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Branch Can't connect to intranet site

B

blemoine

Senior member
Here it is: i have a main office and two branch offices. The 1st branch is connected with a PTP T1. The 2nd branch is connected through a VPN connection. Main office and 2nd branch both have DSL connections and Instagate Pro firewalls that connect via vpn. We have Share Point Portal setup on our server in the main office. Everyone at the main office and at the 1st branch can connect to it fine but everyone at the second branch can't connect to it at all. Each branch has a DNS server with the forwarder set to our main dns server. We are running WINS on our main server and everyone is set with that address. From the second branch i can access the Dell Openmange Site that is on the same server as Share Point.

IP Addresses:
Main Office 10.1.1.0 (255.255.255.0)
1st Branch 10.8.1.0 (255.255.255.224)
2nd Branch 10.8.1.32 (255.255.255.224)

IP addresses are given to us by a 3rd party and are not negotiable. We don't use DHCP. Everything is static.

Does anyone have any idea why i can't reach this site? It times out almost like DNS is not working. But if dns wasn't working then i wouldn't be able to go to the internet or anything of that nature. any ideas?
 
Originally posted by: blemoine
Here it is: i have a main office and two branch offices. The 1st branch is connected with a PTP T1. The 2nd branch is connected through a VPN connection. Main office and 2nd branch both have DSL connections and Instagate Pro firewalls that connect via vpn. We have Share Point Portal setup on our server in the main office. Everyone at the main office and at the 1st branch can connect to it fine but everyone at the second branch can't connect to it at all. Each branch has a DNS server with the forwarder set to our main dns server. We are running WINS on our main server and everyone is set with that address. From the second branch i can access the Dell Openmange Site that is on the same server as Share Point.

IP Addresses:
Main Office 10.1.1.0 (255.255.255.0)
1st Branch 10.8.1.0 (255.255.255.224)
2nd Branch 10.8.1.32 (255.255.255.224)

IP addresses are given to us by a 3rd party and are not negotiable. We don't use DHCP. Everything is static.

Does anyone have any idea why i can't reach this site? It times out almost like DNS is not working. But if dns wasn't working then i wouldn't be able to go to the internet or anything of that nature. any ideas?
Click to expand...

How long has this not been working? To me it appears as though your 1st and 2nd branch are on the same network. This could cause a problem as maybe the traffic is being router to the 1st branch when it is supposed to go to the 2nd branch?
 
You need to decide if you want to do split tunneling or not - that is the VPN connection will normally NOT allow communications outside of the specified networks (the 10. in your case)

Or just modify the VPN tunnel to allow this traffic to be encrypted and sent to your branch. So you have two choices

1) let 2nd branch go directly to the net on their connection
2) tunnel everything back to the branch and out

option 1 would be more efficient, but comes with security risks
option 2 is more secure, but less efficient
 
the 2nd branch's firewalls is also a proxy server but we have the broswer set to by pass proxy for local address. so it shouldn't be trying to use that proxy server at all. The Share Point site is internal and can't be made available to the public.

Why can i access that Dell Openmanage Site from the 2nd branch and not Share Point?
 
Is it in the same IP range as the dell openmanage?

Can you ping?

Can to telnet to the IP address on port 80?

It may be proxying when you don't want it to?
 
Same ip range? its the same machine. OpenManage uses port 1311 and Share Point uses 80. i can ping the ip address and the machine name.
 
sounds like a proxy setting to me.

If you can reach the box on other ports then the only thing preventing it is a ACL or the proxy getting in the way.

Try telnetting to port 80.
 
actually i can't telnet anything on any port. i tried telneting into a router at the main office and no luck.
 
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