Re: [FW1] How do I stop being smurfed?

[Tim Gollschewsky <tim@FW1-NOSPAMvirgin.com>]

This is my point, I control my FW, the next hop is a router
controlled by Exodus who refuse to put any ACLs on it.  I can't
see any solution other than finding a new ISP.

Tim.

On Tue, Oct 03, 2000 at 03:53:06PM +0200, Jonas Thambert spoke thusly:
> I better hope you're not a broadcast domain.
> Then you might be blacklisten.
> I dont remember the URL ro the list,
> maybe someone else can help me with this one..
> Ofcourse you can prevent both outgoing and incoming
> echo-requests/repleys with the router.
> 
> /Jonas
> 
> 
> 
> 
> 
> 
> 
> 
> -----Original Message-----
> From: Tim Gollschewsky [mailto:tim@virgin.com]
> Sent: den 3 oktober 2000 15:27
> To: Firwall-1 List
> Subject: Re: [FW1] How do I stop being smurfed?
> 
> 
> 
> Does this stop me from being smurfed?
> 
> Or just stop me from being used as a smurf reflector?
> 
> On Tue, Oct 03, 2000 at 03:15:51PM +0200, Ejvind Kristian spoke thusly:
> > > Is there ANYTHING else I can do?
> > 
> > If you've got a solaris fw-1, add
> > 
> > ndd -set /dev/ip ip_forward_directed_broadcasts
> > ndd -set /dev/ip ip_respond_to_address_mask_broadcast
> > 
> > to your startup scripts.
> > 
> > If you're using Cisco's, add
> > 
> > no ip directed-broadcast
> > 
> > to _all_ interface sections on all routers. (IOS 12.0
> > and later disables directed broadcasts by default)
> > 
> > /Kristian
> > 
> > -----------------------------------------
> > Kristian Ejvind - Kristian.Ejvind@spp.se
> > System admin at SPP Investment Management 
> > -----------------------------------------
> 
> 
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