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Port50070— Apache Hadoop

Hadoop NameNode port for distributed file system management

Registry assignments, software defaults and local listeners are different things. A port number alone does not identify or secure a service.

Software Using This Port (3 software)

Community software entries: links are references, not individual verification.

Apache Hadoop

DistributedStorageFrameworkHDFS NameNode Web

Cloudera Distribution

ClouderaHadoop

Hadoop HDFS NameNode Web UI (Legacy)

Hadoop HDFS NameNode Web interface (Legacy)

Usage Suggestions

  • Before using port 50070, please confirm it is not occupied by other services
  • If you encounter port conflicts, consider using other ports or stopping the occupying service

Frequently asked questions

What is port 50070 used for?

Port 50070 sits in the Enterprise category. This page lists the registered purpose and the software commonly associated with it; to see what is actually listening on a specific machine, check the process with ss/netstat.

Is port 50070 TCP or UDP?

The registered protocol on this page is TCP. The same number behaves independently on each protocol: TCP may be listening while UDP is idle, so check them separately.

How do I check if port 50070 is in use?

On Linux: sudo ss -tlnp 'sport = :50070' for an exact port match. On macOS: sudo lsof -nP -iTCP:50070 -sTCP:LISTEN. On Windows PowerShell: Get-NetTCPConnection -LocalPort 50070 -State Listen. A listener counts as confirmed only when you can see the bind address and process name; without root/admin you will not see other users' processes.

Is port 50070 secure? Should I open it in my firewall?

A port number has no inherent security — it depends on whether the listening service is correctly configured and whether it needs exposure at all. Keep loopback/internal-only services firewalled; where public access is required, pair it with source restrictions, VPN or authentication.

Quick Info

Port
50070
Protocol
TCP
Categories
Enterprise
Usage Status
3 software in use

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