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Network access requirements

To establish cloud connections, computers and devices running VNC Connect must be able to communicate with RealVNC’s cloud service at the locations in the table below. If a proxy or firewall is blocking outgoing communications, cloud connections cannot be established.

Nota

You don’t need to comply with these requirements if you have an Enterprise subscription and only establish direct connections.

If you are sure endpoints have network access but you still cannot establish cloud connections, check our service status page.

URL IPv4 address TCP port UDP port
https://auth-a.services.vnc.com 212.119.29.178 443 n/a
https://auth-b.services.vnc.com 165.254.191.246
https://auth-c.services.vnc.com 165.254.191.230
https://dir-a.services.vnc.com 212.119.29.179 443 n/a
https://dir-b.services.vnc.com 165.254.191.247
https://dir-c.services.vnc.com 165.254.191.231
https://hb-a.services.vnc.com 212.119.29.177 443 n/a
https://hb-b.services.vnc.com 165.254.191.245
https://hb-c.services.vnc.com 165.254.191.229
https://hc-1-gb-slg-1.services.vnc.com 212.119.29.128/28 443 3478
https://hc-2-gb-slg-1.services.vnc.com
https://hc-3-gb-slg-1.services.vnc.com
https://hc-1-us-ca-1.services.vnc.com 165.254.239.128/28
https://hc-2-us-ca-1.services.vnc.com
https://hc-3-us-ca-1.services.vnc.com
https://hc-1-us-va-1.services.vnc.com 165.254.191.192/28
https://hc-2-us-va-1.services.vnc.com
https://hc-3-us-va-1.services.vnc.com
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