Help with VPN

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JohnnyQ

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I need to setup a vpn between two offices for a client. Both offices have adsl, the one office has an old (the first types) adsl modem and the other office has a Mega 100.

Any hints would be appreciated.
 
For offices i would recommend using two machines either side to act as a vpn sever/firewall.
We currently run Linux servers either side using openvpn to act as a firewall and vpn server/client. So the office net goes into a switch, to which the firewall/vpn server is connected, and the adsl modem sits behind the firewall (firewall must have two network cards). This is cool since you can add redundancy later (we use HSDPA when the adsl line goes down), since the vpn/firewall stays the same. I don't know what your requirements are, but for us inter-office links are business critical. The investment in two machines is worth it. They can even be old pentium 2 class machines.

Openvpn is very secure and rock solid (openvpn.net). We use it to connect to some UK clients. You could replace Linux with windows, since openvpn supports windows, but I would not recommend it :-)
 
Nuro said:
For offices i would recommend using two machines either side to act as a vpn sever/firewall.
We currently run Linux servers either side using openvpn to act as a firewall and vpn server/client. So the office net goes into a switch, to which the firewall/vpn server is connected, and the adsl modem sits behind the firewall (firewall must have two network cards). This is cool since you can add redundancy later (we use HSDPA when the adsl line goes down), since the vpn/firewall stays the same. I don't know what your requirements are, but for us inter-office links are business critical. The investment in two machines is worth it. They can even be old pentium 2 class machines.

Openvpn is very secure and rock solid (openvpn.net). We use it to connect to some UK clients. You could replace Linux with windows, since openvpn supports windows, but I would not recommend it :-)
Click to expand...

Does it have to be loaded on a server? Have a 4 PC office environment networked (no server). 2 of the Agents want to be able to connect to their workstations from home.

Can I still use OpenVPN?
 
Yes. Once they are connect they can use remote desktop to get onto their workstation
 
Hamachi, could work for you. 1 it's free:D 2 it's a cinch to set up. And did I mention it was free?
OpenVPN is very good, but if you don't have or want to put another box on the network, then Hamachi is the way to go.
 
RVFmal said:
Does it have to be loaded on a server? Have a 4 PC office environment networked (no server). 2 of the Agents want to be able to connect to their workstations from home.

Can I still use OpenVPN?
Click to expand...

I would have to agree with Hamachi. What I suggested might be overkill for a 4 pc office environment. OpenVpn would still work fine though.
 
Nuro said:
For offices i would recommend using two machines either side to act as a vpn sever/firewall.
We currently run Linux servers either side using openvpn to act as a firewall and vpn server/client. So the office net goes into a switch, to which the firewall/vpn server is connected, and the adsl modem sits behind the firewall (firewall must have two network cards). This is cool since you can add redundancy later (we use HSDPA when the adsl line goes down), since the vpn/firewall stays the same. I don't know what your requirements are, but for us inter-office links are business critical. The investment in two machines is worth it. They can even be old pentium 2 class machines.

Openvpn is very secure and rock solid (openvpn.net). We use it to connect to some UK clients. You could replace Linux with windows, since openvpn supports windows, but I would not recommend it :-)
Click to expand...


Are you using static IP on your ADSL and HSDPA connections?
 
No static ip's, just two normal adsl connections, one using the "mega 100", and the other using a "SMC7904WBRA2 EU". I got Hamachi going, but i need something more stable.
 
I just setup a VPN between my dads office server and a PC at home using OpenVPN, seems to be working perfectly and it took me less than an hour to setup, excludeing driving there and back.
 
BrianB said:
I just setup a VPN between my dads office server and a PC at home using OpenVPN, seems to be working perfectly and it took me less than an hour to setup, excludeing driving there and back.
Click to expand...

How are you handling the dynamic IP's?
Are you using a dnydns type service for them?
 
I would recomend VPN routers each side, they handle the DynDns as well as the VPN. There are allot of ADSL modem/VPN router combinations out there. I currently use a Netgear FVX538 VPN router at our head office connecting to our branches, all I can say is SUPER STABLE.
 
Hamachi! All the way! :D Give it a shot. You will be amazed how easy it is to setup, and very stable to use as well.

Its rather secure as well using a type of 512-bit encryption or something...
 
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