[AG-TECH] SW Firewall + AG2.3
Ti Leggett
leggett at mcs.anl.gov
Tue Jan 4 10:46:25 CST 2005
For all multicast addresses it should be 224.0.0.0/4 instead of /8.
On Tue, 2005-01-04 at 09:34 -0500, Derek Piper wrote:
> The ports are usually dynamic, so if you are setting absolute port
> numbers then it won't work if you're changing venues.
> If it's a Windows XP box, then install service pack 2 since then you
> can set exceptions for specific programs (and it will prompt you to do so).
> For Linux machines if you allow traffic with a destination of
> 224.0.0.0/8 for higher numbered ports, i.e. 50000-65535 then you should
> be okay. If that's not fine grained enough you can always use 'lsof' and
> grep for the exact port numbers and write a script that modifies your
> firewall (I did one for a bridge)
>
> Derek
>
> Natalia Costas Lago wrote:
> > ´
> >
> > When I try to install a sw firewall on a PIG the settings are wrong..
> > the media tools work only for a while.. any idea about what must be
> > going on?
> >
> > Kind regards,
> > Natalia.
> >
> >
>
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