flowd 0.9

flowd application is a fast, small and secure NetFlow collector.
flowd application is a fast, small and secure NetFlow collector.

Here are some key features of "flowd":

Understands NetFlow protocol v.1, v.5, v.7 and v.9 (including IPv6 flows)
Supports both IPv4 and IPv6 transport of flows
Secure: flowd is privilege separated to limit the impact of any compromise
Supports filtering and tagging of flows, using a packet filter-like syntax
Stores recorded flow data in a compact binary format which supports run-time choice over which flow fields are stored
Ships with both Perl and Python interfaces for reading and parsing the on-disk record format
Is licensed under a liberal BSD-like license
Supports reception of flow export datagrams sent to multicast groups (IPv4 and IPv6), thereby allowing the construction of redundant flow collector systems

flowd works with any standard NetFlow exporter, including hardware devices (e.g. routers) or software flow tracking agents, such as my own softflowd and pfflowd. Please refer to the README for more information.

The flowd daemon follows the Unix philosophy of "doing one thing well" - it doesn't try to do anything beyond accepting NetFlow packets and storing them in a standard format on disk. In particular, it does not include support for storing flows in multiple formats or performing data analysis. That sort of thing is left to external tools. The source distribution includes several example tools including a basic reporting script and one to store flows in a SQL database.

What's New in This Release:

This release includes major improvements to performance and functionality.
In particular, the flow format has been modified to store more information and be faster to read, input and output buffering has been improved, new flow filtering options have been added, and the Python API has been rewritten and extended to be many times faster.

last updated on:
February 27th, 2006, 23:34 GMT
price:
FREE!
developed by:
Damien Miller
homepage:
www.mindrot.org
license type:
BSD License 
category:
ROOT \ System \ Networking

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