mirror of https://github.com/D4-project/d4-core
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README.md
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README.md
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# D4 core
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Software components used for the D4 project
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D4 core are software components used in the D4 project. The software includes everything to create your own sensor network or connect
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to an existing sensor network using simple clients.
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## D4 core client
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[D4 core client](https://github.com/D4-project/d4-core/tree/master/client) is a simple and minimal implementation of the [D4 encapsulation protocol](https://github.com/D4-project/architecture/tree/master/format). There is also a [portable D4 client](https://github.com/D4-project/d4-goclient) in Go including the support for the SSL/TLS connectivity.
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### Requirements
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- Unix-like operating system
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- make
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- a recent C compiler
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### Usage
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The D4 client can be used to stream any byte stream towards a D4 server.
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As an example, you directly stream tcpdump output to a D4 server with the following
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script:
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````
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tcpdump -n -s0 -w - | ./d4 -c ./conf | socat - OPENSSL-CONNECT:$D4-SERVER-IP-ADDRESS:$PORT,verify=0
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````
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~~~~
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d4 - d4 client
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Read data from the configured <source> and send it to <destination>
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Usage: d4 -c config_directory
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Configuration
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The configuration settings are stored in files in the configuration directory
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specified with the -c command line switch.
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Files in the configuration directory
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key - is the private HMAC-SHA-256-128 key.
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The HMAC is computed on the header with a HMAC value set to 0
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which is updated later.
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snaplen - the length of bytes that is read from the <source>
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version - the version of the d4 client
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type - the type of data that is send. pcap, netflow, ...
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source - the source where the data is read from
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destination - the destination where the data is written to
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~~~~
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### Installation
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~~~~
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cd client
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git submodule init
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git submodule update
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~~~~
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## D4 core server
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D4 core server is a complete server to handle clients (sensors) including the decapsulation of the [D4 protocol](https://github.com/D4-project/architecture/tree/master/format), control of
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sensor registrations, management of decoding protocols and dispatching to adequate decoders/analysers.
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### Requirements
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- uuid-dev
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- make
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- a recent C compiler
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- Python 3.6
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- GNU/Linux distribution
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### Installation
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~~~~
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cd server
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./install_server.sh
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./LAUNCH.sh -l
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~~~~
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The web interface is accessible via `http://127.0.0.1:7000/`
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