dhclient

[Lowell Gilbert]

"Bob Hall" <rjhalljr at starpower.net> writes:

> I'm getting the following message:
> 	dhclient: send_packet: Permission denied
> I thought this was being caused by my firewall, but I made 
> some changes and I'm still getting the message. Being 
> wholly ignorant about this message, I'm assuming that 
> dhclient is trying to send a packet to my ISP's DHCP server, 
> and something is blocking it. I'm further assuming that 
> my firewall is doing the blocking, and my ignorance is 
> preventing me from finding a solution. Can someone tell me 
> if my assumptions are correct, or correct them? 

You're doing fine.

> The firewall is ipfw with the SIMPLE option. The modifications 
> to the firewall script for DHCP were
> 	# Accept bootps (dhcp):
> 	${fwcmd} add allow udp from ${oip}/32 68 to 0.0.0.0/0 67 out
> 	${fwcmd} add allow udp from 0.0.0.0/0 67 to ${oip}/32 68 in

That doesn't make any sense.  How about:
 	${fwcmd} add allow udp from any to any bootps keep-state out via ${oif}

You don't have an IP address yet, so you can't put an IP address into
the rule, and the all-zeros address would be what *your* machine is
using.  You don't know the address of the server, so you have to leave
that unspecified.