Is port 77 (Private RJE Service) dangerous?

Port 77 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 77 be open on my firewall?

Port 77 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 77 use?

Port 77 (Private RJE Service) uses the TCP/UDP transport protocol and falls under the System & Infrastructure category.

:77 (TCP/UDP)

Private RJE Service

Low Risiko

TCP/UDP — System & Infrastructure

Ikhtisar Port

Nomor Port 77

Nama Layanan Private RJE Service

Protokol Transport TCP/UDP

Kategori System & Infrastructure

Risiko Keamanan Low

Rentang Port Well-Known (0-1023)

Apa itu Port 77?

Reserved by IANA for any private Remote Job Entry (RJE) service. Designated for custom batch job submission systems.

TCP/UDP System & Infrastructure

Pertimbangan Keamanan

Port 77 (Private RJE Service) 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