Is port 9870 (HDFS NameNode Web UI) dangerous?

Port 9870 is classified as high risk. It is a common target for automated scanning and brute-force attacks. Restrict access to trusted IPs if exposure is necessary.

Should port 9870 be open on my firewall?

Port 9870 should only be open with strict firewall rules whitelisting trusted IP addresses. Enable rate limiting and intrusion detection systems.

What transport protocol does port 9870 use?

Port 9870 (HDFS NameNode Web UI) uses the TCP transport protocol and falls under the Other category.

:9870 (TCP)

HDFS NameNode Web UI

High Risiko

TCP — Other

Ikhtisar Port

Nomor Port 9870

Nama Layanan HDFS NameNode Web UI

Protokol Transport TCP

Kategori Other

Risiko Keamanan High

Rentang Port Terdaftar (1024-49151)

Apa itu Port 9870?

Port 9870 is the default web UI port for the Apache Hadoop HDFS NameNode in Hadoop 3.x. The NameNode web interface provides information about the HDFS cluster, including file system health, DataNode status, and block replication statistics. Earlier Hadoop versions used port 50070 for the same purpose.

TCP Other

Pertimbangan Keamanan

Port 9870 (HDFS NameNode Web UI) diklasifikasikan sebagai risiko tinggi. Port ini adalah target umum untuk pemindaian otomatis dan serangan brute-force. Jika harus diekspos, batasi akses ke alamat IP yang diketahui.

Rekomendasi: Gunakan aturan firewall untuk memasukkan IP tepercaya ke whitelist. Aktifkan pembatasan kecepatan dan deteksi intrusi.

Port Terkait — Other

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Istilah Terkait

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