Is port 156 (SQL Service) dangerous?

Port 156 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 156 be open on my firewall?

Port 156 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 156 use?

Port 156 (SQL Service) uses the TCP/UDP transport protocol and falls under the Database category.

:156 (TCP/UDP)

SQL Service

Low Risiko

TCP/UDP — Database

Ikhtisar Port

Nomor Port 156

Nama Layanan SQL Service

Protokol Transport TCP/UDP

Kategori Database

Risiko Keamanan Low

Rentang Port Well-Known (0-1023)

Apa itu Port 156?

Port 156 is an IANA-registered SQL Service port, an early generic placeholder. Unused in contemporary database systems.

TCP/UDP Database

Pertimbangan Keamanan

Port 156 (SQL Service) 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 — Database

66 Oracle SQL*NET 118 SQL Services 134 INGRES-NET 142 BL-IDM 150 SQL-NET 181 Unify 188 MUMPS 210 ANSI Z39.50

Istilah Terkait

ASN BGP Hijack Data Center Domain Name Dual Stack Internet Exchange Point (IXP)