thank you
--- Kenneth <[EMAIL PROTECTED]> wrote:
> it would be pretty helpful, though, for Bootp
> Relaying to an entire subnet
> using directed broadcast as opposed to a specific
> BOOTP Address...
>
> Gil Shulman <[EMAIL PROTECTED]> wrote in message
>
D528DF24AEBCD311A17700508B92CBBF102086@NEWMAN">news:D528DF24AEBCD311A17700508B92CBBF102086@NEWMAN...
> > Hi,
> >
> > The removal of directed-brooadcasts is one of
> the security messures
> that
> > is being taken place on the router.
> > The IP directed broadcast is a datagram which is
> sent to the broadcast
> > address of a subnet to which the sending machine
> is not directly attached.
> > The directed broadcast is routed through the
> network as a unicast packet
> > until it arrives at the target subnet, where it is
> converted into a
> > link-layer broadcast.
> > The directed-broadcasts arp being used in the
> extremely common and popular
> > "smurf" denial of service attack, and can also be
> used in related attacks.
> >
> >
> > I hope it helps
> >
> >
> > Gil
> >
> >
> > -----Original Message-----
> > From: Howard C. Berkowitz [mailto:[EMAIL PROTECTED]]
> > Sent: ??? ??? 05 ?????? 2001 06:13
> > To: [EMAIL PROTECTED]
> > Subject: Re: ip directed broadcast
> >
> >
> > >hi all
> > >
> > >anyone knows why no ip directed broadcast is
> always
> > >set for any interfaces?
> > >
> > >
> > >regards,
> > >
> > >suaveguru
> >
> >
> > RFC 2644 Changing the Default for Directed
> Broadcasts in Routers. D.
> > Senie. August 1999. (Format: TXT=6820 bytes)
> (Updates RFC1812) (Also
> > BCP0034) (Status: BEST CURRENT PRACTICE)
> >
> > _________________________________
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>
>
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