Is port 165 (XNS-Courier) dangerous?

Port 165 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 165 be open on my firewall?

Port 165 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 165 use?

Port 165 (XNS-Courier) uses the TCP/UDP transport protocol and falls under the System & Infrastructure category.

:165 (TCP/UDP)

XNS-Courier

Low Risiko

TCP/UDP — System & Infrastructure

Ikhtisar Port

Nomor Port 165

Nama Layanan XNS-Courier

Protokol Transport TCP/UDP

Kategori System & Infrastructure

Risiko Keamanan Low

Rentang Port Well-Known (0-1023)

Apa itu Port 165?

Xerox Network Systems Courier. An RPC protocol in the XNS suite for remote procedure calls between networked Xerox systems.

TCP/UDP System & Infrastructure

Pertimbangan Keamanan

Port 165 (XNS-Courier) 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