hm Hello: I'm experimenting problems connecting a Mac with Maverik to Open VPN server that is in an endian firewall, I'm using the same configuration file than when connecting from windows. I don't know how to fix the WARNINGS and ERRORS that appears in the log file, because in windows didn't happened and everything works ok Any help would be appreciated. here are THE .OVPN FILE:: client dev tun ;proto tcp proto udp remote xx.dyndns.org 1194 float resolv-retry infinite nobind persist-key persist-tun ca efw.cer ;ns-cert-type server ;tls-auth ta.key 1 ;cipher x comp-lzo verb 3 ;mute 20 auth-user-pass AND LOG FILE: 2014-02-18 12:21:33 *Tunnelblick: OS X 10.9.1; Tunnelblick 3.4beta20 (build 3727) 2014-02-18 12:21:34 *Tunnelblick: Attempting connection with Pluss VPN using shadow copy; Set nameserver = 0; not monitoring connection 2014-02-18 12:21:34 *Tunnelblick: openvpnstart start Pluss\ VPN.tblk 1337 0 0 1 1 305 -ptADGNWradsgnw 2.2.1 2014-02-18 12:21:34 *Tunnelblick: openvpnstart log: Loading tun-signed.kext OpenVPN started successfully. Command used to start OpenVPN (one argument per displayed line): /Applications/Tunnelblick.app/Contents/Resources/openvpn/openvpn-2.2.1/openvpn --cd /Library/Application Support/Tunnelblick/Users/diegomujica/Pluss VPN.tblk/Contents/Resources --daemon --management 127.0.0.1 1337 --config /Library/Application Support/Tunnelblick/Users/diegomujica/Pluss VPN.tblk/Contents/Resources/config.ovpn --log /Library/Application Support/Tunnelblick/Logs/-SUsers-Sdiegomujica-SLibrary-SApplication Support-STunnelblick-SConfigurations-SPluss VPN.tblk-SContents-SResources-Sconfig.ovpn.0_0_1_1_305.1337.openvpn.log --management-query-passwords --management-hold --script-security 2 2014-02-18 12:21:34 *Tunnelblick: Established communication with OpenVPN 2014-02-18 12:21:34 *Tunnelblick: Obtained VPN username and password from the Keychain 2014-02-18 12:21:34 OpenVPN 2.2.1 i386-apple-darwin10.8.0 [SSL] [LZO2] [PKCS11] [eurephia] built on Jan 6 2014 2014-02-18 12:21:34 MANAGEMENT: TCP Socket listening on 127.0.0.1:1337 2014-02-18 12:21:34 Need hold release from management interface, waiting... 2014-02-18 12:21:34 MANAGEMENT: Client connected from 127.0.0.1:1337 2014-02-18 12:21:34 MANAGEMENT: CMD 'pid' 2014-02-18 12:21:34 MANAGEMENT: CMD 'state on' 2014-02-18 12:21:34 MANAGEMENT: CMD 'state' 2014-02-18 12:21:34 MANAGEMENT: CMD 'bytecount 1' 2014-02-18 12:21:34 MANAGEMENT: CMD 'hold release' 2014-02-18 12:21:34 MANAGEMENT: CMD 'username "Auth" "dm"' 2014-02-18 12:21:34 MANAGEMENT: CMD 'password [...]' 2014-02-18 12:21:34 WARNING: No server certificate verification method has been enabled. See http://openvpn.net/howto.html#mitm for more info. 2014-02-18 12:21:34 NOTE: the current --script-security setting may allow this configuration to call user-defined scripts 2014-02-18 12:21:34 LZO compression initialized 2014-02-18 12:21:34 Control Channel MTU parms [ L:1542 D:138 EF:38 EB:0 ET:0 EL:0 ] 2014-02-18 12:21:34 Socket Buffers: R=[196724->65536] S=[9216->65536] 2014-02-18 12:21:34 MANAGEMENT: >STATE:1392736894,RESOLVE,,, 2014-02-18 12:21:34 Data Channel MTU parms [ L:1542 D:1450 EF:42 EB:135 ET:0 EL:0 AF:3/1 ] 2014-02-18 12:21:34 Local Options hash (VER=V4): '41690919' 2014-02-18 12:21:34 Expected Remote Options hash (VER=V4): '530fdded' 2014-02-18 12:21:34 UDPv4 link local: [undef] 2014-02-18 12:21:34 UDPv4 link remote: 190.44.178.89:1194 2014-02-18 12:21:34 MANAGEMENT: >STATE:1392736894,WAIT,,, 2014-02-18 12:21:34 MANAGEMENT: >STATE:1392736894,AUTH,,, 2014-02-18 12:21:34 TLS: Initial packet from 190.44.178.89:1194, sid=371bfb63 f5446748 2014-02-18 12:21:34 WARNING: this configuration may cache passwords in memory -- use the auth-nocache option to prevent this 2014-02-18 12:21:34 *Tunnelblick: openvpnstart starting OpenVPN 2014-02-18 12:21:36 VERIFY ERROR: depth=1, error=self signed certificate in certificate chain: /C=IT/O=efw/CN=efw_CA 2014-02-18 12:21:36 TLS_ERROR: BIO read tls_read_plaintext error: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed 2014-02-18 12:21:36 TLS Error: TLS object -> incoming plaintext read error 2014-02-18 12:21:36 TLS Error: TLS handshake failed 2014-02-18 12:21:36 TCP/UDP: Closing socket 2014-02-18 12:21:36 SIGUSR1[soft,tls-error] received, process restarting 2014-02-18 12:21:36 MANAGEMENT: >