VPN Server Addr Set VPN L2TP Server IP addressVPN User Name Set User Name access to VPN L2TP ServerVPN Password Set Password access to VPN L2TP Server8.3.7.4 SecuritySecurityField name explanationUpdate SecurityFileSelect Security File Select the security file you want to update, then clickUpdate button to updateDelete Security FileSelect Security File Select the security file you want to delete, then clickDelete button to updateSIP TLS File Show SIP TLS authentication certification fileHTTPS File Show HTTPS authentication certification fileOpen VPN Files Show Open VPN File authentication certification file8.3.8 Logout