TCP 19999
Synopsis
- Netdata (open-source monitoring/observability agent) serves its web dashboard and API on TCP port 19999 by default.
- It’s widely deployed on Linux servers and in containers; the official netdata/netdata Docker image exposes 19999 for the UI.
- Network appliances often bundle it, for example Ubiquiti EdgeRouter and UniFi OS devices provide a Netdata-based stats page on 19999.
- Firewalls like OPNsense offer an os-netdata plugin that listens on 19999 when enabled.
- NAS platforms (e.g., Synology and QNAP via community packages) and embedded Linux distributions like OpenWrt commonly run Netdata on 19999.
- Security note: attackers routinely scan for exposed 19999/tcp to find Netdata dashboards; if left open or outdated, these can leak detailed system information and have been targeted for reconnaissance or exploitation of past Netdata flaws.
Observed activity
Last 30 days
Detailed chart