I've tried to remove as many lines as possible between the initial error with the VPN and where it says to ignore user entry.
25/10/2015 08:10:47.526 com.apple.SecurityServer[86]: Problem opening rules file "/etc/authorization": No such file or directory
25/10/2015 08:10:47.526 com.apple.SecurityServer[86]: Authorization via securityd no longer supported
25/10/2015 08:10:48.818 acvpnui[1075]: Function: SignHash File: ../../vpn/CommonCrypt/Certificates/MacCertificate.cpp Line: 1463 Invoked Function: CSSM_SignData Return Code: -2147415839 (0x800108E1) Description: unknown
25/10/2015 08:10:49.218 acvpnui[1075]: Function: SendRequest File: ../../vpn/Api/CTransportCurlStatic.cpp Line: 1465 Invoked Function: curl_easy_perform Return Code: -30015446 (0xFE36002A) Description: CTRANSPORT_ERROR_SSL_HANDSHAKE 35 : Error
25/10/2015 08:10:49.218 acvpnui[1075]: Function: sendRequest File: ../../vpn/Api/ConnectIfc.cpp Line: 3209 Invoked Function: CTransport::SendRequest Return Code: -30015446 (0xFE36002A) Description: CTRANSPORT_ERROR_SSL_HANDSHAKE
25/10/2015 08:10:49.218 acvpnui[1075]: Function: connect File: ../../vpn/Api/ConnectIfc.cpp Line: 481 Invoked Function: ConnectIfc::sendRequest Return Code: -30015446 (0xFE36002A) Description: CTRANSPORT_ERROR_SSL_HANDSHAKE
25/10/2015 08:10:49.218 acvpnui[1075]: Function: TranslateStatusCode File: ../../vpn/Api/ConnectIfc.cpp Line: 3026 Invoked Function: TranslateStatusCode Return Code: -30015446 (0xFE36002A) Description: CTRANSPORT_ERROR_SSL_HANDSHAKE Connection attempt has failed due to server communication errors. Please retry the connection.
25/10/2015 08:10:49.218 acvpnui[1075]: Function: doConnectIfcConnect File: ../../vpn/Api/ConnectMgr.cpp Line: 1972 Invoked Function: ConnectIfc::connect Return Code: -30015446 (0xFE36002A) Description: CTRANSPORT_ERROR_SSL_HANDSHAKE
25/10/2015 08:10:49.219 acvpnui[1075]: Function: processIfcData File: ../../vpn/Api/ConnectMgr.cpp Line: 2773 Invoked Function: ConnectMgr::processIfcData Return Code: -30015446 (0xFE36002A) Description: CTRANSPORT_ERROR_SSL_HANDSHAKE Connection attempt has failed due to server communication errors. Please retry the connection.
25/10/2015 08:10:49.219 acvpnui[1075]: Function: nextClientCert File: ../../vpn/Api/ConnectMgr.cpp Line: 5105 Subject Name: O=.com, CN=, UID=, mail= Issuer Name : C=US, O=, CN= VPN Intermediate CA Store : Mac Keychain User
25/10/2015 08:10:49.586 acvpnui[1075]: Function: getUserName File: ../../vpn/Api/CTransportCurlStatic.cpp Line: 1982 PasswordEntry username is
25/10/2015 08:10:49.601 acvpnui[1075]: Function: PeerCertVerifyCB File: ../../vpn/Api/CTransportCurlStatic.cpp Line: 877 Return success from VerifyServerCertificate
25/10/2015 08:10:49.601 acvpnui[1075]: Function: getUserName File: ../../vpn/Api/CTransportCurlStatic.cpp Line: 1982 PasswordEntry username is
25/10/2015 08:10:52.469 SecurityAgent[1737]: Ignoring user action since the dialog has received events from an untrusted source