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dhender07 asked on

creating four seperate offices around globe.

VaryNet Inc. wants to create four seperat offices around the globe. They want to be able to connect these offices over the internet and make each network available to the other . They want the routing information of all four tobe available to each site, so that any emploee can go to any site. The worry is about passing traffic over the internet.  What is the best Networking suggestion to obtain this goal with security?
Networking Hardware-OtherNetwork Architecture

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alaf22

8/22/2022 - Mon
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tfowles

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alaf22

Any decent UTM firewall devices (Sonicwall, Fortigate etc) can do the job for you to create site-to-site VPN. But if you are on a tight budget, there are open source solution available which can do the trick as well. Monowall (m0n0.ch), openvpn, untangle (untangle.com) can give you further 'free' option.

Tell us what potential VPN device that you are considering and I'm sure there are a lot of people in this site that has experience in setting up site-to-site VPN. I myself have experience with checkpoint, fortigate and sonicwall.
alaf22

VaryNet Inc... hmmm, why did I smell that it sounds like a coursework assignment :)
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dhender07

only a comment no solution
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James Murphy
alaf22

I believe the solutionhas already been given: use VPN to create a secure network between sites over public internet network. The detailed site-to-site vpn implementation will vary depending what infrastructure you are going to have. However the principles that underline each implementation are the same as they will usually the same common standards defined for VPN architecture.

Unless you have specific hardware/equipments that you already have or plan to have, it will be a lenghty description of what possible configuration (if it is what you mean by 'solution'). I'm sure you know what is vpn is and in case not, ou can have a lot of guides on vpn technology and how it can be used to securely connect multiple sites over public network. These example are some introductory article on the subject:

http://computer.howstuffworks.com/vpn.htm
http://www.vpntools.com/vpntools_articles/network-vpn.htm
http://www.ntsecurity.net/article/articleid/94647/creating-a-site-to-site-vpn-connection-from-a-branch-office-to-the-corporate-datacenter.html

If you want a write up on possible vpn onfiguration by specific vendor here are some links:
http://doc.m0n0.ch/handbook/examplevpn.html
http://www.cisco.com/univercd/cc/td/doc/product/iaabu/pix/pix_62/config/sit2site.htm
http://www.ciscoblog.com/VPN/Creating%20Site-to-Site%20VPNs.pdf
http://technet.microsoft.com/en-us/network/bb545442.aspx

The list are not exhaustive and I believe different vendor will have their own guide on how to create the site-to-site vpn using their solution.