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Advice on using wifi connection in Hotel with our iPhone

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Last Modified: 2017-04-21
We noticed in a hotel we stood at that, the iPhone wifi setting after connecting to the hotels wifi has a warning of "Security  Recommendation" (see below).  

iPhone wifi
It seems it's a open network since when connecting there is no password, but a web page asking for last name and room number.

That all said, how secure are these hotel connection?

When login thru their web page, does it sets up a secure connection or is it still open, insecure?

Finally, wen connecting, we didn't use the hotels wifi to connect to our banks or other sensitive connection, just to search the city's location.  But what happens when our emails that are being download automatically in our iPhone, are they unprotected also?
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RaminTechnical Advisor
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fred hakimRetired IT
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Dr. KlahnPrincipal Software Engineer
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Let's if we got it:

- even though in, open network (as the on we point to in this question), if the our browser connected to its destination using SSL (https://), that the connection is secured?

- also, if we have various emails account in our iPhone, the only emails with using SSL in their setup, the email received/sent is secured?
Dr. KlahnPrincipal Software Engineer
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RaminTechnical Advisor
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Retired IT
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In the above "VPN encrypts all data from your computer/device to/from the network, on to the Internet and up to the VPN server.  But once it leaves the VPN server to reach the bank website, that level of encryption is removed and the data reverts again to its previous state.",

 
- based in the above, VPN only is secured if used from both point origin and destination? (Not only from VPN server to origin, that is, from our only from our PC and the VPN)

Also in "The wifi protection keeps anyone outside the home or hotel network from seeing your data...",

- if a malicious person is also a WPA2 wifi, they can see everything being transmitted?

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Couldn't edit our last entry, so this is continual of it:

Just to make sure, our emails which download periodically in our iPhone, are not protected when in a Hotel wifi (WP2 or Open)?  

And if so much concern of our emails while in a hotel or in a wifi hotspot, then the best thing to do is disable the emails within the iPhone while in the hotel?
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Natty GregIn Theory (IT)
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The same thing happen to my iPhone at Walmart the reason being is that there is no network security setup at all on those public facing platform --- thank goodness your iPhone is warning you of that and that there could be people ease dropping on your online presents. Because i use VPN when I;m on public WiFi I ignore the warning but if you do not subscribe to a VPN service I would advice against connecting to any free WiFi without security.

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Yes, but as websites here, using VPN services has to be at both points; that is, if we use VPN from our pint in Sears to the VPN sever, that is secure. But from the VPN server to the destination address, that thread of highway traffic is not secure.  

For instance, from sears open free wifi we want to connect to Empire State Building (http://www.esbnyc.com/).  Our connection from sears to VPN sever is secured, but from VPN sever to Empire State Building site, there is no security.

Are we correct?
(Please advice if not)
Natty GregIn Theory (IT)
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You mean that in order for the attacker to successfully access our info, he/she MUST know the actual VPN server we are using and also know the IP address THAT server is using to get to the destination address we are connected to?
Natty GregIn Theory (IT)
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Thanx!
VPN would add an encryption layer on top of that.  VPN encrypts all the data exchanged from your phone hiding it from anyone with access to the hotel wifi network and any other network traversed on the way to the VPN server.  Since your eMail or banking https data was already encrypted, VPN doubly encrypts it.
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