Is port 8042 (YARN NodeManager) dangerous?

Port 8042 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 8042 be open on my firewall?

Port 8042 should only be open with strict firewall rules whitelisting trusted IP addresses. Enable rate limiting and intrusion detection systems.

What transport protocol does port 8042 use?

Port 8042 (YARN NodeManager) uses the TCP transport protocol and falls under the Other category.

:8042 (TCP)

YARN NodeManager

High Risiko

TCP — Other

On this page

Ikhtisar Port

Nomor Port 8042

Nama Layanan YARN NodeManager

Protokol Transport TCP

Kategori Other

Risiko Keamanan High

Rentang Port Terdaftar (1024-49151)

Apa itu Port 8042?

Port 8042 is the default port for the Apache Hadoop YARN NodeManager web interface. NodeManagers run on each worker node in a Hadoop cluster to manage containers and report resource usage to the ResourceManager. The web UI on this port shows running containers, logs, and node health information.

TCP Other

Pertimbangan Keamanan

Port 8042 (YARN NodeManager) 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.

YARN NodeManager

Ikhtisar Port

Apa itu Port 8042?

Pertimbangan Keamanan

Port Terkait — Other

Istilah Terkait