If your organization uses restricted firewall or proxy server settings, your network administrator may need to allow certain IP addresses/ranges to ensure Barracuda Networks cloud products and services work as expected.
The following lists the IP addresses used by Barracuda Networks cloud products and services. For IP addresses used by Barracuda Networks appliances, see Required Outbound Connections for Barracuda Networks Appliances.
Barracuda Cloud Archiving Service
Ports used for outbound connections are 25 (to send the journal mail) and 443 (for users to access Barracuda Cloud Control).
IP addresses used for outbound connections. For more information, see Data Transfer IP Ranges.
AWS Open Outbound Connections
Region | IP Address/Range |
|---|---|
US (us-east-2) | 3.145.244.16/28 |
Canada (ca-central-1) | 15.156.150.240/28 |
APAC China, APAC Australia, and Japan (ap-southeast-2) | 3.27.87.192/28 |
Europe (eu-central-1) | 3.77.79.144/28 |
United Kingdom (eu-west-2) | 13.42.133.144/28 |
Barracuda Cloud Control
IP addresses used for incoming connections for active directory authentication. For more information, see Active Directory Authentication.
35.170.131.81
54.156.244.63
54.209.169.44
Content Shield
IP addresses used for syslog integration. For more information, see Syslog Integration with Barracuda Content Shield.
Region | IP Address/Range |
|---|---|
AWS East |
|
AWS EU |
|
Email Gateway Defense
IP addresses used for traffic to and from Email Gateway Defense. For more information, see Email Gateway Defense IP Ranges Used for Configuration.
| Network Traffic to Email Gateway Defense (SMTP) | Network Traffic from Email Gateway Defense (SMTP and other) |
|---|---|---|
Australia (AU) | 3.24.133.128/25 | 3.24.133.128/25 |
Canada (CA) | 15.222.16.128/25 | 15.222.16.128/25 |
Germany (DE) |
| 35.157.190.224/27 |
United Kingdom (UK) |
| 35.176.92.96/27 |
United States (US) | 209.222.80.0/21 | 209.222.80.0/21 |
Impersonation Protection
IP addresses used for syslog integration. For more information, see How to Connect to a Syslog.
3.232.50.116
52.202.236.132
Incident Response
IP addresses used for syslog integration. For more information, see Syslog Options Settings.
3.232.50.116
52.202.236.132
Security Awareness Training
IP address used for email campaigns. For more information, see Email Allow List and Best Practices.
3.145.232.16/28