Should port 142 be open on my firewall?

Port 142 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 142 use?

Port 142 (BL-IDM) uses the TCP/UDP transport protocol and falls under the Database category.

:142 (TCP/UDP)

BL-IDM

Q: Is port 142 (BL-IDM) dangerous?

Port 142 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.

Low Risk

TCP/UDP — Database

Port Overview

Port Number 142

Service Name BL-IDM

Transport Protocol TCP/UDP

Category Database

Security Risk Low

Port Range Well-Known (0-1023)

What is Port 142?

Britton-Lee IDM. Protocol for the Britton-Lee Intelligent Database Machine, an early hardware database accelerator.

TCP/UDP Database

Security Considerations

Port 142 (BL-IDM) is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose.

Recommendation: Standard security practices apply. Keep software updated and monitor access.

Related Ports — Database

66 Oracle SQL*NET 118 SQL Services 134 INGRES-NET 150 SQL-NET 156 SQL Service 181 Unify 188 MUMPS 210 ANSI Z39.50

Related Terms

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