Is port 72 (NETRJS-2) dangerous?

Port 72 is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose with standard security practices.

Should port 72 be open on my firewall?

Port 72 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 72 use?

Port 72 (NETRJS-2) uses the TCP/UDP transport protocol and falls under the System & Infrastructure category.

:72 (TCP/UDP)

NETRJS-2

Low Risiko

TCP/UDP — System & Infrastructure

Ikhtisar Port

Nomor Port 72

Nama Layanan NETRJS-2

Protokol Transport TCP/UDP

Kategori System & Infrastructure

Risiko Keamanan Low

Rentang Port Well-Known (0-1023)

Apa itu Port 72?

NETRJS-2 is the second of four ports (71-74) assigned to the ARPANET Remote Job Entry service for submitting batch workloads to remote mainframes. Defined in RFC 740 and used in the early ARPANET environment of the 1970s. It is completely obsolete.

TCP/UDP System & Infrastructure

Pertimbangan Keamanan

Port 72 (NETRJS-2) diklasifikasikan sebagai risiko rendah. Layanan ini menggunakan enkripsi atau memiliki permukaan serangan yang minimal, sehingga relatif aman untuk diekspos.

Rekomendasi: Terapkan praktik keamanan standar. Jaga perangkat lunak tetap diperbarui dan pantau akses.

Port Terkait — System & Infrastructure

0 Reserved 1 TCPMUX 2 Management Utility 3 CompressNET 4 Unassigned 5 RJE 6 Unassigned 7 Echo

Istilah Terkait

Bandwidth Latency Packet Loss Ping Throughput ASN