Session Initiation Protocol Detection

info Nessus Plugin ID 21642


The remote system is a SIP signaling device.


The remote system is running software that speaks the Session Initiation Protocol (SIP).

SIP is a messaging protocol to initiate communication sessions between systems. It is a protocol used mostly in IP Telephony networks / systems to setup, control, and teardown sessions between two or more systems.


If possible, filter incoming connections to the port so that it is used only by trusted sources.

See Also

Plugin Details

Severity: Info

ID: 21642

File Name: sip_detection.nasl

Version: 1.30

Type: remote

Published: 12/29/2003

Updated: 11/22/2019

Asset Inventory: true

Supported Sensors: Nessus