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github.com/bio-routing/tflow2
tflow2 is an in memory netflow version 9, IPFIX and Sflow analyzer. It is designed for fast arbitrary queries and exports data to Prometheus.
Quick install with go get -u github.com/bio-routing/tflow2
and go build github.com/bio-routing/tflow2
or download a pre-built binary from the
releases page.
The release binaries have an additional command, tflow2 -version
,
which reports the release version.
Once you start the main binary it will start reading netflow version 9 packets
on port 2055
UDP and IPFIX packets on port 4739
on all interfaces.
For user interaction it starts a webserver on port 4444
TCP on all interfaces.
The webinterface allows you to run queries against the collected data. Start time and router are mandatory criteria. If you don't provide any of these you will always receive an empty result.
There is YAML file as config. Defaults can be found in config-example.yml
.
You'll at least need to add your Netflow/IPFIX/Sflow agents and adjust (if you don't
want to work with interface IDs) your SNMP RO community.
-alsologtostderr
Will send logs to stderr on top.
-channelBuffer=int
This is the amount of elements that any channel within the program can buffer.
-dbaddworkers=int
This is the amount of workers that are used to add flows into the in memory database.
-log_backtrace_at
when logging hits line file:N, emit a stack trace (default :0).
-log_dir
If non-empty, write log files in this directory.
-logtostderr
log to standard error instead of files.
-samplerate=int
Samplerate of your routers. This is used to deviate real packet and volume rates in case you use sampling.
-sockreaders=int
Num of go routines reading and parsing netflow packets (default 24).
-stderrthreshold
logs at or above this threshold go to stderr.
-v value
log level for V logs.
-vmodule value
comma-separated list of pattern=N settings for file-filtered logging.
Please be aware this software is not platform independent. It will only work on little endian machines (such as x86)
(c) Google, EXARING, Oliver Herms, 2017. Licensed under Apache-2 license.
This is not an official Google product.
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Socket MCP brings real-time security checks to AI-generated code, helping developers catch risky dependencies before they enter the codebase.
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