Securly's IPs are cluster-specific. We also have different ranges depending on which filtering method you use.

DNS

Cluster	Direction	IPs	Protocol	Port
USWest	Outbound	50.18.216.174 50.18.216.175	tcp and udp	53
USEast	Outbound	184.72.238.58 184.72.238.71	tcp and udp	53
USEast2	Outbound	18.220.192.95 18.220.192.111	tcp and udp	53
Canada	Outbound	35.182.41.111 52.60.36.138	tcp and udp	53
UK	Outbound	3.10.96.65 3.10.73.55	tcp and udp	53

Proxy (DNS and SmartPAC)

Cluster

Direction

IPs

Protocol

Port

All

Outbound

204.110.220.0/22

67.226.220.0/22

tcp

80, 443

Destination Based Guest Network Policy

Cluster	Directions	IPs	Protocol	Port
USWest	Outbound	52.9.127.56 52.52.89.151	tcp and udp	53
USEast	Outbound	18.206.0.166 3.226.219.211	tcp and udp	53
USEast2	Outbound	18.219.22.71 13.59.234.13	tcp and udp	53
Canada	Outbound	35.183.218.234 35.182.94.148	tcp and udp	53
UK	Outbound	3.10.89.14 3.10.101.46	tcp and udp	53

CIPA Compliance Mode

During CIPA Compliance mode the -dp.securly.com endpoint for each cluster points to special load balancers that are designed to process traffic if the main system is impaired. These IPs should be allowed through firewalls in addition to the standard ranges:

Cluster	IP
USWest	54.215.16.136
USEast	34.228.139.54
Ohio (USEast2)	3.18.226.115
UK	3.10.184.103
Canada	15.222.186.67

How to allow Securly through your firewall?