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Old 08-05-2017, 04:05 PM   #6
chaley
Grand Sorcerer
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Posts: 12,447
Karma: 8012886
Join Date: Jan 2010
Location: Notts, England
Device: Kobo Libra 2
Quote:
Originally Posted by taratears View Post
I tried to do this, but it refuses to connect. It just tells me it can't find Calibre. Works fine if my wireless is on. I'm on a Win10 laptop, Calibre version 3.60, Android version 6.0.1.
If you turn off WiFi then your device is no longer connected to your local network, but is instead connected to the Internet via your data provider. Normally, for excellent security reasons computers on the internet can't see computers on your home net (one exception can be IPV6). For connections to work you must do *something* to allow connections from the internet to your library on your home net.

@Rattor solved this problem by setting up a VPN that connected his device to his home network. This works well but usually requires advanced technical knowledge to set up.

@d2produce solved this problem by opening his local network to the internet. His approach is rather quick-and-dirty and suffers from some structural and security problems, but it can work.

Others, including me, solved the problem by running a content server on internet-connected computer.

Many others, also included me, solved the problem by using CC's cloud connection, syncing our book libraries to Dropbox or equivalent.

The point here is that unless you do something special, CC will not be able to see your library on your local (home) network from the internet. What you do is up to you, based on your technical knowledge and your risk tolerance. Cloud connections are reasonably secure and are easy to set up. Content server connections from the internet can be a difficult and can be insecure. Wireless device connections from the internet are the hardest to set up.
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