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Date: Mon, 02 Jul 2007 12:01:04 +0200
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To: "ckadi35@yahoo.fr" <ckadi35@yahoo.fr>
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Cc: freebsd-questions@FreeBSD.org
Subject: Re: IPsec based on rfc 4303
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ckadi35@yahoo.fr wrote:
> hi,
>    
>   i use freeBSD 5.2 for developing software.
>   i want to upgrade IPsec based on rfc4303.
>    
>   how about ports of IPsec implementation based on RFC 4303
>    
>   best regards
>   Ckadi

There's no connection to ports here, to fix IPsec you have to fix your kernel.
5.2 wasn't even a stable release, I strongly doubt it's still maintained. I
suggest you update to a 5.5 or 6.2 kernel and world.