Date: Wed, 18 Mar 2015 14:41:40 -0700 From: Charles Swiger <cswiger@mac.com> To: John-Mark Gurney <jmg@funkthat.com> Cc: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: 35-40% performance drop releng9 vs releng10 openvpn Message-ID: <A8D4B89F-6299-410E-B585-56905443C7A4@mac.com> In-Reply-To: <20150318211457.GL51048@funkthat.com> References: <5506250A.2000506@sentex.net> <20150316132055.GQ32288@funkthat.com> <5509D6C6.4050204@sentex.net> <20150318211457.GL51048@funkthat.com>
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On Mar 18, 2015, at 2:14 PM, John-Mark Gurney <jmg@funkthat.com> wrote: > As I've never used OpenVPN before and their docs don't go into saying > what it's using.. Is OpenVPN a kernel or userland VPN? Do they use > IPSec in the kernel? or are they just using UDP or TCP for their > connections? OpenVPN runs in userland; it uses OpenSSL to create either a layer-2 or layer-3 tunnel via either UDP or TCP. http://en.wikipedia.org/wiki/OpenVPN has more details. Regards, -- -Chuck
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