[ssm] Re: FYI: Updated SSM-capable applications
Marshall Eubanks <tme@multicasttech.com> Fri, 02 May 2003 21:14 UTC
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Date: Wed, 23 Apr 2003 08:17:17 -0400
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Cc: ssm@ietf.org, mboned@network-services.uoregon.edu
To: Ross Finlayson <finlayson@live.com>
From: Marshall Eubanks <tme@multicasttech.com>
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Subject: [ssm] Re: FYI: Updated SSM-capable applications
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Dear Ross;
Is there any authentication applied to the unicast SSM rtcp reports,
which
can be used for a denial of service attacks ?
Regards
Marshall Eubanks
On Wednesday, April 23, 2003, at 06:33 AM, Ross Finlayson wrote:
> Some of you who are working with Source-Specific Multicast may be
> interested in new versions of several multicast applications, which I
> have recently updated to conform to the latest SSM-relevant Internet
> Drafts:
>
> 1/ SSM sending applications
> (i) When generating SDP descriptions, include appropriate
> a=source-filter: incl ...
> and
> a=rtcp: unicast reflection
> lines.
> (ii) Receive incoming RTCP Reception Reports via unicast, and
> 'reflect' them
> back to the group via multicast.
>
> - "vobStreamer" (a DVD audio/video streaming tool):
> <http://www.live.com/vobStreamer/>
> - "liveCaster" (a MP3 RTP streaming tool - SSM sending is optional):
> <http://www.live.com/liveCaster>
> - "testMP3Streamer", "testMPEGVideoStreamer",
> "testMPEGAudioVideoStreamer" (various streaming test programs - SSM
> sending is optional): <http://www.live.com/liveMedia/>
>
> 2/ SSM receiving applications
> (i) Use the IP_ADD_SOURCE_MEMBERSHIP and IP_DROP_SOURCE_MEMBERSHIP
> "setsockopt()" calls (instead of the regular IP_ADD_MEMBERSHIP and
> IP_DROP_MEMBERSHIP, but falling back to using these if the *SOURCE*
> versions aren't supported).
> (ii) Send back RTCP Reception Reports via unicast rather than
> multicast.
>
> - "MPlayer" (a media player - will use SSM if specified by RTSP and/or
> SDP): <http://www.live.com/mplayer/>
> - The "in_rtp.dll" MP3/RTP plugin for Winamp:
> <http://www.live.com/multikit/winamp-plugin.html>
> - "playRTPMPEG" (a MP3/RTP receiving tool):
> <http://www.live.com/multikit/playRTPMPEG.html>
> - "testMP3Receiver", "testMPEGVideoReceiver" (various receiving test
> programs - SSM is optional): <http://www.live.com/liveMedia/>
>
> Ross.
>
>
T.M. Eubanks
Multicast Technologies, Inc.
e-mail : tme@multicasttech.com
http://www.multicasttech.com
Our New Multicast Workshop :
http://www.multicasttech.com/workshop
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- [ssm] FYI: Updated SSM-capable applications Ross Finlayson
- [ssm] Re: FYI: Updated SSM-capable applications Ross Finlayson
- [ssm] Re: FYI: Updated SSM-capable applications Marshall Eubanks