[Qt-interest] block and unblock internet

[Martin Hofius]

Am Montag, 25. Mai 2009 schrieb Dave Feustel:
> On Mon, May 25, 2009 at 10:35:21PM +0530, Rahulkumar Tibdewal wrote:
> > Hi All,
> >
> > I want to block and unblock internet on my client machine.
> > Only internet should get blocked not intranet.
> >
> > Internet block should be irrespective of browser.
> >
> > Any ideas???
> >
> > Thanks
> > Rahul
>
> ifconfig (gateway device) down/up
this would block any destinations handled by this device. btw: I can't read 
anything about linux?, windows might have different commands 

To prevent internet access (and only INTERNET):
- change or delete the default route or
- add an appropriate rule to an existing firewall

Greetings
Martin

ps: of course this question is beyond the scope of QT...