Re: [PATCH] libxtables: change option precedence order to be intuitive

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On Thu, Oct 28, 2010 at 6:54 PM, Jan Engelhardt <jengelh@xxxxxxxxxx> wrote:
> On Thursday 2010-10-28 11:54, Patrick McHardy wrote:
>
>>On 25.10.2010 23:57, Jan Engelhardt wrote:
>>> On Tuesday 2010-10-19 17:16, Jan Engelhardt wrote:
>>>
>>>> When using `-m mark --mark 2 -m connmark --mark 2`, the user currently
>>>> gets an error about the (libxt_mark) --mark option being used twice.
>>>> This is because libxt_connmark's option table does not override any
>>>> previous options. This patch changes this behavior, since the current
>>>> behavior does not allow connmark's option to be used at all, which is
>>>> illogical.
>>>
>>> As per fw's suggestion, I should nag you every 48 hours ;-)
>>>
>>> Really, this should be in the next tag.
>>
>>This stuff is pretty fragile and whenever we changed it, something broke
>>for users. Why not simply add new options  (--connmark etc). That would
>>also be more consistent with the other extensions.
>
> Adding new options does not fix the real problem, and you cannot easily
> ensure that no options will clash with another.
> And what do you do when you use -m hashlimit --hashlimit-name abc -m
> hashlimit --hashlimit-name def? You can't use new options here.
>

I think this issue was discussed in this thread:
http://marc.info/?l=netfilter-devel&m=121881908205975&w=2 . And the
above command should be OK. Did you test it?

-- 
Regards,
Changli Gao(xiaosuo@xxxxxxxxx)
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