linux-kernel - Re: TCP port firewall incl. description and english variable names

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Message-ID: <4E4548BC.9010108@strmilov.cz>
Date:	Fri, 12 Aug 2011 17:37:32 +0200
From:	Antonin Steinhauser <as@...milov.cz>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	davem@...emloft.net, kuznet@....inr.ac.ru, jmorris@...ei.org,
	yoshfuji@...ux-ipv6.org, kaber@...sh.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: TCP port firewall incl. description and english variable names

OK
Dne 12.8.2011 17:34, Eric Dumazet napsal(a):
> Le vendredi 12 août 2011 à 17:10 +0200, Tonda a écrit :
>    
>> Module that is used to open, close or filter specified TCP port by
>> sending certain sequence of UDP packets to predefined UDP ports
>> (password-like firewall). One sequence of UDP ports is the opening key
>> and sending packets successively to them opens the TCP port and the
>> second sequence of UDP ports is the closing key and sending packets
>> successively to them closes the TCP port. If between two UDP packets
>> in the sequence comes more than 16 another UDP packets, the sequence
>> (either opening or closing) is aborted. The configuration and view of
>> affected TCP port, opening and closing key and other firewall
>> parameters is made throw use of sysfs.
>>
>> Signed-off-by: Antoine Steinhauser<as@...milov.cz>
>>      
> Antoine
>
> There is no chance this can be added in official linux kernel, its
> really too ugly, and can be implemented using standard iptables rules,
> and userland controller, adding encryption and other high level stuff if
> needed.
>
>
>
>
>    

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