Important Note
Before you deploy BloxOne services and on-prem hosts, ensure that you prepare your environment according to the requirements for the supported platforms and open all necessary ports for unrestricted outbound access.
Port Usage for Firewall
The following table lists the ports that must be available in your firewall for the BloxOne on-prem hosts to function properly.
| IP Protocol | Port | Services that use this port | Destination | Description | IPs and URLs (if applicable) |
|---|---|---|---|---|---|
| TCP & UDP | 53 |
| csp.infoblox.com | For the Cloud Services Portal connectivity to work as desired, the TCP and UDP 53 ports are used as the outbound ports to all cloud addresses. | N/A |
| UDP | 67 | DHCP | N/A | Used for DHCP service | N/A |
| TCP | 80 | Redirect Server | N/A | Used for redirect purposes | Default redirect IP: 52.4.105.248 |
| UDP | 123 |
|
| Used for NTP server synchronization Used for the NTP Pool, and only if time sync with EXSi is disabled | N/A |
| TCP | 443 | Redirect Server | N/A | Used for redirect purposes | Default redirect IP: 52.4.105.248 |
| TCP | 443 |
|
|
| |
| TCP | 443 |
|
|
| For BloxOne Threat Defense Cloud DNS Server:
|
| TCP | 647 | DHCP | dhcp.bloxone.infoblox.com | Used for DHCP and DHCP HA (High Availability) | N/A |
| UDP | 647 | DHCP clustering | dhcp.bloxone.infoblox.com | Used for DHCP clustering load balancing | N/A |
| TCP | 847 | DHCP clustering | dhcp.bloxone.infoblox.com | Used for DHCP clustering | N/A |
For additional information on requirements for the BloxOne connectivity service, see the following:
- Minimum System Requirements for On-Prem Hosts
- Supported Platforms for On-Prem Hosts
- Port Usage for Bare-Metal On-Prem Hosts