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RE: modem share



On Sun, 28 Sep 1997, Harvey J. Stein wrote:

> gal@netvision.net.il writes:
> > 
> > On 28-Sep-97 Harvey J. Stein wrote:
> > >Erez Doron writes:
> > > > does anybody knows a program that will automaticaly connect to the 
> > > > my ISP whenever i try to acess the internet, and will automatically 
> > > > disconect if there was no net activity for some time ?
> > > > 
> > > > Regards,
> > > > Erez.
> > > > 
> > >
> > >It's called diald.  Check the HOWTO.
> > It's called kerneld , put the script in /sbin/request-route and that's 
> > about it.
> > If it's ppp you can put what time-out you want it it's line paramters. 
> 
> *Bad* advice.  kerneld is *not* the way to do it.  Using kerneld to
> run request-route was a very brain-dead idea and has since been
> removed from distributions.  Having the kernel escape to a user space
> process in the middle of servicing a packet breaks all sorts of
> assumptions in the kernel code.

Moreover, request-route can be exploited in order to get roo, read bugtraq.

So, as Harvey said, *bad* advice.

--Ariel

> 
> -- 
> Harvey J. Stein
> Berger Financial Research
> hjstein@bfr.co.il
> 

   +---------------------------------------------------------+
   | Ariel Biener                                            |
   | e-mail: ariel@post.tau.ac.il        Work ph: 03-6406086 |
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