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Date: Tue, 2 Jan 2007 10:50:20 GMT
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To: freebsd-bugs@FreeBSD.org
From: Maxim Konovalov <maxim@macomnet.ru>
Cc: 
Subject: Re: bin/106382: parentesis bug in IPFW command
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The following reply was made to PR bin/106382; it has been noted by GNATS.

From: Maxim Konovalov <maxim@macomnet.ru>
To: Joao Rocha Braga Filho <goffredo@gmail.com>
Cc: bug-followup@freebsd.org
Subject: Re: bin/106382: parentesis bug in IPFW command
Date: Tue, 2 Jan 2007 13:24:10 +0300 (MSK)

 Hi,
 
 [...]
 > The man page says
 >
 > "  Additionally, sets of alternative match patterns (or-blocks) can
 > be constructed by putting the patterns in lists enclosed between
 > parentheses ( ) or braces { }, and using the or operator as follows:
 > ipfw add 100 allow ip from { x or not y or z } to any"
 >
 > but when I use
 >
 > root:goffredo[627] ipfw add 2 count tcp from any to '(' any 22 to any 23 ')'
 > ipfw: missing ")"
 >
 > root:goffredo[628] ipfw add 2 count tcp from any to \( any 22 to any 23 \)
 > ipfw: missing ")"
 >
 > root:goffredo[629] ipfw add 2 count tcp from any to '{' any 22 to any 23 '}'
 > ipfw: missing ")"
 >
 > root:goffredo[630] ipfw add 2 count tcp from any to \{ any 22 to any 23 \}
 > ipfw: missing ")"
 
 What does
 
 "from any to \{ any 22 to any 23 \}"
 
 mean in plain English?
 
 I think you need something like
 
 ipfw -n add 2 count tcp from any to any 22,23
 
 or
 
 ipfw -n add 2 count tcp from any to \{ 2.2.2.2 or 1.1.1.1 \} 22,23
 
 -- 
 Maxim Konovalov