VPN connection using flutter

[Abhijeet Hasabe]

Hello,

I am try to connect vpn server using given IP and username & password. but I am unable to connect server.

oland VPN Server: PL226.vpnbook.com
Germany VPN Server: de4.vpnbook.com
Following servers are optimized for fast web surfing; no p2p downloading
US VPN Server: us1.vpnbook.com
US VPN Server: us2.vpnbook.com
France VPN Server: fr1.vpnbook.com
France VPN Server: fr8.vpnbook.com
Canada VPN Server: ca222.vpnbook.com
Canada VPN Server: ca198.vpnbook.com
Username: vpnbook
Password: 8AKctYE

Error

I/Choreographer( 1351): Skipped 2 frames! The application may be doing too much work on its main thread.
I/charon ( 1351): 00[LIB] loaded plugins: androidbridge charon android-log openssl fips-prf random nonce pubkey chapoly curve25519 pkcs1 pkcs8 pem xcbc hmac socket-default revocation eap-identity eap-mschapv2 eap-md5 eap-gtc eap-tls x509
I/charon ( 1351): 00[JOB] spawning 16 worker threads
I/CharonVpnService( 1351): charon started
D/libc-netbsd( 1351): [getaddrinfo]: hostname=ca222.vpnbook.com; servname=(null); app_pid=1351; app_uid=10344; ai_flags=0; ai_family=2; ai_socktype=2 from prox result 0
I/charon ( 1351): 07[IKE] initiating IKE_SA android[1] to 192.99.37.222
I/charon ( 1351): 07[ENC] generating IKE_SA_INIT request 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) N(FRAG_SUP) N(HASH_ALG) N(REDIR_SUP) ]
I/charon ( 1351): 07[NET] sending packet: from 100.68.135.140[43339] to 192.99.37.222[500] (716 bytes)
I/charon ( 1351): 12[IKE] retransmit 1 of request with message ID 0
I/charon ( 1351): 12[NET] sending packet: from 100.68.135.140[43339] to 192.99.37.222[500] (716 bytes)
I/charon ( 1351): 13[IKE] retransmit 2 of request with message ID 0
I/charon ( 1351): 13[NET] sending packet: from 100.68.135.140[43339] to 192.99.37.222[500] (716 bytes)
I/zygote64( 1351): Do partial code cache collection, code=30KB, data=27KB
I/zygote64( 1351): After code cache collection, code=30KB, data=27KB
I/zygote64( 1351): Increasing code cache capacity to 128KB
I/charon ( 1351): 14[IKE] retransmit 3 of request with message ID 0
I/charon ( 1351): 14[NET] sending packet: from 100.68.135.140[43339] to 192.99.37.222[500] (716 bytes)
I/charon ( 1351): 01[IKE] giving up after 3 retransmits
I/charon ( 1351): 01[IKE] establishing IKE_SA failed, peer not responding
I/charon ( 1351): 07[IKE] unable to terminate IKE_SA: ID 1 not found