linux-kernel - Re: Complaint - pid-owner Support Removed (CONFIG_NETFILTER_XT_MATCH

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Date:	Tue, 31 Jul 2012 12:41:21 +1000
From:	NeilBrown <neilb@...e.de>
To:	"C. Schmid" <christian.schmid81@....de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Complaint - pid-owner Support Removed
 (CONFIG_NETFILTER_XT_MATCH_OWNER)

On Mon, 30 Jul 2012 21:22:10 +0200 "C. Schmid" <christian.schmid81@....de>
wrote:

> Hello,
> 
> i want to complain about the removal of the --pid-owner Support for 
> iptables.
> 
> As far as i understand it this support was just removed without replacement.

Yes, 7 years ago.

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=34b4a4a624bafe089107966a6c56d2a1aca026d4

"Unfixably broken"

What problem are you trying to solve?  I suspect you would be able to solve
it by dedicating a group-id to the program that you want to allow through the
firewall, and making sure it runs with that group-id.

(ignoring remainder of email as it seems to be more emotional than factual).

NeilBrown



> 
> I would have expected, that if anything you would have improved the 
> support for pid's and especially for desktop firewalls.
> 
> But it seems that some rumors, like you only care for 'big iron' are not 
> that easily dismissed.
> 
> I would encourage you to at least try to keep up with essential feature 
> support, especially when it comes to desktop firewalls (for example 
> zonealarm).
> 
> I believe focusing on server infrastucture while abandoning desktop 
> infrastructure will not do much good in mid and long term.
> 
> 
> 
> Sincerly
> 
> 
> Christian Schmid
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