This article documents the official Xovis firewall and network requirements for sensors running Firmware 5.x (current) and Firmware 3.x/4.x (legacy). Source: Xovis Knowledge Base.

Firmware 5.x — Required outbound connections (sensor → internet)

All connections are outbound only from the sensor. No inbound ports need to be opened.

Port

Protocol

Destination

Purpose

443 TCP

HTTPS

*.xovis.cloud / *.xovis.com

HUB Device Control — whitelist with wildcards (Xovis Cloud IPs are dynamic)

443 TCP

HTTPS

remotesupport.xovis.com (185.187.120.162)

Xovis remote support

443 TCP

HTTPS

iot.xovis.com (185.187.120.166)

Update service & licensing — mandatory

443 TCP

HTTPS

pip.xovis.com (185.187.120.6)

Product Improvement Program (optional)

123 UDP

NTP

Time server

Time synchronisation — sensors can also act as NTP server

Firmware 5.x — Optional local network connections

5365 UDP

Client → Sensor

Sensor discovery scan within same network

443 TCP (HTTPS)

Client → Sensor

WebUI, REST API, Sensor Explorer — recommended

80 TCP (HTTP)

Client → Sensor

WebUI, REST API (not recommended — unencrypted)

Any TCP

Parent → Child sensor

Multisensor parent-child connection (HTTPS)

Firmware 3.x / 4.x — Required connections (legacy sensors)

Firmware 3.x/4.x sensor-support.xovis.com endpoint reaches end of support 31 July 2026. Update sensors to FW5 before this date.

443 TCP

sensor-support.xovis.com (185.187.121.9)

Sensor support — EOS Jul 31, 2026

443 TCP

IBEX server

Remote management

443 TCP

licserver.xovis.com/sensor/plugin/issue (185.187.120.6)

License server — mandatory for recurring licences

123 UDP

Time server

NTP — note: local Microsoft timeserver does NOT work

Data usage reference

Bandwidth (ideal)

> 200 KB/s (4 fps in live view)

Bandwidth (minimum)

100 KB/s (limited live view fps)

Data transmission (no WebUI)

< 20 KB/s

HUB heartbeat

~3.54 MB/month per sensor (every 2 min, 168 bytes)

NTP sync

0.2–4 MB/month

IoT/licensing/update check

~15 MB/month (once per day)

Live data push (1 min interval)

~19 MB/month per sensor

Power consumption

PC2SE

max. 7.5W

~6.57 CHF/year (at 0.10 CHF/kWh)

PC2RE

max. 8W

~7.01 CHF/year

PC3SE

max. 7.5W

~6.57 CHF/year

max. 15.4W

~13.49 CHF/year

For the Vemcount-specific firewall requirements (data push to Vemcount servers), see the Vemcount firewall guidelines. Both the Xovis requirements above AND the Vemcount requirements must be met for full functionality.

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