On Wed, May 23, 2012 9:25 am, Denny Esterline wrote:
> They'd be returning them.
> Cellular is definitely an acceptable alternative. Again, it's not a
> landscape I'm familiar with - what options are there in that arena?

The real issue is security.  There is a telnet demo in the Microchip
Ethernet stack- but telnet is really just opening up a raw TCP socket on
the well-known telnet port.  This allows you to transfer data 2 ways- but
the data is completely unencrypted, out in the open, with essentially
trivial authentication and the password in plaintext. With telnet, you
would be able to easily access the device, but *SO WOULD ANYONE ELSE WITH
AN INTERNET CONNECTION*

It is virtually universal for firewalls to block incoming requests on the
telnet port (by default).

If you want a moderate level of protection/authentication and wide
accessibility, consider running your interface over SSL over http.

Matt Bennett
Just outside of Austin, TX
30.51,-97.91

The views I express are my own, not that of my employer, a large
multinational corporation that you are familiar with.
--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.