On 26/06/17 13:13, Arne Schwabe wrote:
> OpenSSL 1.1 does not allow MD5 signed certificates by default anymore. This 
> can be enabled again by settings tls-cipher "DEFAULT:@SECLEVEL=0" but only if 
> the cipher list is set before loading the certificates. This patch changes 
> the order of loading.

I'm not fully convinced of the argumentation for this feature - unless
something have changed in OpenSSL 1.1.  I believe the same can be
achieved by setting an environment variable before starting OpenVPN.

  $ OPENSSL_ENABLE_MD5_VERIFY=1 /usr/sbin/openvpn ....

I know several Fedora users have deployed this, even when systemd is
involved.  This is needed on systems with OpenSSL 1.0 as well when they
connect to a server having an MD5 based certificate or signed by a CA
with an MD5 based certificate.

So unless OpenSSL 1.1 have changed this behaviour from OpenSSL 1.0, I'm
not really convinced we need this.


-- 
kind regards,

David Sommerseth
OpenVPN Technologies, Inc

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