Is port 191 (Prospero) dangerous?

Port 191 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 191 be open on my firewall?

Port 191 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 191 use?

Port 191 (Prospero) uses the TCP/UDP transport protocol and falls under the File Transfer category.

:191 (TCP/UDP)

Prospero

Low Risiko

TCP/UDP — File Transfer

On this page

Ikhtisar Port

Nomor Port 191

Nama Layanan Prospero

Protokol Transport TCP/UDP

Kategori File Transfer

Risiko Keamanan Low

Rentang Port Well-Known (0-1023)

Apa itu Port 191?

The Prospero Directory Service was a distributed filesystem and resource location protocol from the early 1990s. Completely obsolete.

TCP/UDP File Transfer

Pertimbangan Keamanan

Port 191 (Prospero) 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.

Prospero

Ikhtisar Port

Apa itu Port 191?

Pertimbangan Keamanan

Port Terkait — File Transfer

Istilah Terkait