Is port 158 (PCMail Server) dangerous?

Port 158 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 158 be open on my firewall?

Port 158 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 158 use?

Port 158 (PCMail Server) uses the TCP/UDP transport protocol and falls under the Email category.

:158 (TCP/UDP)

PCMail Server

Low Risiko

TCP/UDP — Email

Ikhtisar Port

Nomor Port 158

Nama Layanan PCMail Server

Protokol Transport TCP/UDP

Kategori Email

Risiko Keamanan Low

Rentang Port Well-Known (0-1023)

Apa itu Port 158?

PCMail Server was an early distributed mail architecture protocol defined in RFC 1056. Entirely obsolete.

TCP/UDP Email

Pertimbangan Keamanan

Port 158 (PCMail Server) 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 — Email

24 Private Mail System 25 SMTP 26 RSFTP 50 RE-MAIL-CK 58 XNS-MAIL 109 POP2 110 POP3 143 IMAP

Istilah Terkait

ARP FTP HTTP ICMP IMAP NTP