[streaming] Re: SAP of VLC

[Matthew Geier]

Tran Minh Son wrote:
> Dear Rémi Denis-Courmont,
> Thank you for your answer.
> But I didn,t catch your idea. First I don,t know how to catch the SAP 
> announcement with VLC. Second I run two instances of the vlc on the same 
> computer, one for streaming to localhost with SAP and the other for 
> capturing stream and SAP if possible. Therefore no firewall can just 
> absord the SAP announcement.However the SAP directory in the playlist is 
> still empty.

  I still think it's the firewall - even on the same machine - at least 
on Linux, multicasts appear to follow the normal routing rules, so the 
multicast transmissions will get injected into the default routes 
interface processing.
  I don't know at which point the iptables filters kick in.

  Id turn the firewall OFF and see what happens.

  I often fireup VLC on my linux machine and wonder why I get no SAP 
messages. Then I realise I have the default iptables firewall loaded. I 
really must put in an exception for group D addresses....

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