In article <Pine.LNX.4.44.0406102028200.16741-100000@ferm.phys.uni.torun.pl>,
   Sebastian Wasilewski <vampire@phys.uni.torun.pl> wrote:
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   >Hello,
   >
   >I have problem with ipf on NetBSD 2.0-beta (20040531). Kernel GENERIC.MP 
   >running on Sun SS20 machine.
   >
   >root@uranium# cat firewall
   >block in quick from 192.168.0.0/16 to any
   >pass in all
   >root@uranium# ipf -f firewall
   >2:ioctl(add/insert rule): Input/output error
   >3:ioctl(add/insert rule): Input/output error
   >root@uranium#
   >
   >Has anyone have the same problem ? 
   
   ipf -E?
   
   I have to say that the choice of errno here is misleading and confusing.
   Maybe ESHUTDOWN?


maybe "ipf" could check the enabled status and explictly whine about it?