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https://github.com/jonpulsifer/dnsmon-go

A golang DNS monitor inspired by https://github.com/gamelinux/passivedns
https://github.com/jonpulsifer/dnsmon-go

dns golang gopacket monitoring prometheus security security-tools

Last synced: 26 days ago
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A golang DNS monitor inspired by https://github.com/gamelinux/passivedns

Host: GitHub
URL: https://github.com/jonpulsifer/dnsmon-go
Owner: jonpulsifer
License: mit
Created: 2017-06-24T20:13:07.000Z (almost 7 years ago)
Default Branch: main
Last Pushed: 2024-05-09T13:19:06.000Z (about 1 month ago)
Last Synced: 2024-05-09T14:53:12.179Z (about 1 month ago)
Topics: dns, golang, gopacket, monitoring, prometheus, security, security-tools
Language: Go
Homepage:
Size: 6.39 MB
Stars: 29
Watchers: 5
Forks: 9
Open Issues: 3
Metadata Files:
- Readme: README.md
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md

Lists

awesome-stars-eryajf - jonpulsifer/dnsmon-go - A golang DNS monitor inspired by https://github.com/gamelinux/passivedns (Go)

README

        # dnsmon-go

![dnsmon-go](https://github.com/jonpulsifer/dnsmon-go/workflows/dnsmon-go/badge.svg)

![docker](https://github.com/jonpulsifer/dnsmon-go/workflows/docker/badge.svg)

[![Go Report Card](https://goreportcard.com/badge/github.com/jonpulsifer/dnsmon-go)](https://goreportcard.com/report/github.com/jonpulsifer/dnsmon-go)

This is a little program I wrote inspired by [passivedns](https://github.com/gamelinux/passivedns)

It logs all DNS packets it sees on a given interface

Sample output on Windows:

```powershell

INFO[0000] Prometheus endpoint: http://0.0.0.0:8080/metrics

INFO[0000] No flags specified, using defaults            interface="\Device\NPF_{2652E425-01C4-4EB5-AE0F-0DE011B69C61}" promiscuous=true snaplen=65536

INFO[0000] Listening on device: \Device\NPF_{2652E425-01C4-4EB5-AE0F-0DE011B69C61}

INFO[0003] QUERY                                         class=IN dst=8.8.8.8 id=19712 name=pulsifer.dev opcode=Query rcode="No Error" src=192.168.2.21 type=A

INFO[0003] QUERY                                         class=IN dst=192.168.2.21 id=19712 name=pulsifer.dev opcode=Query rcode="No Error" src=8.8.8.8 type=A

INFO[0003] ANSWER                                        class=IN dst=192.168.2.21 id=19712 ip=192.30.252.153 name=pulsifer.dev opcode=Query rcode="No Error" src=8.8.8.8 type=A

INFO[0003] ANSWER                                        class=IN dst=192.168.2.21 id=19712 ip=192.30.252.154 name=pulsifer.dev opcode=Query rcode="No Error" src=8.8.8.8 type=A

```

## Grafana

![grafana](https://raw.githubusercontent.com/jonpulsifer/dnsmon-go/master/images/grafana.png)

A dashboard has been included to get you started using `docker-compose`.

1. `docker-compose up`

2. Navigate to `localhost:3000` and log in to Grafana using `admin:admin`

3. Generate some DNS queries using `docker-compose exec dnsmon-go nslookup example.com`

4. Watch the dashboard go brr