Create openssl.cnf
and add:
openssl_conf = default_conf
[ default_conf ]
ssl_conf = ssl_sect
[ssl_sect]
system_default = system_default_sect
[system_default_sect]
MinProtocol = TLSv1
CipherString = DEFAULT:@SECLEVEL=1
In command line, before command add OPENSSL_CONF=openssl.cnf
and rest of command.
For example:
OPENSSL_CONF=~/ssl.cnf svn co --trust-server-cert-failures="unknown-ca,cn-mismatch,expired,not-yet-valid,other" --non-interactive https://dev.dev.com/svn/repo