New session is created, but cannot connect

[Nindya]

Here is the error.log on my server :

2014-09-29 18:05:22.611 On the TCP Listener (Port 443), a Client (IP address xxx.xxx.xx.xxx, Host name "monitoring.cnrg", Port number 2248) has connected.
2014-09-29 18:05:22.611 For the client (IP address: xxx.xxx.xx.xxx, host name: "monitoring.cnrg", port number: 2248), connection "CID-23" has been created.
2014-09-29 18:05:22.611 OpenVPN Module: The OpenVPN Server Module is starting.
2014-09-29 18:05:22.611 OpenVPN Session 1 (xxx.xxx.xx.xxx:2248 -> yyy.yyy.y.yy:443): A new session is created. Protocol: TCP
2014-09-29 18:05:22.611 OpenVPN Session 1 (xxx.xxx.xx.xxx:2248 -> yyy.yyy.y.yy:443) Channel 0: A new channel is created.
-----it stop right here-------
2014-09-29 18:05:52.905 OpenVPN Session 1 (xxx.xxx.xx.xxx:2248 -> yyy.yyy.y.yy:443): Deleting the session.
2014-09-29 18:05:52.905 OpenVPN Module: The OpenVPN Server Module is stopped.
2014-09-29 18:05:52.905 Connection "CID-23" has been terminated.
2014-09-29 18:05:52.905 The connection with the client (IP address xxx.xxx.xx.xxx, Port number 2248) has been disconnected.

It should be like this right :
2014-09-29 18:22:44.512 On the TCP Listener (Port 443), a Client (IP address zzz.zzz.zz.zzz, Host name "desknow.cnrglab.itb.ac.id", Port number 59809) has connected.
2014-09-29 18:22:44.512 For the client (IP address: zzz.zzz.zz.zzz, host name: "desknow.cnrglab.itb.ac.id", port number: 59809), connection "CID-41" has been created.
2014-09-29 18:22:44.512 OpenVPN Module: The OpenVPN Server Module is starting.
2014-09-29 18:22:44.512 OpenVPN Session 1 (zzz.zzz.zz.zzz:59809 -> yyy.yyy.y.yy:443): A new session is created. Protocol: TCP
2014-09-29 18:22:44.512 OpenVPN Session 1 (zzz.zzz.zz.zzz:59809 -> yyy.yyy.y.yy:443) Channel 0: A new channel is created.
2014-09-29 18:22:44.625 OpenVPN Session 1 (zzz.zzz.zz.zzz:59809 -> yyy.yyy.y.yy:443) Channel 0: Option Strings Received: "V4,dev-type tun,link-mtu 1559,tun-mtu 1500,proto TCPv4_CLIENT,cipher AES-128-CBC,auth SHA1,keysize 128,key-method 2,tls-client"
2014-09-29 18:22:44.625 OpenVPN Session 1 (zzz.zzz.zz.zzz:59809 -> yyy.yyy.y.yy:443) Channel 0: Option Strings to Send: "V4,dev-type tun,link-mtu 1559,tun-mtu 1500,proto TCPv4_SERVER,cipher AES-128-CBC,auth SHA1,keysize 128,key-method 2,tls-server"
2014-09-29 18:22:46.824 On the TCP Listener (Port 0), a Client (IP address zzz.zzz.zz.zzz, Host name "desknow.cnrglab.itb.ac.id", Port number 59809) has connected.
2014-09-29 18:22:46.824 For the client (IP address: zzz.zzz.zz.zzz, host name: "desknow.cnrglab.itb.ac.id", port number: 59809), connection "CID-42" has been created.
2014-09-29 18:22:46.824 SSL communication for connection "CID-42" has been started. The encryption algorithm name is "(null)".
2014-09-29 18:22:46.824 [HUB "VPN"] The connection "CID-42" (IP address: zzz.zzz.zz.zzz, Host name: desknow.cnrglab.itb.ac.id, Port number: 59809, Client name: "OpenVPN Client", Version: 4.10, Build: 9473) is attempting to connect to the Virtual Hub. The auth type provided is "External server authentication" and the user name is "test".
2014-09-29 18:22:46.824 [HUB "VPN"] Connection "CID-42": Successfully authenticated as user "test".
2014-09-29 18:22:46.824 [HUB "VPN"] Connection "CID-42": The new session "SID-TEST-[OPENVPN_L3]-10" has been created. (IP address: 167.205.22.178, Port number: 59809, Physical underlying protocol: "Legacy VPN - OPENVPN_L3")
2014-09-29 18:22:46.824 [HUB "VPN"] Session "SID-TEST-[OPENVPN_L3]-10": The parameter has been set. Max number of TCP connections: 1, Use of encryption: Yes, Use of compression: No, Use of Half duplex communication: No, Timeout: 20 seconds.
2014-09-29 18:22:46.824 [HUB "VPN"] Session "SID-TEST-[OPENVPN_L3]-10": VPN Client details: (Client product name: "OpenVPN Client", Client version: 410, Client build number: 9473, Server product name: "SoftEther VPN Server (64 bit)", Server version: 410, Server build number: 9473, Client OS name: "OpenVPN Client", Client OS version: "-", Client product ID: "-", Client host name: "", Client IP address: "zzz.zzz.zz.zzz", Client port number: 59809, Server host name: "yyy.yyy.y.yy", Server IP address: "yyy.yyy.y.yy", Server port number: 443, Proxy host name: "", Proxy IP address: "0.0.0.0", Proxy port number: 0, Virtual Hub name: "VPN", Client unique ID: "C118D16506F358CBB4E03C5322F3EE88")
2014-09-29 18:22:47.856 [HUB "VPN"] SecureNAT: The DHCP entry 9 has been created. MAC address: CA-72-41-6D-49-51, IP address: 167.205.29.17, host name: , expiration span: 7200 seconds
2014-09-29 18:22:47.856 [HUB "VPN"] Session "SID-SECURENAT-1": The DHCP server of host "00-AC-D8-59-E1-BE" (167.205.29.1) on this session allocated, for host "SID-TEST-[OPENVPN_L3]-10" on another session "CA-72-41-6D-49-51", the new IP address aaa.aaa.aa.aa.
2014-09-29 18:22:47.856 OpenVPN Session 1 (zzz.zzz.zz.zzz:59809 -> yyy.yyy.y.yy:443) Channel 0: The channel becomes the established state.
2014-09-29 18:22:47.856 OpenVPN Session 1 (zzz.zzz.zz.zzz:59809 -> yyy.yyy.y.yy:443) Channel 0: The IP address and other network information parameters are set successfully. IP Address of Client: aaa.aaa.aa.aa, Subnet Mask: 255.255.255.0, Default Gateway: aaa.aaa.aa.a, DNS Server 1: aaa.aaa.aa.a, DNS Server 2: , WINS Server 1: , WINS Server 2:
2014-09-29 18:22:47.856 OpenVPN Session 1 (zzz.zzz.zz.zzz:59809 -> yyy.yyy.y.yy:443) Channel 0: The full strings replied: "PUSH_REPLY,ping 3,ping-restart 10,ifconfig aaa.aaa.aa.aa aaa.aaa.aa.ab,dhcp-option DNS 167.205.29.1,route-gateway 167.205.29.18,redirect-gateway def1"
2014-09-29 18:22:56.502 [HUB "VPN"] SecureNAT: The UDP session 218 has been created. Connection source 167.205.29.17:51225, Connection destination aaa.aaa.aa.a:53
2014-09-29 18:22:57.209 [HUB "VPN"] SecureNAT: The UDP session 219 has been created. Connection source 167.205.29.17:50567, Connection destination aaa.aaa.aa.a:53
2014-09-29 18:22:57.220 [HUB "VPN"] SecureNAT: The UDP session 220 has been created. Connection source 167.205.29.17:49183, Connection destination aaa.aaa.aa.a:53
2014-09-29 18:22:57.220 [HUB "VPN"] SecureNAT: The UDP session 221 has been created. Connection source 167.205.29.17:57385, Connection destination aaa.aaa.aa.a:53
2014-09-29 18:23:05.023 OpenVPN Module: The OpenVPN Server Module is stopped.
2014-09-29 18:23:05.023 Connection "CID-42" has been terminated.

The other connected client have no problem

My server OS is CentOS release 6.5 (Final)
Softether version softether-vpnserver-v4.10-9473-beta-2014.07.12-linux-x64-64bit.tar.gz
My client OS is Windows 7, with OpenVPN GUI

Can anyone please help me ?

[thisjun]

Could you read log of client side?

[Nindya]

Here is my client log

Mon Oct 13 17:35:48 2014 OpenVPN 2.1.1 i686-pc-mingw32 [SSL] [LZO2] [PKCS11] built on Dec 11 2009
Mon Oct 13 17:35:53 2014 WARNING: No server certificate verification method has been enabled. See http://openvpn.net/howto.html#mitm for more info.
Mon Oct 13 17:35:53 2014 NOTE: OpenVPN 2.1 requires '--script-security 2' or higher to call user-defined scripts or executables
Mon Oct 13 17:35:54 2014 Control Channel MTU parms [ L:1559 D:140 EF:40 EB:0 ET:0 EL:0 ]
Mon Oct 13 17:35:54 2014 Data Channel MTU parms [ L:1559 D:1450 EF:59 EB:4 ET:0 EL:0 ]
Mon Oct 13 17:35:54 2014 Local Options hash (VER=V4): '30065675'
Mon Oct 13 17:35:54 2014 Expected Remote Options hash (VER=V4): '37840390'
Mon Oct 13 17:35:54 2014 Attempting to establish TCP connection with xxx.xxx.3.81:443
Mon Oct 13 17:35:54 2014 TCP connection established with xxx.xxx.3.81:443
Mon Oct 13 17:35:54 2014 Socket Buffers: R=[8192->8192] S=[8192->8192]
Mon Oct 13 17:35:54 2014 TCPv4_CLIENT link local: [undef]
Mon Oct 13 17:35:54 2014 TCPv4_CLIENT link remote: xxx.xxx.3.81:443
Mon Oct 13 17:35:54 2014 TLS: Initial packet from xxx.xxx.3.81:443, sid=0c71b115 d66901ed
Mon Oct 13 17:35:54 2014 WARNING: this configuration may cache passwords in memory -- use the auth-nocache option to prevent this
Mon Oct 13 17:35:54 2014 VERIFY OK: depth=0, /CN=VPN_ITB/O=VPN_ITB/OU=VPN_ITB/C=US
Mon Oct 13 17:35:59 2014 TCP/UDP: Closing socket
Mon Oct 13 17:35:59 2014 SIGTERM[hard,] received, process exiting

Thank you for helping

Anything wrong ?

[thisjun]

Is there any firewall on the route?

[Nindya]

I guess no
Coz my client can connect with OpenVPN GUI (with FreeBSD server)
But it doesn't work with SoftEther

[thisjun]

Could you try to use native SoftEther VPN Client?

[Nindya]

Okey
I'll try it
But, can you tell me what might be the problem ?
Because my project is to change OpenVPN server to SoftEther server with the same platform for client ( via OpenVPNGUI )

[Nindya]

Hey, I have tried it with native SoftEther VPN Client
And it worked :)

But still, I try to change OpenVPN server (FreeBSD) to SoftEther server (CentOS) with the same app for client (via OpenVPNGUI)
Can you tell me what might be the problem, so my client still could use OpenVPN GUI ?

Pleeaassseeee . . . . my boss keep asking me about this

[thisjun]

Could you try to update your SoftEther VPN server to latest version.
There is fix about OpenVPN.
http://www.softether.org/5-download/history