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1 7th June 06:20
sally mathews\j^bˬ*h(~(
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Posts: 1
Default SBS 2003 VPN configuration question


I am at the end of my rope and am reaching out for some knowledge, please
share what you can.

I have a SBS2003 server with 2 nics. My inside NIC is set to hand out IPs
through DHCP with a scope of 192.168.16.*, my outside NIC is on 192.168.1.*
and I do have a Linksys router set up with a static IP to the ISP. My
network, exchange, and other apps have been fine but I am up against a wall
with a state mandate which is forcing us to VPN using an AT&T global network
client VPN.

The point I am at now is that I can connect to the VPN if I set my router's
static IP config to a laptop and connect directly to the ISPs DSL gateway. I
can also connect if I plug into my router and turn DHCP on and let the router
give me an IP.

What I cannot do is connect to the VPN from any domain (or a vanilla XP
setup without domain configured). I receive a IPSEC error telling me that
protocol 50 or Port 4500 are not configured to allow IPSEC. For months I had
been back and forth with the ISP because I had thought it was there problem
(I was unable to ever connect unless I went through another ISP in another
town). But today the ISP made some configuration changes and with my vanilla
XP laptop was able to connect from there location, then came to my location
and was able to make the successful connections I discussed above.

They are telling me that my server is acting as a router and that I need to
configure the UDP port on the DHCP scope. I am not sure exactly where to
open ports or if I can from the server and have looked all over the place.

In addition I am running Symantec EndPoint and not the WIndows firewall (if
that matters).

I will capture my server's IPCONFIG and see if there is anyone who can help.
The ISP also noted that if I would just run DHCP from the linksys router I
shouldn't have the problem since the router is configured with all of the
ports necessary for the VPN connection. Unfortunately I don't think I can do
that without unravelling a server configuration that is working otherwise.

Please assist.. suggestions? I appreciate your help!!!
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2 7th June 06:20
sally mathews\j^bˬ*h(~(
External User
 
Posts: 1
Default SBS 2003 VPN configuration question


Here is my server IPCONFIG:

indows IP Configuration

Host Name . . . . . . . . . . . . : SERVER

Primary Dns Suffix . . . . . . . : GS.local

Node Type . . . . . . . . . . . . : Unknown

IP Routing Enabled. . . . . . . . : Yes

WINS Proxy Enabled. . . . . . . . : Yes

DNS Suffix Search List. . . . . . : GS.local

Ethernet adapter Server Local Area Connection:

Connection-specific DNS Suffix . :

Description . . . . . . . . . . . : Intel(R) PRO/1000 PM Network Connection

Physical Address. . . . . . . . . : 00-13-20-8E-A9-BF

DHCP Enabled. . . . . . . . . . . : No

IP Address. . . . . . . . . . . . : 192.168.16.2

Subnet Mask . . . . . . . . . . . : 255.255.255.0

Default Gateway . . . . . . . . . :

DNS Servers . . . . . . . . . . . : 192.168.16.2

Primary WINS Server . . . . . . . : 192.168.16.2

Ethernet adapter Network Connection:

Connection-specific DNS Suffix . :

Description . . . . . . . . . . . : SysKonnect SK-9E21D 10/100/1000Base-T
Adapter, Copper RJ-45

Physical Address. . . . . . . . . : 00-00-5A-71-74-28

DHCP Enabled. . . . . . . . . . . : No

IP Address. . . . . . . . . . . . : 192.168.1.202

Subnet Mask . . . . . . . . . . . : 255.255.255.0

Default Gateway . . . . . . . . . : 192.168.1.1

DNS Servers . . . . . . . . . . . : 192.168.16.2

NetBIOS over Tcpip. . . . . . . . : Disabled
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3 7th June 06:20
sally mathews\j^bˬ*h(~(
External User
 
Posts: 1
Default SBS 2003 VPN configuration question


If you need to see my solution you can search for another post with subject
of "VPN IPSEC issue, can you please help?" It was resolved
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