Re: why does my app open ports to Amazon Web Services?
Re: why does my app open ports to Amazon Web Services?
- Subject: Re: why does my app open ports to Amazon Web Services?
- From: "David M. Cotter" <email@hidden>
- Date: Fri, 14 Jun 2013 19:04:16 -0700
okay, that explains that but why is the port left open and/or how do i force it to close?
note i'm not expert in HTTP protocols, could be i just forgot a "close" call?
On Jun 14, 2013, at 6:43 PM, Rick Mann <email@hidden> wrote:
> That appears to be a dropbox server.
>
> Amazon AWS is their cloud computing infrastructure. EC2 is the virtual server service. Dropbox evidently uses EC2 to host their services.
>
> On Jun 14, 2013, at 18:07 , David M. Cotter <email@hidden> wrote:
>
>> I realize this isn't directly xcode related but figure there are a lot of really smart people on this list too, please suggest a better list, as i'm not sure where to go:
>>
>> so my app can connect to a "Cloud" data bank and download all the cloud data, that's 10,000 or so files (for offline access).
>>
>> the app makes a few net-calls for each file (query for correct URL, query header, finally get the file)
>>
>> in testing, i kept getting errors about "too many open ports", so i went to Activity Monitor, clicked my app, clicked "inspect", then clicked "open files and ports"
>>
>> lo-and-behold:
>>
>> a zillion ports open to (and this is the mystery):
>>
>>> 192.x.x.x:49446->ec2-54-243-119-94.compute-1.amazonaws.com:https
>>
>> (192.x.x.x is my localhost)
>>
>> i'm like , "what?"
>>
>> my app doesn't contact amazon web services!??!
>>
>> so i did some sleuthing
>>
>> i turned OFF all cloud stuff, AND turned off automatic version check. so there is NO net activity on the app now.
>>
>> when i start it, there are NO ports open to aws
>> okay, good
>>
>> then i do "help->check for update", the app checks a file at dropbox (to see if there's an update), which is expected
>>
>> but THEN appears to open a port to AWS, and leaves it open!!
>>
>> for every "check for update" i do, another port is opened and left open.
>>
>> why, why, why?!?!
>>
>> Little Snitch found nothing related to AWS
>> turning on firewall blocking all incoming did nothing
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>
> --
> Rick
>
>
>
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