2023-01-28 23:47:18 DEPRECATED OPTION: --cipher set to 'AES-256-CBC' but missing in --data-ciphers (AES-256-GCM:AES-128-GCM:CHACHA20-POLY1305). OpenVPN ignores --cipher for cipher negotiations. 2023-01-28 23:47:18 Cannot pre-load keyfile (VPN_Server_SSLVPN_Server_Certificate-tls.key)2023-01-28 23:47:18 Exiting due to fatal error
Both client and server need to agree on a certificate chain. Have you imported the root CA cert and any intermediate cert(s)?The most portable way is to add them to the ovpn file inside <ca> ... </ca>Bart...
dev tunpersist-tunpersist-keyproto tcp-clientcipher AES-256-CBCauth SHA512clientresolv-retry infiniteremote x.x.x.x xxxxx tcplport 0verify-x509-name "C=US, ST=Ohio, L=XXXXX, O=HomeVPN, emailAddress=nobody@cares.org, CN=HomeVPN Server Certificate" subjectremote-cert-tls serverauth-user-passpkcs12 VPN_access_HomeVPN_Server_Certificate.p12tls-auth VPN_access_HomeVPN_Server_Certificate-tls.key 1
Are you using a fresh install of 23.1 like I am or did you upgrade to it or are you stilling an older version of OPNsense?