Hi,

I want so use weak tls-ciphers with

OpenVPN 2.4.0 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [LZ4] [EPOLL] [PKCS11]
[MH/PKTINFO] [AEAD] built on Jul 18 2017
library versions: OpenSSL 1.0.2l  25 May 2017, LZO 2.08

so I defined them with:

tls-cipher
"TLS-DHE-RSA-WITH-AES-256-CBC-SHA:TLS-DHE-DSS-WITH-AES-256-CBC-SHA:TLS-DHE-RSA-WITH-3DES-EDE-CBC-SHA:TLS-DHE-DSS-WITH-3DES-EDE-CBC-SHA"

but If I try to use the 2nd,3rd and 4th I always get, only the first is working:
TLS-DHE-RSA-WITH-AES-256-CBC-SHA

TLS error: The server has no TLS ciphersuites in common with the client. Your
--tls-cipher setting might be too restrictive.


3 of 4 are not in the --show-tls list:

Available TLS Ciphers,
listed in order of preference:

TLS-ECDHE-RSA-WITH-AES-256-GCM-SHA384
TLS-ECDHE-ECDSA-WITH-AES-256-GCM-SHA384
TLS-ECDHE-RSA-WITH-AES-256-CBC-SHA384
TLS-ECDHE-ECDSA-WITH-AES-256-CBC-SHA384
TLS-ECDHE-RSA-WITH-AES-256-CBC-SHA
TLS-ECDHE-ECDSA-WITH-AES-256-CBC-SHA
TLS-DHE-RSA-WITH-AES-256-GCM-SHA384
TLS-DHE-RSA-WITH-AES-256-CBC-SHA256
TLS-DHE-RSA-WITH-AES-256-CBC-SHA
TLS-DHE-RSA-WITH-CAMELLIA-256-CBC-SHA
TLS-ECDHE-RSA-WITH-AES-128-GCM-SHA256
TLS-ECDHE-ECDSA-WITH-AES-128-GCM-SHA256
TLS-ECDHE-RSA-WITH-AES-128-CBC-SHA256
TLS-ECDHE-ECDSA-WITH-AES-128-CBC-SHA256
TLS-ECDHE-RSA-WITH-AES-128-CBC-SHA
TLS-ECDHE-ECDSA-WITH-AES-128-CBC-SHA
TLS-DHE-RSA-WITH-AES-128-GCM-SHA256
TLS-DHE-RSA-WITH-AES-128-CBC-SHA256
TLS-DHE-RSA-WITH-AES-128-CBC-SHA
TLS-DHE-RSA-WITH-CAMELLIA-128-CBC-SHA


This patch describes, that I can use weak chipers:

http://article.gmane.org/gmane.network.openvpn.devel/11455


What are my options right now, if I try to support old hardware routers?


Thanks for any help!


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