ntopng-docker's Introduction

ntopng-docker

simple container to analyze network traffic based on https://github.com/Laisky/ntopng-docker for amd64 and arm.

use debian bullseye-slim image to have small base image
two tags: dev-latest for latest nightly (armhf, adm64), stable-latest for latest stable (amd64)
as of 2022/03/05, ntop version is v.5.2 for stable, 5.3 for nightly.
For the moment, no stable armhf version is available.

Docker tags: - latest: from repository - nightly-latest: from nightly repository

armhf latest version is here: https://packages.ntop.org/RaspberryPI/buster_pi/armhf/ntopng/

Official Docker file are here: https://github.com/ntop/docker-ntop

Official (x86_64) containers are here: https://hub.docker.com/r/ntop/ntopng

Usage

Container is using network host mode.

If you want to build from sources:

docker-compose build

using docker-compse.yml, notpng and redis volumes are persistent:

mkdir -m 777 /var/lib/ntopng/
docker-compose up -d

navigate to 0.0.0.0:27833
set admin password ( default login/pwd is admin/admin)

env value NTOP_UID and NTOP_GID are available to match user and group of local mounted volumes (./data/notpng, ./data/redis)

Note that with netplan.io, it is not possible to set an interface in promiscous mode, ie you can't monitor all flows, but only flows from or to the host. if anyone knows how to do with netplan, please let me know.

This command may help to set the interface to promiscuous mode: ip set link <interface> up promisc on

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ntopng: error while loading shared libraries: libcap.so.2: cannot open shared object file: No such file or directory

I'm trying to run this image on a Raspberry Pi 4 with Arch Linux ARM.

Here is my compose file:

version: "3.3"
services:
  ntop:
    image: edgd1er/ntopng:dev-latest
    restart: unless-stopped
    command: --community -d /var/lib/ntopng -i eth0 -r 127.0.0.1:6379@0 -w 0.0.0.0:3000
    cap_add:
      - NET_ADMIN
    network_mode: host
    environment:
      - TZ=America/Chicago
      - NTOP_UID=1000
      - NTOP_GID=1000
    volumes:
      - ./data/ntopng:/var/lib/ntopng
    depends_on:
      - redis

  redis:
    image: redis:alpine
    restart: unless-stopped
    command: --save 900 1
    ports:
      - 6379:6379
    volumes:
      - ./data/redis:/data

The image starts, however the webpage is inaccessible and the docker-compose log shows this:

ntop_1       | + setTimeZone
ntop_1       | + [[ -z America/Chicago ]]
ntop_1       | ++ cat /etc/timezone
ntop_1       | + [[ America/Chicago == America/Chicago ]]
ntop_1       | + return
ntop_1       | + setUid
ntop_1       | + '[' -n 1000 ']'
ntop_1       | ++ id -u ntopng
ntop_1       | + '[' 1000 -ne 1000 ']'
ntop_1       | + setGid
ntop_1       | + '[' '!' -z 1000 ']'
ntop_1       | ++ id -g ntopng
ntop_1       | + '[' '!' 1000 -eq 1000 ']'
ntop_1       | + ntopng --community -d /var/lib/ntopng -i eth0 -r 127.0.0.1:6379@0 -w 0.0.0.0:3000
ntop_1       | ntopng: error while loading shared libraries: libcap.so.2: cannot open shared object file: No such file or directory

My guess is that libcap wasn't installed when building the image since I can't find any results for it when searching in this repo.

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ntopng-docker's Issues

ntopng: error while loading shared libraries: libcap.so.2: cannot open shared object file: No such file or directory

Apt failes when aptcacher is not available

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