[RndTbl] strange IMAP / G3 problem

Trevor Cordes trevor at tecnopolis.ca
Mon Mar 7 16:39:21 CST 2016


On 2016-03-07 John Lange wrote:
> I don't have an answer but part of your premise confuses me. You
> said: "He can connect via ... in-home wifi over vpn to office, and
> shaw open wifi outside". if he can connect on public wifi (Shaw), why
> does he need a VPN to connect from home? And why did you mention Shaw
> public wifi specifically? Why not all public wifi?

Ya, I could have worded that better.  I was just listing our actual
test scenarios.

He'd (most likely) be able to connect with all public wifi.  He's only
tested shaw's free wifi so far.

The original server in question he's trying to connect to is his home
server.  He has a permanent VPN connecting home server to office server
(and lan to lan).  That's what the "vpn to..." was about.  So whether
he's at home or office (wired or wifi) he can connect to any computer
on either lan as though he was local.

> where a valid certificates name does not match the domain name. I've
> commonly seen this in situations where a phone connects to an
> internal Wifi and the phone does a DNS lookup for an external name,

Ya, I've seen the same thing, but newer iOS makes it easier to connect
to self-signed.  (Android makes it dead easy.)  But in the last test I
outlined just prior to this email we eliminated the cert as the culprit.

> One solution is to manually install the certificate on the iPhone.

Ya, he had done that anyway.  (Our fun problem after that was how to
get rid of it!  Apparently you have to reset your whole iphone to do
that!  But it's not relevant to the real-cert test scenario.)


If someone has a 4S and wants to help us out I can email you some quick
test creds and server info if you want to see if you can connect.  It
would at least tell us if Brad's 4S has been compromised or is dying
or something.

Thanks guys!


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