Problem with "ipfw flush"

Dan Mahoney, System Admin danm at
Wed Jan 24 21:18:16 UTC 2007

On Thu, 25 Jan 2007, applecom at wrote:

>> In trying to tweak my firewall setup I'm using a file called 
>> /etc/ipfw.rules
>> However, it seems even though I copy my rules perfectly to that file, the 
>> system freezes up and locks me out when I do:
>> ipfw -f flush; ipfw /etc/ipfw.rules
>> I've also tried doing it as
>> ipfw -f flush && ipfw /etc/ipfw.rules
>> But to no avail.
> Firewall script is a common shell script. You don't need to run 'ipfw 
> <script>'.
> Flushing the rules is usually done by script itself.
> For example:
> #!/bin/sh
> ipfw="/sbin/ipfw"
> ${ipfw} -f flush
> ${ipfw} <rule>
> ${ipfw} <rule>
> ${ipfw} <rule>
> ...
> This file should be executable (chmod +x). You can also put any non-ipfw 
> additional commands in this file if you want.
> Try to make such script, execute it and write again about the results.

Well, I'm trying to be compliant with /etc/rc.firewall's expectations for 
a rules file, which IS called with ipfw "rules.file"



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--------Dan Mahoney--------
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