[Icecast-dev] multiple connection

Philipp Schafft phschafft at de.loewenfelsen.net
Fri Jul 1 11:38:29 UTC 2016

Good afternoon,

On Fri, 2016-07-01 at 14:12 +0200, Yaniv Sharon wrote:
> It is possible to ask the development team of icecast to implement a
> solution for that?

Sure. E.g. you can open a ticket at https://trac.xiph.org/. This way we
will have a look at it.

If you seek for business support you can also reply to me in private.

> Something like  "if the same IP pulling the stream over X instances
> for X time" to kick him?

There is already a setting for authed clients to not allow the same
client twice. Maybe what you want is just a superset of this feature.

> I believe im not the only one that having that issue from time to
> time…

That may be true. Maybe others on the list can provide a comment if they
had the same problem?
Have a nice day!

best regards,

> From: marcin at saepia.net [mailto:marcin at saepia.net] 
> Sent: Friday, July 01, 2016 2:05 PM
> To: Yaniv Sharon
> Cc: icecast-dev at xiph.org; Philipp Schafft
> Subject: Re: [Icecast-dev] multiple connection
> If you don't want to modify sources of icecast which is non trivial I
> would have recommended writing a script that fetches list of clients
> periodically over icecast admin API and kills these that utilize too
> many connections. 
> If they would have keep reconnecting you should implement more
> advanced solution - with total blocking  on firewall or within
> icecast.
> If you need further support, please PM me at marcin at radiokit.org
> M. 
> 01.07.2016 12:53 PM "Yaniv Sharon" <yaniv.sharon at gmail.com>
> napisał(a):
> I didn't pick up the data from the access file, just from the error
> file...
> About players, I can't control what the "radio index" sites are doing
> with
> my icecast streaming address,
> But as far as I know from my experience, the players when they getting
> "crazy" causing between 3-5 multiple connections for less than a 2
> minutes.
> Not a big issue.
> The situation that I'm describing is very different, 20-30 (and once
> even
> almost 40) "listeners" from the same IP, for a long time. Each
> "listener"
> using true bandwidth.
> The IP source is from Vietnam, Korea...i really think that abusing its
> what
> I'm talking about.
> ( What a mobile device will handle 30 instances for 20 minutes? )
> Any idea to handle situation like that one?
> -----Original Message-----
> From: Philipp Schafft [mailto:phschafft at de.loewenfelsen.net]
> Sent: Friday, July 01, 2016 11:36 AM
> To: Yaniv Sharon
> Cc: icecast-dev at xiph.org
> Subject: Re: [Icecast-dev] multiple connection
> Good morning,
> On Fri, 2016-07-01 at 11:22 +0200, Yaniv Sharon wrote:
> > Hi all,
> > From time to time my server getting multiple connection from a same
> > listener.
> > I don’t know if it’s a bug of the player, or a case of abusing.
> > The situation is "flooding" of the server, the same listener
> connected
> > to ICE in multiple instances, and using "real" bandwidth (e.g 128K x
> > 30)!
> Please have a look at the access.log. Is it a user of a mobile device?
> Maybe you can give us the User Agent string.
> Some of them seem to be horribly buggy. For whatever reason.
> Have a nice day!

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