Date: Tue, 06 Nov 2001 12:35:53 -0800 From: Zev Thompson <zev@interchange.ubc.ca> To: Sean Ellis <sellis@intergate.ca> Cc: freebsd-questions@freebsd.org Subject: Re: ipfw script values Message-ID: <3.0.32.20011106123552.00db8e40@pop.interchange.ubc.ca>
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Hi Sean, I use the following command in my rc.firewall:
ifconfig ex0 | grep "inet " | awk '{print $2}'
Where ex0 is my ethernet interface. The awk part just takes the 'inet' line
and prints out the second term.
Zev
>Hello,
>
> I edited a general-purpose firewall rule script and use it on
>a dual homed machine. It provides nat and filtering. My question
>is, right now I have the value for the external interface ip number
>'hard-wired' into the script. No problem, but the machine picks up
>this number via dhcp, so I'd like to have something a little more
>dynamic here. Does anyone have a suggestion for a nice neat way to
>grab this and the network, and mask values. Are they available anywhere
>in a convenient user-friendly form?
>
>thanks,
>
>--
>Sean
>
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