Hi Pasi,
Do you have any recommendation for H323 analyzer?
Thanks,
kaiyao
----- Original Message -----
From: Pasi Kovanen <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, August 19, 1999 2:51 PM
Subject: Re: [NetMeeting] Security
>
> Just run an H323 analyzer (software-based will do fine) on the LAN in
> which the call is done. It will grab all RTP-packetized UDP/IP-packets
> (in which format audio and video is sent in H.323). With the RTP headers
> the analyzer can reconstruate every call made in the LAN.
>
> If you are using switching hubs the things get much harder, but in the
> most common case, shared LAN with simple hubs, wiretapping is very easy.
>
> --
> Pasi Kovanen (E-mail: [EMAIL PROTECTED], Tel: +358-40-518 3460)
> Sonera Solutions Ltd., Laserkatu 6, 53850 LAPPEENRANTA, FINLAND
>
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