Questions tagged [site-to-site-vpn]

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Advice on Auditing VPN Connections

I've inherited a network that is truly a mess and the VPN config is amazingly long with confusing group names and very little documentation. I am curious to see how others have gone about auditing these types of connections. Are there any forms out…
whiteadam
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Barracuda/ASA IPSEC tunnel is closing (which is ok, on idle) but can only be raised from the Barracuda side

We have a IPSEC tunnel set up between our ASA and a Barracuda NG on the other side. The tunnel is functional, except it seems to have a very short idle time-out (couple of seconds) and it can only be raised from the Barracuda side. I feel…
Ed Dantes
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Ping Cisco ASA over VPN

ASA1 is 8.4(2) @ 192.168.1.1, behind this is host1 @ 192.168.1.10 ASA2 is 8.4(3) @ 192.168.2.1, behind this is host2 @ 192.168.2.10 Pinging form host1 to host2 works, but I can't ping that inside interface (192.168.2.1) on ASA2 over the tunnel from…
jwbensley
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How can I create a permanent/persistent PPTP VPN from a Windows Server 2008 (R2) machine?

A while ago I managed to create a permanent (or persistent) VPN to a remote server from my Windows 2008 server. However I can't remember how I did this and I can't find any articles explaining how you do it. I do not want to have to manually dial…
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Site-to-Site VPN: remote machines can't access local machines

In our office network we have a VPN setup to our datacenter. We are using a Sonicwall NAS. The VPN works fine for most cases. From our office we can connect to the servers in our DC but if I were to remote into a server in the DC and try to ping a…
illvm
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The best point-to-point VPN?

I'm working with a contractor in a different country. We need some method to add his machine to the local network, using a point-to-point VPN. Unfortunately, Hamachi, while very easy to use, creates stability problems as he is using Windows 7. Whats…
Contango
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Site to site VPN tracert

I'm not sure how in depth I need to go with this question, but currently I have a site-to-site VPN setup and we are having major connection issues between the two sites. I did a tracert and received an odd result: Tracing route to…
Jacob
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Changing an IPSec pre-shared key without bringing down the tunnel (too long)

How do you advise changing an IPSec L2L VPN pre-shared key with respect to minimizing downtime? Is there any magic formula for this, or best practice, or do you just kind of try to change it on both ends as closely as possible?
tacos_tacos_tacos
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Wireless LAN Bridge with WAN VPN Failover

My network is below, it's currently just an ordinary 192.168.0.0/24, the branch offices needs to have access to resources on the main site. Currently all internet traffic go across the bridge and through the Watchguards WAN connection. The…
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Basic Win2K8 R2 DNS/ADDS/DC setup within Amazon VPC

Newbie sysadmin here. I'd like to sharpen my skills by deploying Win2K8 R2 within Amazon's VPC offering. I'm using Tom Carpenter's 'Windows Server Administration Essentials' book (MTA-cert prep) for Windows administration guidance. After a bit of…
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Offshore application development - Access to dev network (Security best practice)

Let me start by telling you that I'm not very technical, but need to provide someone with some guidance and I was hoping you could assist. The situation is: Dev and Prod subnets (Not sure if they're in different VLANS, but on diff subnets) Current…
Craig
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Site-to-Site VPN between a Cisco router and a Linux box

SITE A A Cisco router (877W), configured for incoming VPN IPSec client connections Some servers, in a 192.168.0.0/24 network SITE B A Linux box with a physical NIC and a vpnc client (tun0/30.30.30.20, sent by the Cisco router of Site A), routing…
Laurent Nominé
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Will entries in hosts file on my SBS2008 box allow email to be delivered to other SBS2008 boxes over VPN

I wonder if someone can assist in solving a problem I am experiencing. Our organisation has 13 offices around the country with an MS SBS2008 box in each office. Each office has its own email domain name and public DNS has been configured to deliver…
Lee
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Extent LAN over internet

I have the following scenario. A computer is connected to private network. I do NOT have access to modify anything on this private network. I am just supplied with a network cable. The computer running on the network has an IP 172.20.20.15, and on…
Adnan
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OpenVPN tunnel routing issues

Please excuse my inexperience. I managed to setup a vpn connection between a single client and server. Currently I am testing this in VM's which are running Server 2008 R2 (temporary since I have install disks handy). Each VM is in a remote location…