fi-vnf

Small VNF for Future Internet course, SS'19 UPB

The VNF is a spam filter. It collects traffic only on port 25 and ignores other ports.

Requirements for Scapy

Collect the requirements using apt (Ubuntu) or your favorite package manager.

apt install python3 python-dev python3-dev build-essential libssl-dev libffi-dev libxml2-dev libxslt1-dev zlib1g-dev python-pip libnetfilter-queue-dev 

Installing the SPAM-VNF module

git clone https://github.com/qarawlus/fi-vnf.git
cd fi-vnf
python setup.py install

Running the VNF

Running in mininet with provided example (Using ryu-controller)

Inside the fi-vnf folder run commands according to the following

$ ryu-manager <PATH_TO_RYU_CONTROLLER>/ryu/app/simple_switch.py
$ sudo mn --custom res/fi.py --topo FI_TOPO --switch ovsk --controller
mininet> xterm sf
xterm> ./initiate.sh
xterm> spam-vnf -d res/dict.yaml

Here, -d res/dict.yaml defines the filter rules file that is being used for the spam filtering

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You can test connectivity on ports other than 25 by simply running the following:

mininet> h1 ping h2