local host does not see broadcast on OS X

Alex Rice alrice at arcplanning.com
Fri Aug 29 11:38:01 EDT 2003


On Friday, August 29, 2003, at 10:08  AM, Steve Gehlbach wrote:
> Maybe it is routing, I don't know, but one other thing that you might 
> check that affects networks is kernel firewalling.  I think on BSD it 
> is "ipfw" and "ipfw show" will list any firewall settings.  Something 
> like that, anyway.  I don't know what Apple is putting in by default 
> these days, but many Linux systems, such as Lindows, are putting up 
> some pretty restrictive firewalls (iptables in Linux).

I read recently that default OS X installs have firewall turned off, 
but the network ports are sewn up tight and practically no open ports.

Also you can clear all the ipfw rules using the System prefs | Sharing 
| Filewall

> I doubt if this is the issue, but it is always something to check when 
> you are troubleshooting network problems.

Good idea

Alex Rice, Software Developer
Architectural Research Consultants, Inc.
http://ARCplanning.com




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