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Dial Up network design

By emmaroslinda.edrus ·
Dear To all Tech republic,
I hope someone will help me on this type of problem:

If i have a very confidential data in text format only, to send to a HQ from multiple remote branch, What is the best possible solution that i should use in a dial up technology?

(1) Is it on dial on demand using only routers configuration in both places the remote and HQ? Using PSTN numbers?
(2) Using services provided by Telco's company such as Internet, ISDN only, and i just configure the end routers andthe path is being provided by the telcos.
(3) In a sense of least cost connectivity and maintenance which one is better for a long time aspect?
(4)In a security aspect, is it really secure if only we use a Cisco routers authentication using CHAP?(5) Is it really secure if we use the software encryption only plus the routers authentication to send the text format to a HQ?

Thank u very much.

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Dial Up network design

by jay In reply to Dial Up network design

For the best and less cost possible you can using dial on demand PSTN with ecryption technology.
You can use https for web, sftp for ftp or gnupg for email.

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Dial Up network design

by emmaroslinda.edrus In reply to Dial Up network design

Thanks for ur answer but still cant help me...What if i have 10-20 remote branches in different states of the country? And this remote branches have to send their confidential data everyday to 1 main HQ, Is dial using PSTN still cost effective when i have to use more routers to connect? and Y do u think so?

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Dial Up network design

by brian.clayton In reply to Dial Up network design

Have you considered an encrypted VPN?

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Dial Up network design

by emmaroslinda.edrus In reply to Dial Up network design

Thanks for ur help.. but what do u mean by encrypted VPN? please xplain further.. thanks..

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Dial Up network design

by Dennis Cooper, Raleigh In reply to Dial Up network design

The key words I noticed is dial up & least cost so my answer will lean in that direction.
You can install a dial up device at HQ. There are a number of models i.e. Shiva LanRover, Cisco (I don't remember the model), etc. When a client PC, over any analog line, at any location, calls the dial up device at HQ, the client PC is given an IP address (usually via PPP protocol) into the HQ network. Then it is a simple transfer of your text file.

Lets talk about security. Our LanRover model works like this....
level I: When you connect the client must have specific software installed before it will even ask for a user name & password.
Level II: user name & password protected.
Level III: VPN (Virtual Private Network). The client & HQ create a tunnel in which all data will be passed. External to the tunnel the data looks like garbage.
Level IV: You can even use SecureID for authentication. (This level gets expensive.)

Hope that helps.

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Dial Up network design

by emmaroslinda.edrus In reply to Dial Up network design

Thanks Dennis.. it's help me to decide

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Dial Up network design

by emmaroslinda.edrus In reply to Dial Up network design

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