

Snort 3 is the next generation of the Snort Intrusion Prevention System. The GitHub page will walk users through what Snort 3 has to offer and guide users through the steps of getting set up — from download to demo. Users unfamiliar with Snort should start with the Snort Resources page and the Snort 101 video series

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