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Old 11-01-2004, 01:02 PM   #1
Gates1026
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Advice for a Dial in Linux server


I am starting to do a little project for a small business that requires the use of a very secure way to transfer files back and forth across 2 computers on the road. What I have come up with for a solution is some sort of a dial in linux server that transfers the files back and forth over putty on the windows side. The linux server that users will dial in to will reside in an office that people on the road can dial up to and transfer the files back and forth.

Is this something that can be done relatively cheaply? I am really good with linux and just need some advice and pointed in the right direction. I have read a little documentation on ppp but have found no real solid tutorials on building a dial in RAS server. It doesnt need to be fancy at all, just get th job done.

Also what kinds of modems work best for a task like this? A regular pci internal modem or something more like a seriel modem?

Any advice or help you could give me would be very greatly appreciated!!
 
Old 11-01-2004, 03:23 PM   #2
Lleb_KCir
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would it not be simpler just to configure a IPCop system and enable VPN... then ppl could just use VPN with all the higher level security of IPSec, then still use sFTP to move data back and forth.

for those that will be using windows boxes to talk to a linux box they can use winSCP a free GUI based sFTP program that works very much like cuteFTP and is extreemly intuitive to anyone who has used a drag and drop GUI before.
 
Old 11-01-2004, 04:26 PM   #3
Gates1026
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I thought about setting up a VPN, but the users will not always have access to braodband ethernet. They should always be able to find a dial up connection. Also, there is less of a chance for someone else being able to intercept the info when it is a standalone dialup server not connected to the internet.
 
Old 11-01-2004, 06:55 PM   #4
Lleb_KCir
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Quote:
Originally posted by Gates1026
I thought about setting up a VPN, but the users will not always have access to braodband ethernet. They should always be able to find a dial up connection. Also, there is less of a chance for someone else being able to intercept the info when it is a standalone dialup server not connected to the internet.
56k is 56k it does not matter how it connects it is going to be slow.

as for security a VPN is as secure as you can get short of being directly on the server with the data.

if you are bent on sticking with a RAS situation, then when your EU are on higher speed connections they will be limited to 56k as they will be connected via a modem. also a lot of newer systems including laptops do not have 56k modems any longer. i know the last 15 systems i have built have been without any modem at all. all have come with 10/100 NICs min, and several with 10/100/1000 NICs onboard.

in fact i have not sold a system in the last 4 years with a 56k modem installed.

so that is something else to think about. what you might consider is a combination of both, and offer an 800 (toll free) number to those that connect to your RAS. this will enable them to connect with a higher rate if they have it available, but also alow for a toll free slower connection as a backup. you can also set up your RAS to work like a low end ISP for them too.

so if your EU is in the field and in need of accessing the web for what ever reason they can connect to your RAS and reach the net for free over your 800#. the last big contract i worked was setup like that. they had both. VPNs for the majority of the ppl who worked from home, and an 800# RAS (also offered a local ph# to save on cost) for those without VPN access. this worked well, but those that used the RAS were always upset with the speeds due to it being 56k.
 
  


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