[Freedombox-discuss] Can't get android phone to connect to radicale.

Daniel Gnoutcheff gnoutchd at softwarefreedom.org
Mon Feb 6 16:57:45 UTC 2017

On 02/04/2017 01:52 PM, A. F. Cano wrote:
> =================== Android log ====================
> EXCEPTION javax.net.ssl.SSLException: Connection closed by peer

This may be a sign that SSL certificate verification is failing.
Stuffing that message into DuckDuckGo found me a fellow who got the same
error message and eventually determined that his server's certificate
had an unsuitable commonName value:


If that's the case here, then we somehow need to teach this thing to
accept the cert or prepare a certificate that's more to its liking.

What certificate are we using on  What's the
commonName, and what's the signing CA?

> If I disable the android firewall I get this:
> =================== Android log ====================
> 2017-01-29 16:59:14 2 [HttpClient$1] <-- HTTP FAILED: java.net.ConnectException: Failed to connect to /
> 2017-01-29 16:59:14 2 [ui.setup.DavResourceFinder] PROPFIND/OPTIONS on user-given URL failed
> EXCEPTION java.net.ConnectException: Failed to connect to /

That indeed looks like a firewall block.  Based on this, I'd say that
fixing/disabling the firewall is necessary (but not sufficient) to get
this working.



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