tadasv / flowd

Network monitoring service

flowd

Flowd is a simple network monitoring service. It captures TCP/IP traffic and keeps track of source -> destination mappings, which are exposed via HTTP server running on port 7777.

Sample output:

{
  "10.0.2.15:37745": "128.101.240.215:80",
  "10.0.2.15:39323": "173.220.95.85:80",
  "10.0.2.15:44995": "5.153.231.35:80",
  "10.0.2.15:50510": "128.61.240.89:80",
  "10.0.2.15:58835": "64.50.233.100:80",
  "128.101.240.215:80": "10.0.2.15:37745",
  "128.61.240.89:80": "10.0.2.15:50510",
  "173.220.95.85:80": "10.0.2.15:39323",
  "5.153.231.35:80": "10.0.2.15:44995",
  "64.50.233.100:80": "10.0.2.15:58835"
}

Running on Docker

docker run -p 7777:7777 --rm --net=host tadasv/flowd

Running everywhere else

./flowd

Developing

To make development easier it comes docker dev shell.

Run make dev to start dev environment inside Docker.

Alternatively you will need libpcap-dev and golang to build the code.

Building

Run make docker-build to build flowd from source code ussing Docker golang image.

Creating docker image

• make docker-build
• make docker-image