Is port 61 (Reserved) dangerous?

Port 61 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 61 be open on my firewall?

Port 61 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 61 use?

Port 61 (Reserved) uses the TCP/UDP transport protocol and falls under the System & Infrastructure category.

:61 (TCP/UDP)

Reserved

Low Risiko

TCP/UDP — System & Infrastructure

On this page

Ikhtisar Port

Nomor Port 61

Nama Layanan Reserved

Protokol Transport TCP/UDP

Kategori System & Infrastructure

Risiko Keamanan Low

Rentang Port Well-Known (0-1023)

Apa itu Port 61?

Port 61 is marked as reserved in the IANA registry. It was historically associated with NI MAIL but has no modern service assignment.

TCP/UDP System & Infrastructure

Pertimbangan Keamanan

Port 61 (Reserved) 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.

Reserved

Ikhtisar Port

Apa itu Port 61?

Pertimbangan Keamanan

Port Terkait — System & Infrastructure

Istilah Terkait