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I understand this may not be Kerio's issue per se, but was hoping for feedback from other if they noticed this, also hoping that if confirmed, Kerio might help push this.

I was updating Kerio Connect and noticed in the "Active Connections" screen of the Admin interface that all IPhones in use were connected via a wireless IP and not from wifi IPs. That is to say, I was at home and knew my IPhone was connected to my home wifi network, but Kerio Connect showed it as only connected via the cell network. When I put my phone into airplane mode with wifi enabled, then the kerio connect connection switch to my home IP address. I confirmed this to be the case with my other Iphone users.

In otherwords, when given the choice between active WiFi and the cell network, the phone by default chooses the cell network. Given tight data plans this could be an expensive bug. Does anyone else see this?


Iphone: 4S, iOS 6 with AT&T
KC: On Win XP Pro SP3, 7.4.3 and 7.4.1


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I just tried this on my iPhone and our Kerio server, it shows iPhone connecting via wifi IP.

iPhone 4S, iOS 6, AT&T
KC on Mac OS X Server 10.7, version 7.4.1

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If an Idevice is in standby (screen off) it turns off the WiFi ... so it stays in touch with KC over the cellular connection. Same for me here with all IPhones and IPads.

However, if you download mails, attachments etc. it'll use the WiFi.
Lucian Maly (Kerio)

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netmax is exactly correct - packets are normally routed via WiFi, because the route will go in the direction of the gateway with the lowest metric (higher priority). If the phone is in stand by mode, Exchange ActiveSync heartbeat (ICMP ping) must still be presented and thus it is routed via GSM network and visible in "Active Connections" as coming from GSM IP address.

Kerio Technologies AU Pty Ltd.

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This isn't when the phone is in standby.

For example I just grabbed my Iphone, and checked my email every 5 seconds for 5 minutes. While at the same time I watched the active connections in the server admin. My phone is connected to my internal wireless (internal IP 192.*.*.* or external IP 72.X.X.X). My phone was listed in the KC Admin Active Connections panel as having IP 198.X.X.X throughout. I understand when the phone is in standby or just 'waking up' it'll fall over to the GSM IP and shutoff wireless, but this seems to ALWAYS be on GSM.

Attached is a screenshot of my active connections. I have clipped out only the Iphones attached (2 of them) and have obscured some personal info. Note all IPs of phones are 198.*.*.*, this is the GSM IP. This was snapped during my test above, some my phone was actively, manually checking email for more than 5 min.


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Apple just released an update to iOS (6.0.1), and I know there have been documented issues where iPhones won't properly use wifi when available and stay on cellular, Verizon released a patch though I know AT&T users have complained also.

Try the update and see if it helps.

- Brian
Kerio Preferred Partner, Reseller & Hosting Provider
Unified Technology Solutions
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