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Home > Success Center > Archive > 2018June04 - NTA Redirects > NTA Installation > NTA port requirements

NTA port requirements

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The following table lists ports that SolarWinds NetFlow Traffic Analyzer uses to communicate with other devices and servers.

Port Protocol Service/Process Direction Description
80 TCP World Wide Web Publishing Service Bidirectional Port used for web console and any other web servers.
137 UDP NetBIOS Outbound

Port for outbound traffic if NetBIOS name resolution is turned on.

When NTA is trying to resolve the NetBIOS names of servers in their conversations, you may find a large amount of outbound UDP 137 traffic from the NTA collector to a number of external addresses. You can confirm the traffic by using the Flow Navigator to match the outbound connections to existing conversations.

This is normal behavior when NetBIOS is enabled. An easy way to demonstrate the behavior is to disable NetBIOS in NTA and watch all outbound connections terminate.

161

UDP

TCP

SolarWinds Job Engine v2 Outbound Port used for sending and receiving SNMP information, including polling CBQoS-enabled devices.
1433 TCP

SolarWinds NetFlow Service

SolarWinds NetFlow Storage Service

Outbound Port used for communication between the NetFlow Service or NTA Flow Storage Database and the existing SQL server.

1434

UDP

SolarWinds NetFlow Service

SolarWinds NetFlow Storage Service

SQL Browse Service

Outbound The port used for communication between the NetFlow Service or NTA Flow Storage Database and the Orion database. This port is required only if your SQL Server is configured to use dynamic ports.
2055 UDP SolarWinds NetFlow Service Inbound Port for receiving flows on any SolarWinds NTA collector.
5671 TCP RabbitMQ Bidirectional Rabbit MQ messaging.
17777 TCP SolarWinds Information Service Bidirectional

Port for sending and receiving traffic between SolarWinds NPM and other Orion Modules.

Port used for communication between remote Flow Storage Database and NTA Main Poller.

17778 HTTPS and TCP SolarWinds Information Service Bidirectional Open to access the SolarWinds Information Service API and agent communication.
17791 TCP SolarWinds Agent Bidirectional Open for agent communication on any SolarWinds Orion server running Windows Server 2008 R2 SP1.
Device-specific       Any port required by a specific device.

For a complete list of the port requirements for the SolarWinds Orion server, see the Port Requirements document.

 
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