[Vpn-help] Non-local DNS lookup failed in 2.1.0-release

Tai-hwa Liang avatar at mmlab.cse.yzu.edu.tw
Sun Aug 3 04:42:48 CDT 2008


   After upgrading 2.1.0-beta-5 to 2.1.0-release, DNS queries to outside
domain no longer works after connected to VPN gateway:

C:\>nslookup www.google.com
DNS request timed out.
     timeout was 2 seconds.
*** Can't find server name for address 192.168.0.1: Timed out
DNS request timed out.
     timeout was 2 seconds.
*** Can't find server name for address 168.95.192.1: Timed out
DNS request timed out.
     timeout was 2 seconds.
*** Can't find server name for address 168.95.1.1: Timed out
*** Default servers are not available
Server:  UnKnown
Address:  192.168.0.1

DNS request timed out.
     timeout was 2 seconds.
*** Request to UnKnown timed-out

C:\>ipconfig /all

Windows IP Configuration

         Host Name . . . . . . . . . . . . : test
         Primary Dns Suffix  . . . . . . . : example.com
         Node Type . . . . . . . . . . . . : Peer-Peer
         IP Routing Enabled. . . . . . . . : No
         WINS Proxy Enabled. . . . . . . . : No
         DNS Suffix Search List. . . . . . : example.com
                                             example.com

Ethernet adapter VMware Network Adapter VMnet8:

         Connection-specific DNS Suffix  . :
         Description . . . . . . . . . . . : VMware Virtual Ethernet Adapter for
VMnet8
         Physical Address. . . . . . . . . : 00-50-56-C0-00-08
         Dhcp Enabled. . . . . . . . . . . : No
         IP Address. . . . . . . . . . . . : 192.168.206.1
         Subnet Mask . . . . . . . . . . . : 255.255.255.0
         Default Gateway . . . . . . . . . :

Ethernet adapter VMware Network Adapter VMnet1:

         Connection-specific DNS Suffix  . :
         Description . . . . . . . . . . . : VMware Virtual Ethernet Adapter for
VMnet1
         Physical Address. . . . . . . . . : 00-50-56-C0-00-01
         Dhcp Enabled. . . . . . . . . . . : No
         IP Address. . . . . . . . . . . . : 192.168.253.1
         Subnet Mask . . . . . . . . . . . : 255.255.255.0
         Default Gateway . . . . . . . . . :

Ethernet adapter 區域連線:

         Connection-specific DNS Suffix  . :
         Description . . . . . . . . . . . : NVIDIA nForce Networking Controller
         Physical Address. . . . . . . . . : 00-15-F2-16-D5-78
         Dhcp Enabled. . . . . . . . . . . : No
         IP Address. . . . . . . . . . . . : 192.168.1.196
         Subnet Mask . . . . . . . . . . . : 255.255.255.0
         Default Gateway . . . . . . . . . : 192.168.1.1
         DNS Servers . . . . . . . . . . . : 168.95.192.1
                                             168.95.1.1

Ethernet adapter {3FE8816A-71E4-4533-BE94-3997765D6B1A}:

         Connection-specific DNS Suffix  . : example.com
         Description . . . . . . . . . . . : Shrew Soft Virtual Adapter - Packet
Scheduler Miniport
         Physical Address. . . . . . . . . : AA-AA-AA-AA-AA-00
         Dhcp Enabled. . . . . . . . . . . : No
         IP Address. . . . . . . . . . . . : 192.168.123.2
         Subnet Mask . . . . . . . . . . . : 255.255.255.0
         Default Gateway . . . . . . . . . :
         DNS Servers . . . . . . . . . . . : 192.168.0.1
         Primary WINS Server . . . . . . . : 192.168.0.51

   Meanwhilst, ping/lookup to host inside VPN works; ping'ing to outside
domain using IP address works as well.  Once I disconnected from the VPN
gateway, DNS lookup to www.google.com works again.

   VPN client version = 2.1.0 release
   Windows OS version = Windows XP SP3
   Gateway = FreeBSD 6-STABLE + ipsec-tools-0.7


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