Is port 477 (SS7NS) dangerous?

Port 477 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 477 be open on my firewall?

Port 477 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 477 use?

Port 477 (SS7NS) uses the TCP/UDP transport protocol and falls under the Messaging category.

:477 (TCP/UDP)

SS7NS

Low Risiko

TCP/UDP — Messaging

Ikhtisar Port

Nomor Port 477

Nama Layanan SS7NS

Protokol Transport TCP/UDP

Kategori Messaging

Risiko Keamanan Low

Rentang Port Well-Known (0-1023)

Apa itu Port 477?

SS7 over IP (NS). Signaling System 7 over IP for telecom signaling network services.

TCP/UDP Messaging

Pertimbangan Keamanan

Port 477 (SS7NS) 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 — Messaging

18 MSP 87 ttylink / link 98 TACNews 99 Metagram 119 NNTP 169 SEND 194 IRC 218 MPP

Istilah Terkait

ARP FTP HTTP ICMP IMAP NTP