Default Port Specifications Reference
This reference provides information about the default port specifications that enable access to your ExtraHop appliances.
Discover appliance
| Resource | Port | Direction | Protocol |
|---|---|---|---|
| Access to the system interface through a web browser | 443 | Inbound | TCP |
| ExtraHop Cloud Services | 443 | Outbound | TCP |
| DNS | 53 | Outbound | TCP |
| ECA, ETA, EXA | 443 | Direct connections: Inbound Tunneled connections: Outbound |
TCP |
| iDRAC | 443 | Inbound | TCP |
| iDRAC SSH Admin | 22 | Inbound | TCP |
| Memcache - Open Data Context | 11211 | Inbound | TCP, UDP |
| NTP | 123 | Outbound | UDP |
| ODS - Kafka | 9092 | Outbound | TCP |
| ODS - MongoDB | 27018 | Outbound | TCP |
| ODS - REST | 80, 443 | Outbound | TCP |
| ODS - Syslog | 514 | Outbound | TCP, UDP |
| REST API | 443 | Inbound | TCP |
| Session Key Forwarding Listener | 4873 | Inbound | TCP |
| SMTP | 25, 465 | Outbound | TCP |
| SNMP and SNMPTRAP | 161, 162 | Bidirectional | UDP |
| SSH Admin | 22 | Inbound | TCP |
Command appliance
| Resource | Port | Direction | Protocol |
|---|---|---|---|
| Access to the system interface through a web browser | 443 | Inbound | TCP |
| DNS | 53 | Outbound | TCP, UDP |
| EDA, EXA, ETA | 443 | Direct connections: Outbound Tunneled connections: Inbound |
TCP |
| ExtraHop Cloud Services | 443 | Outbound | TCP |
| iDRAC | 443 | Inbound | TCP |
| iDRAC SSH Admin | 22 | Inbound | TCP |
| NTP | 123 | Outbound | UDP |
| REST API | 443 | Inbound | TCP |
| SMTP | 25, 465 | Outbound | TCP |
| SNMP and SNMPTRAP | 161, 162 | Bidirectional | UDP |
| SSH Admin | 22 | Inbound | TCP |
Explore appliance
| Resource | Port | Direction | Protocol |
|---|---|---|---|
| Access to the system interface through a web browser | 443 | Inbound | TCP |
| DNS | 53 | Outbound | TCP, UDP |
| ECA, EDA | 443 | Direct connections: Inbound Tunneled connections: Outbound |
TCP |
| EXA Cluster | 9443 | Bidirectional | TCP |
| iDRAC | 443 | Inbound | TCP |
| iDRAC SSH Admin | 22 | Inbound | TCP |
| NTP | 123 | Outbound | UDP |
| REST API | 443 | Inbound | TCP |
| SMTP | 25, 465 | Outbound | TCP |
| SNMP and SNMPTRAP | 161, 162 | Bidirectional | UDP |
| SSH Admin | 22 | Inbound | TCP |
Trace appliance
| Resource | Port | Direction | Protocol |
|---|---|---|---|
| Access to the system interface through a web browser | 443 | Inbound | TCP |
| DNS | 53 | Outbound | TCP, UDP |
| ECA, EDA | 443 | Direct connections: Inbound Tunneled connections: Outbound |
TCP |
| iDRAC | 443 | Inbound | TCP |
| iDRAC SSH Admin | 22 | Inbound | TCP |
| NTP | 123 | Outbound | UDP |
| REST API | 443 | Inbound | TCP |
| SMTP | 25, 465 | Outbound | TCP |
| SNMP and SNMPTRAP | 161, 162 | Bidirectional | UDP |
| SSH Admin | 22 | Inbound | TCP |
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