Re: VPN and DNS
- From: "Bastiaan" <bastiaan@xxxxxxxxxxxxxxxxxxxx>
- Date: Mon, 15 May 2006 18:19:50 +0200
Hi Kevin,
Thanks for the remarks, please let me try to explain a bit what I try to do
here.
We had a SBS 2003 box in the office, since we are on the road most of the
time we placed the server in a datacentre for more security and speed.
Now it is running WSRV2003R2 with Exchange 2003 (for testing and learning at
the moment).
In the datacenter it has an external NIC and a Remote Access system (DELL
ERA/O)
I am using an internal domain.local and several external domain names for
the websites (Hostheaders)
Purpose: run our exchange server for emails, run our (streaming)websites
/FTP
Store remote/redirected "My Documents" folders etc.
When we are in the office our Router (Draytek 2900V) can esteblish a VPN
connection to connect LAN to LAN / SERVER.
On the road we use VPN to synchronise folders.
As far as I understood, DNS and Exchange need an internal network address to
function?
IF I disable the internal NIC, I cannot connect remotely (Remote Desktop),
and Exchange SMTP mail does not get send.
Remote server admin works, websites work etc.
I have the Gateway set to my ISP on the external NIC. DNS points to
127.0.0.1
Hopes this shines some light :-)
PS what is a APIPA number?
"Kevin D. Goodknecht Sr. [MVP]" <admin@xxxxxxxxxxxxxx> wrote in message
news:eL$lk$CeGHA.1436@xxxxxxxxxxxxxxxxxxxxxxx
Bastiaan wrote:
I have just moved our WinServ2003 externally.If this adapter is not connected to a Network, you should disable it.
It has the WAN adapter @85.12.17.104, the internal LAN adapter is
active but not connected @192.168.0.1.
Now I try to use VPN for remote computers.Can't resolve what?
I can connect without problems and get an automatic IP 169.254.x x on
the clients.
When I just installed everything it worked, but now 24hrs later it
can't resolve.
I have added A records (169.254.166.177) to the DNS settingsWhy? There is no guarantee that the VPN server will get the same address
the
next time RRAS starts.
Can anybody hint me what is wrong here?Assuming you want access to more than just the VPN server one problem is
the
APIPA number.
Another problem is the ISP's DNS on the internal adapter, remove that DNS
address.
(I am new to the WinServ2003R2 coming from SBS2003)SBS can automatically configure itself for RAS and multi-homing, which I'm
not sure Win2k3R2 can do, and I know Win2k3 cannot do.
What is the purpose of this VPN server?
Is this for remote clients to be able to access the rest of your network?
If it is, how is this going to work if the LAN adapter is not connected?
Windows IP Configuration
Host Name . . . . . . . . . . . . : server
Primary Dns Suffix . . . . . . . : ZebraFilm.local
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : Yes
WINS Proxy Enabled. . . . . . . . : Yes
DNS Suffix Search List. . . . . . : ZebraFilm.local
Ethernet adapter WAN:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom NetXtreme Gigabit
Ethernet Physical Address. . . . . . . . . : 00-0B-DB-93-61-FB
DHCP Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 85.12.17.104
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 85.12.17.1
DNS Servers . . . . . . . . . . . : 127.0.0.1
Ethernet adapter LAN:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom NetXtreme Gigabit
Ethernet #2
Physical Address. . . . . . . . . : 00-0B-DB-93-61-FC
DHCP Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 192.168.0.1
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
DNS Servers . . . . . . . . . . . : 192.168.0.1
85.12.17.104<---------------REMOVE!
PPP adapter RAS Server (Dial In) Interface:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : WAN (PPP/SLIP) Interface
Physical Address. . . . . . . . . : 00-53-45-00-00-00
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Autoconfiguration IP Address. . . : 169.254.166.177
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Default Gateway . . . . . . . . . :
PPP adapter RAC Connection:<------------------------What is this
connected
to?
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : WAN (PPP/SLIP) Interface
Physical Address. . . . . . . . . : 00-53-45-00-00-00
DHCP Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 192.168.234.235
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Default Gateway . . . . . . . . . :
NetBIOS over Tcpip. . . . . . . . : Disabled
C:\Documents and Settings\Administrator>
--
Best regards,
Kevin D. Goodknecht Sr. [MVP]
Hope This Helps
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