Is port 563 (NNTPS) dangerous?

Port 563 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 563 be open on my firewall?

Port 563 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 563 use?

Port 563 (NNTPS) uses the TCP transport protocol and falls under the Messaging category.

:563 (TCP)

NNTPS

Low Risiko

TCP — Messaging

Ikhtisar Port

Nomor Port 563

Nama Layanan NNTPS

Protokol Transport TCP

Kategori Messaging

Risiko Keamanan Low

Rentang Port Well-Known (0-1023)

Apa itu Port 563?

Port 563 is assigned to NNTPS (Network News Transfer Protocol over TLS), the encrypted version of NNTP for Usenet news. Usage has declined.

TCP Messaging

Pertimbangan Keamanan

Port 563 (NNTPS) 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