H323 Protocol / VoIP Application Detection

Info Nessus Plugin ID 12243


A Voice Over IP service is running on the remote host.


H323 is a protocol used all over the Internet. It is used for Voice Over IP (VoIP), Microsoft NetMeeting, and countless other applications. Nessus was able to determine that the remote device supports the H323 protocol.

Make sure the use of this program is done in accordance with your corporate security policy.


If this service is not needed, disable it or filter incoming traffic to this port.

Plugin Details

Severity: Info

ID: 12243

File Name: h323_detection.nasl

Version: $Revision: 1.11 $

Type: remote

Published: 2004/05/20

Modified: 2011/03/11

Risk Information

Risk Factor: Info