patch for rule insert

patch for rule insert

[varun]

Hi all,

                I would loke to know if any of you have  a patch for 
inserting rule anywhere in the middle of the chain.
                That is with -A we append the new rule and -I we add the 
new rule to the top of the chain. So i wold like to insert it in middle 
of the chain. Is it possible? Does anyone have a patch for the same?

Varun

Re: patch for rule insert

[Cedric Blancher]

Le mardi 04 juillet 2006 à 09:06 +0530, varun a écrit :
>                 That is with -A we append the new rule and -I we add the 
> new rule to the top of the chain. So i wold like to insert it in middle 
> of the chain. Is it possible? Does anyone have a patch for the same?

man ipchains

[...]
SYNOPSIS
[...]
       ipchains -[RI] chain rulenum rule-specification [options]
[...]
       -I, --insert
              Insert one or more rules in the selected chain as the
              given rule number. So, if the rule number is 1, the
              rule or rules are inserted at the head of the chain.

Seems it's been there from the beginning :)

	iptables -I INPUT 4 ...

Will insert rule at 4th position.


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Re: patch for rule insert

[Patrick Schaaf]

>                I would loke to know if any of you have  a patch for 
> inserting rule anywhere in the middle of the chain.
>                That is with -A we append the new rule and -I we add the 
> new rule to the top of the chain. So i wold like to insert it in middle 
> of the chain. Is it possible?

Look at the manpage / iptables --help output. Notice that the
options -I, -R, and -D take a 'rulenum' argument (optional for -I).
Also note that '-L --line-numbers' gives you such rulenums, if you
don't want to count the rules by yourself.

Patrick