[VOIPSEC] VoIP Sniffer

[Gilbert Lee]

Hi acabrera.
I would like to protect VoIP communication from danger of eavesdropping, too.
Most popular cipher algorithms are safe enough, but they can be
exposed by MITM attack, as I know.
To secure VoIP, not only knowing algorithm but also implementing by
software is important, as I think.
That is why I am interested in secure VoIP.
It takes a lot of time for me to studay secure protocol algorithm used in VoIP.
Sooner or later, if possible, I would like to talk my result of studying.
Thank you.

On Fri, Sep 12, 2008 at 2:39 PM, Alejandro Cabrera Obed
<acabrera at sintys.gov.ar> wrote:
> Dar Kyung, what you wrote is very interesting...I'm trying to secure my
> SIP/RTP calls using ZRTP from Phill Zimerman but I don't succed at all:
> some clients work well and some other don't. Now I'll see your sniffer.
>
> Please can you tell me what is the most popular mechanism nowdays to
> secure the voip calls within an environment with IP telephones and
> softphones ???
>
> Special thanks
>
> Alejandro
>
>
>
> kyung moon lee wrote:
>> Hi, all, I am a programmer in Korea.
>> I've got no information about discussion of VoIP issue, and I
>> should've known this mailing list.
>> Anyway, let me introduce myself to you.
>> A few years ago, I was a VoIP client programmer in Dialpad(Korea), and
>> I've developed VoIP client software.
>> Nowadays, I am very interested in security VoIP.
>> I wish to share many other information about VoIP.
>> Thank you.
>>
>> ps : I will tell you my program that can sniff incoming and outgoding
>> RTP packet, replay in real time and change RTP contents.
>> http://www.gilgil.co.kr/bbs/view.php?id=pds&page=2&sn1=&divpage=1&sn=off&ss=on&sc=on&select_arrange=headnum&desc=asc&no=359
>>
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>>
>
>