menu

Firewall Rules for Zoom Phone Hardware/Appliances


(Updated: March 3, 2023)

The table below lists IP addresses and ports used for Zero Touch Provisioning on Zoom certified Grandstream devices. Network administrators can refer to this table when configuring firewall rules to accommodate Zero Touch Provisioning on Grandstream devices.

Domain IP Address Port Protocol
acs.gdms.cloud 35.161.51.90 80
443
HTTP
HTTPS
stun1.gdms.cloud 34.215.167.138 3478
3479
UDP
stun-guest-a.gdms.cloud 207.246.119.209 3478
3479
UDP
euacs.gdms.cloud 3.71.171.8 80
443
HTTP
HTTPS
eu.stun1.gdms.cloud 52.28.7.85 3478
3479
UDP
syslog.gdms.cloud 34.215.167.138 6514
TLS
us.download.gdms.cloud 144.202.94.88 80
443
HTTP
HTTPS
eu.syslog.gdms.cloud 52.28.7.85 6514
TLS
eu.download.gdms.cloud 217.69.12.50 80
443
HTTP
HTTPS