Linux Mint 21
Success install openvpn.
OpenVPN 2.5.5 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [LZ4] [EPOLL] [PKCS11] [MH/PKTINFO] [AEAD] built on Mar 22 2022
openssl version
OpenSSL 1.1.1q 5 Jul 2022 (Library: OpenSSL 1.1.1m 14 Dec 2021)
Now want to connect to remote setup via openvpn.
sudo openvpn Leo.ovpn
but get error:
2022-08-15 09:29:10 WARNING: Compression for receiving enabled. Compression has been used in the past to break encryption. Sent packets are not compressed unless "allow-compression yes" is also set.
2022-08-15 09:29:10 --cipher is not set. Previous OpenVPN version defaulted to BF-CBC as fallback when cipher negotiation failed in this case. If you need this fallback please add '--data-ciphers-fallback BF-CBC' to your configuration and/or add BF-CBC to --data-ciphers.
2022-08-15 09:29:10 WARNING: file 'client.key' is group or others accessible
2022-08-15 09:29:10 OpenVPN 2.5.5 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [LZ4] [EPOLL] [PKCS11] [MH/PKTINFO] [AEAD] built on Mar 22 2022
2022-08-15 09:29:10 library versions: OpenSSL 3.0.2 15 Mar 2022, LZO 2.10
2022-08-15 09:29:10 WARNING: No server certificate verification method has been enabled. See http://openvpn.net/howto.html#mitm for more info.
2022-08-15 09:29:10 OpenSSL: error:0A00018E:SSL routines::ca md too weak
2022-08-15 09:29:10 Cannot load certificate file client.crt
2022-08-15 09:29:10 Exiting due to fatal error
P.S. I check folder. Exist files: client.crt and ca.crt
sudo openssl x509 -text -in ca.crt
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
d5:a0:93:fa:24:35:4d:95
...