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IPFYI
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1241

Nessus

Medium Risk

TCP — Security & VPN

Port Overview

Port Number 1241
Service Name Nessus
Transport Protocol TCP
Category Security & VPN
Security Risk Medium
Port Range Registered (1024-49151)

What is Port 1241?

Port 1241 is the default port for the Nessus vulnerability scanner server daemon. Security professionals use Nessus to scan networks and systems for vulnerabilities, misconfigurations, and compliance issues. The Nessus server listens on this port for client connections from the Nessus web interface.

TCP Security & VPN Commonly Used

Security Considerations

Port 1241 (Nessus) is classified as medium risk. While this service is commonly exposed, consider using encrypted alternatives where available.

Recommendation: Keep the service updated. Monitor logs for unusual activity.

Related Ports — Security & VPN

49 TACACS 65 TACACS-DS 88 Kerberos 90 DNSIX Security 370 codaauth2 389 LDAP 464 Kerberos Change Password 500 IKE/ISAKMP
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