[Snort-devel] Snort 2.9.4 Now Available

Snort Releases snortreleases at ...835...
Mon Dec 3 15:10:25 EST 2012


Snort 2.9.4 is now available on snort.org, at
http://www.snort.org/snort-downloads/ in the Latest Release section.

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Please note:
2.9.3.1 & later packages are signed with a new PGP key
(that key is signed with the previous key).
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Snort 2.9.4 includes changes for the following:

[*] New additions

  * Consolidation of IPv6 -- now only a single build supports both
    IPv4 & IPv6, and removal of the IPv4 "only" code paths.

  * File API and improvements to file processing for HTTP downloads
    and email attachments via SMTP, POP, and IMAP to facilitate
    broader file support

  * Use of address space ID for tracking Frag & Stream connections
    when it is available with the DAQ

  * Logging of packet data that triggers PPM for post-analysis via
    Snort event

  * Decoding of IPv6 with PPPoE

  * Added an API call to add a service to a host in the attribute table.
    Remove the unused live attribute update code.

[*] Improvements

  * Update to Stream5 PAF for handling gaps in the sequence numbers of
    packets being reassembled.

  * Selection of the Stream TCP policy based on the server rather than
    the destination of first packet seen by Snort

  * Allow disabling of global thresholds via a count of -1

  * Prevent blocking duplicate SYNs when using inline normalization

  * Add SSLv3 backwards compatibility support for SSLv2 ClientHello
    messages

  * Allow active responses to packets without data (eg, a TCP SYN)

  * Changed logic of option evaluations for shared library rules that
    use a custom evaluation function to match that of the builtin logic
    when the NOT_FLAG is used.  The 'NOT' matching now happens within
    each of the individual rule option evaluation functions.

  * Updated SMTP preprocessor to better handle commands that have
    corresponding data on a subsequent line to reduce false positives.
    3 commands fall into this category - X-EXPS, XEXCH50, and BDAT.

  * Improve support for encapsulated & tunneling protocols to block or
    fastpath a connection within the tunnel rather applying that to
    the whole tunnel.

Please see the Release Notes and ChangeLog for more details.

Please submit bugs, questions, and feedback to bugs at ...2256...

Happy Snorting!
The Snort Release Team





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