[PLUG] route delete errors

[VY]

thank you michael. Forgot about iptables and blocking them which is
essentially the same effect.
I will give that a try.  Thanks!


On Sun, Mar 28, 2010 at 3:29 PM, Michael Rasmussen <michael at jamhome.us>wrote:

> On Sun, Mar 28, 2010 at 03:10:09PM -0700, VY wrote:
> > Thanks for your reply.  I am a networking novice so maybe there is
> something
> > that I am doing wrong.
> > I just did this:
> >
> >    sudo  route  del  -net  98.171.145.0/24  dev  eth0
> >
> > and got back
> >
> >    SIOCDELRT: No such process
> >
> >
> > I do not have a static route to that subnet in my routing table but I
> want
> > to cut off traffic to any of the 255 hosts in that subnet for a short
> period
> > of time -- hence I want to delete access to that network.
> > Am I using the wrong tool?
>
> Yep, you can't delete a route that isn't there.
>
> You could add a route for that network that points to an address which
> can't
> route to the network, for example:
>
>    sudo route add -net 98.171.145.0/24  gw 127.0.0.1
>
> or if you just need it for the current host you could add an iptables rule
> to
> block traffic:
>
>    sudo iptables -I OUTPUT -d 98.171.145.0/24 -j DROP
>
> if the current host is your router then the iptables rule would be:
>
>    sudo iptables -I FORWARD -d 98.171.145.0/24 -j DROP
>
> Note:  my iptables examples are horribly simplified things.
>
>
> --
>       Michael Rasmussen, Portland Oregon
>  Trading kilograms for kilometers since 2003
>    Be appropriate && Follow your curiosity
>          http://www.jamhome.us/
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