Problem with counting

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On Wed, 9 Oct 2002, Antony Stone wrote:

> On Tuesday 08 October 2002 5:44 am, Nuitari wrote:
> 
> > On Sun, 6 Oct 2002, Antony Stone wrote:
> 
> > > > iptables -P FORWARD ACCEPT
> > >
> > > Ugh :-(   Horrible.
> > >
> > > > for HOST in $INTERNAL_HOSTS; do
> > > >
> > > >         $IPTABLES -A FORWARD -o $EXTERNAL_INTERFACE -d $HOST -j ACCEPT
> > > >         $IPTABLES -A OUTPUT -o $EXTERNAL_INTERFACE -d $HOST -j ACCEPT
> > >
> > > Why would a packet ever leave your external interface, with a destination
> > > address of one of your internal machines ?
> > >
> > > >         $IPTABLES -A FORWARD -i $EXTERNAL_INTERFACE -s $HOST -j ACCEPT
> > > >         $IPTABLES -A INPUT -i $EXTERNAL_INTERFACE -s $HOST -j ACCEPT
> > >
> > > Why would a packet ever come in through your external interface with a
> > > source address of one of your internal machines ?
> > >
> > > What are these rules supposed to do ?
> >
> > They are some rules I wrote after the exemple provided with bw_acct (see
> > below) didn't work well.
> 
> I suggest you sort these out and make sure your firewall is doing what it is 
> supposed to (ie that the rules you have a processing packets in the way you 
> expect) before trying to extend the system further to do traffic counting as 
> well.

Ok I finally got to fixing the firewall.

I also fixed the counting problems.
The exemple was misleading, the internal_interface should have been used 
instead of external one...




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