Hi all, I have lately upgraded the OpenVPN server to Debian9 which is using openvpn 2.4.0-6. I have several openvpn clients terminating to this server which are running Debian7 and one of them Ubuntu 12.04. I know, these are old... The debian7 ones are able to terminate the server and connectivity through openvpn is confirmed, while the Ubuntu one is having a hard time. When establishing VPN with the server the Ubuntu client gives the error:
RTue Oct 9 14:26:23 2018 us=825324 cipher_ctx_update_ad: EVP_CipherUpdate() failed Tue Oct 9 14:26:23 2018 us=825476 Exiting due to fatal error Tue Oct 9 14:26:23 2018 us=825802 Closing TUN/TAP interface Tue Oct 9 14:26:23 2018 us=825961 /sbin/ip addr del dev tun0 169.250.0.2/16 I have updated the openvpn package at the Ubuntu client by preparing a deb and installing 2.4.3-1. The issue still remains. The client configuration is: client dev tun0 proto udp remote <remote> 1195 resolv-retry infinite nobind ;user nobody ;group nogroup persist-key persist-tun ca keys/ca.crt cert keys/client.crt key keys/client.key ns-cert-type server tls-auth keys/ta.key 1 cipher AES-128-CBC comp-lzo reneg-sec 0 log /var/log/openvpn.log verb 3 # TOS passtos The server config is: port 1195 proto udp dev tun1 # Server Keys ca server-keys/ca.crt cert server-keys/server.crt key server-keys/server.key dh server-keys/dh1024.pem tls-auth server-keys/ta.key 0 # VPN Network topology subnet server 169.250.0.0 255.255.0.0 ifconfig-pool-persist ipp.vsat.txt client-config-dir ccd keepalive 120 600 cipher AES-128-CBC # AES comp-lzo persist-key persist-tun status openvpn-status.log log-append /var/log/openvpn.log verb 3 reneg-sec 86400 # TOS passtos # Management Interface management 127.0.0.1 1195 Any clues why this is happening? Many thanx, Alex
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