On Thu, 25 Jan 2007, Dan Mahoney, System Admin wrote:

 > On Fri, 26 Jan 2007, Ian Smith wrote:
 > 
 > Excellent.  I'll read up on this for a bit.

I've been reading man ipfw for years, but every time find something new :)

 > I suppose my biggest confusion was as to why I could do:
 > 
 > kldload ipfw && ipfw add 65000 allow ip from any to any
 > 
 > but not
 > 
 > ipfw flush && ipfw add 65000 allow ip from any to any
 > 
 > Clearly, the devil is in the output being sent.
 > 
 > Also, the manpage had -q and -f as mutually exclusive, and I missed the 
 > part about -q implying -f.

I guess the syntax 'ipfw [-f | -q] flush' does imply exclusivity, though
'ipfw -q -f flush' must work fine, when $fwcmd can be 'ipfw -q' ..

 > There IS one other issue that I encountered.  I have tables and pipes in 
 > play, and I believe a regular ipfw flush doesn't clear them.  Is there a 
 > universal "reset EVERYTHING" command?

I'm yet to use tables or pipes so can't say, except to see ipfw(8) has:

  ipfw table number flush
and
  ipfw [-s [field]] {pipe | queue} {delete | list | show} [number ...]

Cheers, Ian

[..]

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