Snort 22.214.171.124 can be downloaded from the usual location on Snort.org.
Below are the release notes:
[*] New additions
- Changes to eliminate Snort restart when there are changes to the memory allocated for preprocessors, by releasing unused or least recently used memory when needed.
- Added support for storing filenames in Unicode for SMB protocol.
- Added implementation of hostPortCache versioning for unknown flows in AppID to detect and block BitTorrent.
- Enhanced RTSP metadata parsing to match the user-agent field to detect RTSP traffic over Windows Media.
- Performance improvement when SYN rate limit has reached and drop is configured as next action
- Control-socket and side-channel support for FreeBSD platform.
- Fixed issue in file signature lookup for retransmitted FTP packet.
- Enhanced the processing of SIP/RTP future flows without ignoring them.
- Changes made in PDF/SWF decompression by adding boundary to the size of the decompressed data.
- Added a null check to prevent copy unless debugHostIp is configured in AppId.
- Fixed issue where FTP file type block doesn't work for retried download.
- Resolved issue where Snort is inappropriately handling traffic for which AppId was creating future flow.
- Performance improvements for SIP/RTP audio and video data flow in AppId.
- Performance and stability improvements in FTP preprocessor like incorrect referencing of ftp_data_session after its pruned.
- Stability improvement by resolving valgrind reported issues in AppId.
- Improved flushing mechanism for HTTP POST header.
- Added changes to display AppId for IPv6 unified events.
- Fixed issues with printing of messages for out-of-order packets.
- Fixed issue in increment of detection filter counter when rule is used in multiple configurations.
- Fixed dynamic preprocessor compilation failure in OpenBSD platform.
- Added changes to improve performance of ipvar list comparison.
- Enhanced SMTP client detection by allowing line folding and all authentication methods.
As always, join the conversation over on the Snort-Users list for any installation or upgrade assistance!