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From: Hellmuth Michaelis <hm@hellmuth-michaelis.de>
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Subject: Re: OpenVPN vs IPSec
Date: Sun, 19 Nov 2017 13:48:41 +0100
References: <20171118165842.GA73810@admin.sibptus.transneft.ru>
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> 
> Am 19.11.2017 um 13:08 schrieb Victor Sudakov <vas@mpeks.tomsk.su>:
> 
>> It's a standard, too. 
> 
> IPsec in itself maybe a standard, but IKE does not seem to be much of
> a standard, I get the impression that there's much incompatibility
> between vendors (Cisco, racoon etc). 

https://tools.ietf.org/html/rfc2409
https://tools.ietf.org/html/rfc7296

-hm