Thursday, April 4, 2013

What are my options to send data securely from a vb.net application to a Linux server?

Q. It's an Ubuntu Linux server with Apache 2.2. What are my choices for sending secure SQL queries AND secure information (separate from the queries) to the server? (The server is also running MySQL and PHP, and I am very comfortable programming in both). Thanks!

A. HTTP over SSL with authentication, I presume - either using a client certificate, or a password scheme like authentication/basic . You can wrap most tcp/ip applications in SSL, so you could make direct SQL connections in principle, if MySQL is listening on the network and is suitably secured with passwords. I know that's possible in Linux, but I'm not sure what one can do in vb.net.

How to install a proxy server on a Linux server and use it from my Windows computer?
Q. My Linux server is in the USA. I'm in Canada. I want to use my Linux server as a proxy to be "detected" as coming from the USA when I surf the web. Thank you for your help!
It would be nice to have a step-by-step how-to.

A. A very easy and non-permanent way to do this can be done using ssh. You could use cron to automate this so that it is always on, or on at certain times.

Check out this website for a very clear tutorial on how to do this.
http://embraceubuntu.com/2006/12/08/ssh-tunnel-socks-proxy-forwarding-secure-browsing/

What is the best online place to buy Linux server, and what the best server brand?
Q. I am Looking to buy Linux server online to be shipped to colocation in Atlanta, I need recommendation for the best company to by online.

A. a "linux server" is nothing more than an IBM compatible PC with Linux running as it's operating system.
Linux nowadays has drivers for most common hardware on the market, so as long as you stick with industry standard components (ASUS or INTEL motherboards, 3-com or d-link Ethernet, ATI or Matrox video, Creative labs sound card....you get the idea) You'll be fine. I just suggest you purchase the systems from a store that will pre-load the linux onto the units to your specifications so that if there are any issues, they can be solved before the unit is shipped.



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