ios can't connnected

[pandabossli]

hello

When I use demo, I use the following openvpn configuration. After clicking start, it remains' disconnected ', but I can use this configuration on the openvpn client

pull client dev tun proto udp remote serverip port redirect-gateway def1 nobind persist-key persist-tun compress verb 3 <ca> ca content </ca> ns-cert-type server key-direction 1 auth-user-pass allow-compression yes reneg-sec 0