Hi,

On Thu, Mar 25, 2021 at 01:01:20AM +0100, Arne Schwabe wrote:
> The non-TLS mode is a relict from OpenVPN 1.x or 2.0. When tls mode was
> introduce the advantages of TLS over non-tls were small but tls mode
> evolved to include a lot more features. (NCP, multipeer, AEAD ciphers to name
> a few).

I think the most prominent benefit is "use of a session key which is
independent of the shared secret", so perfect forward secrecy even if
the secret is lost.  The "features" are a nice benefit, but PFS is 
the truly important part, no?

> Today VPN that use --secret are mainly used because of its relative easy to
> setup and requiring to setup a PKI. This shortcoming of TLS mode should be
> addressed now with the peer-fingerprint option.

This is fine, I'd say.

gert
-- 
"If was one thing all people took for granted, was conviction that if you 
 feed honest figures into a computer, honest figures come out. Never doubted 
 it myself till I met a computer with a sense of humor."
                             Robert A. Heinlein, The Moon is a Harsh Mistress

Gert Doering - Munich, Germany                             g...@greenie.muc.de

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