SoftEther VPN User Forum

I am a user in mainland china, while using softether, I always get error (error code 2): protocol error and are unable to connect to vpn.
But sometimes I can connect successfully.
How to deal with this problem?
thx~


Info:
OS :win 8.1 64bit
SoftEther VPN version: 4.14 build 9546

ipconfig /all result (It is originally in Chinese and has been translated into english by google):
Windows IP Configuration

   Host Name:............. Mamsds-PC
   Primary DNS suffix...........:
   Node Type:............ Mixed
   IP routing is enabled:.......... No
   WINS Proxy Enabled:......... No

Ethernet adapter Bluetooth Network Connection:

   Media state:.......... Media disconnected
   Connection-specific DNS suffix......:
   Description:............... Bluetooth Device (Personal Area Network)
   Physical Address:............. 70-18-8B-28-7F-F2
   DHCP is enabled:.......... Is
   Automatic Configuration is enabled:......... Is

Ethernet adapters VPN - VPN Client:

   Media state:.......... Media disconnected
   Connection-specific DNS suffix......:
   ............... Description: VPN Client Adapter - VPN
   Physical Address:............. 00-AC-83-16-9D-60
   DHCP is enabled:.......... Is
   Automatic Configuration is enabled:......... Is

Wireless LAN adapter Local Area Connection * 11:

   Media state:.......... Media disconnected
   Connection-specific DNS suffix......:
   Description:............... Microsoft Wi-Fi Direct virtual adapter
   Physical Address:............. 12-18-8B-28-7F-F1
   DHCP is enabled:.......... Is
   Automatic Configuration is enabled:......... Is

Ethernet adapter Local Area Connection 2:

   Media state:.......... Media disconnected
   Connection-specific DNS suffix......:
   Description:............... TeamViewer VPN Adapter
   Physical Address:............. 00-FF-57-FF-D1-CE
   DHCP is enabled:.......... Is
   Automatic Configuration is enabled:......... Is

Ethernet adapter Local Area Connection:

   Media state:.......... Media disconnected
   Connection-specific DNS suffix......:
   Description:............... Broadcom NetLink (TM) Gigabit Ethernet
   Physical Address:............. 54-BE-F7-3C-E2-2A
   DHCP is enabled:.......... Is
   Automatic Configuration is enabled:......... Is

Wireless LAN adapter WLAN:

   Connection-specific DNS suffix......:
   Description:............... Qualcomm Atheros AR5BWB222 Wireless Network Adapter
   Physical Address:............. 70-18-8B-28-7F-F1
   DHCP is enabled:.......... Is
   Automatic Configuration is enabled:......... Is
   IPv6 link-local address:........ Fe80 :: ddef: bb42: 3c2b: d9d9% 2 (preferred)
   IPv4 address:............ 192.168.0.100 (preferred)
   Subnet Mask:............ 255.255.255.0
   Time to get a lease:........ May 27, 2015 19:18:14
   Lease Expiration Date:......... July 4, 2151 2:21:56
   Default Gateway:............. 192.168.0.1
   DHCP server:........... 192.168.0.1
   DHCPv6 IAID:........... 376445067
   DHCPv6 client DUID:....... 00-01-00-01-1C-73-2D-E3-54-BE-F7-3C-E2-2A
   DNS server:........... 114.114.114.114
                                       202.103.24.68
   NetBIOS TCPIP on:....... Enabled

Tunnel adapter isatap {569D470E-43A2-400B-B7AC-FCC980B81A39}.:

   Media state:.......... Media disconnected
   Connection-specific DNS suffix......:
   Description:............... Microsoft ISATAP Adapter
   Physical Address:............. 00-00-00-00-00-00-00-E0
   DHCP is enabled:.......... No
   Automatic Configuration is enabled:......... Is

Tunnel adapter Local Area Connection * 13:

   Connection-specific DNS suffix......:
   Description:............... Teredo Tunneling Pseudo-Interface
   Physical Address:............. 00-00-00-00-00-00-00-E0
   DHCP is enabled:.......... No
   Automatic Configuration is enabled:......... Is
   IPv6 address:............ 2001: 0: 9d38: 90d7: 1854: 526b: c5cf: e2c0 (preferred)
   IPv6 link-local address:........ Fe80 :: 1854: 526b: c5cf: e2c0% 10 (preferred)
   Default Gateway:............ ::
   DHCPv6 IAID:........... 201326592
   DHCPv6 client DUID:....... 00-01-00-01-1C-73-2D-E3-54-BE-F7-3C-E2-2A
   NetBIOS TCPIP on:....... Has been disabled

I think your server's IP was blocked by GFW.
Please don't use default port number like 443.
Try to act stealthy.

I had a similar problem too. may i ask where to change to port number?
(im not very good with tech stuff)

Please refer the manual.
http://www.softether.org/4-docs/1-manua ... ener_Ports

thisjun wrote:
> Please refer the manual.
>
> http://www.softether.org/4-docs/1-manua ... ener_Ports
I have read the manual, but I failed to find out :
VPN Server Manage.
in my software, is this a part of Softether VPN Client Manager?
Or should I download another one?~

Listener port is sever side configuration.