Re: limiting directed broadcasts with ipfw.

2002-06-27 Thread Richard A Steenbergen
On Thu, Jun 27, 2002 at 01:18:04PM -0400, Peter Brezny wrote: > I did a quick search through the man page, but didn't come up with anything > right off that looked like it could help mitigate smurf attacks similar to > the cisco: > no ip directed-broadcast > > feature. > > Is there a way? sysct

Re: limiting directed broadcasts with ipfw.

2002-06-27 Thread Barney Wolff
Nothing automatic or shorthand, but add deny ip from any to x.y.z.255 (or whatever your broadcast is) will work just fine. On Thu, Jun 27, 2002 at 01:18:04PM -0400, Peter Brezny wrote: > I did a quick search through the man page, but didn't come up with anything > right off that looked like

Re: limiting directed broadcasts with ipfw.

2002-06-27 Thread Lars Eggert
Peter Brezny wrote: > I did a quick search through the man page, but didn't come up with anything > right off that looked like it could help mitigate smurf attacks similar to > the cisco: > no ip directed-broadcast > > feature. > > Is there a way? I thought directed broadcasts where disabled by