SiLK Release 3.17.0, 2018-Apr-19







  • Add support in rwaggbagtool for removing rows when a value is above or below a threashold or when an IP address is in or is not in an IPset.
  • Change how rwsetcat displays IPv4 addresses in an IPset containing both IPv4 and IPv6 addresses.
  • Add support for millisecond timestamps in rwuniq and rwstats.
  • Add support for the GeoIP2 version of MaxMind's country code comma-separated value files and binary files. (Binary file support requires libmaxminddb library support.)
Full Release Notes

SiLK Release 3.16.1, 2018-Feb-15







  • Fix bugs in rwstats, rwuniq, rwbagcat, rwsender, rwreceiver, rwflowpack, and flowcap.
Full Release Notes

SiLK Release 3.16.0, 2017-Jun-29







  • In rwstats, compute percentage columns when primary value is a distinct count.
  • Change how the flowrate plug-in handles flows that have a duration of zero.
  • Make additional changes and bug fixes.
Full Release Notes

SiLK Release 4.0.0_beta4, 2017-Jun-29







  • SiLK 4.x is beta software.
    • The applications have been lightly tested. Some applications may change in incompatible ways in future releases.
    • The analysis tools in SiLK 4.x are largely compatible with those in SiLK 3.x, though SiLK 4.x removes command line switches that were marked as deprecated in SiLK 3.x.
    • The configuration of rwflowpack has radically changed from SiLK 3.x. The flowcap and rwflowappend tools no longer exist.
    • Replacing a SiLK 3.x installation with SiLK 4.x is not recommended without substantial testing first.
  • SiLK Flow files support Sidecar data
    • Allow SiLK Flow files to augment the traditional SiLK Flow record with "sidecar" data. Sidecar data is represented as a Lua table of key-value pairs.
  • Many additional changes.
Full Release Notes

SiLK Release 3.15.0, 2017-Mar-24







  • Add Aggregate Bag tools that are similar to the traditional SiLK Bag tools but support multiple fields in the key and counter.
  • Add a new plug-in to compute a hash value using the same algorithm as YAF's getFlowKeyHash utility.
  • Add --output-path and --xargs switches to some tools.
  • Remove support for fixbuf releases prior to libfixbuf-1.7.0.
  • Make additional changes and bug fixes.
Full Release Notes

SiLK Release 3.14.0, 2016-Nov-17







  • Add new IPset file format for IPv6 flow records.
  • Allow the installer of SiLK to choose the default IPset file format written by SiLK.
  • Allow rwsetcat to count the IPs in an IPset stream without loading the IPset into memory.
  • Add a work-around for NetFlow v9 records from a SonicWall device.
Full Release Notes

SiLK Release 2.5.0, 2012-Jun-28







  • Provide a new configure switch to work-around issues when reading NetFlow v9 flow records from a Cisco ASA router.
Full Release Notes