Should port 95 be open on my firewall?

Port 95 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 95 use?

Port 95 (SUPDUP) uses the TCP transport protocol and falls under the Remote Access category.

:95 (TCP)

SUPDUP

Q: Is port 95 (SUPDUP) dangerous?

Port 95 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 — Remote Access

Port Overview

Port Number 95

Service Name SUPDUP

Transport Protocol TCP

Category Remote Access

Security Risk Low

Port Range Well-Known (0-1023)

What is Port 95?

SUPDUP was a terminal protocol developed at MIT in the 1970s as an enhancement to Telnet, providing richer screen-oriented terminal capabilities defined in RFC 734.

TCP Remote Access

Security Considerations

Port 95 (SUPDUP) 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 — Remote Access

22 SSH 23 Telnet 57 Private Terminal Access 89 SU/MIT Telnet Gateway 107 Remote Telnet 177 XDMCP 219 Uarps 221 FLN-SPX

Related Terms

SSL/TLS Certificate DDoS DNS Spoofing Encryption Firewall HTTPS