[OT] Invalid host address

Bob Sneidar bobsneidar at iotecdigital.com
Tue Mar 3 19:02:37 EST 2015


Good point. I mentioned before that I have adopted the method of opening a socket to the host first, checking for errors, before actually trying to send any data. That might be something you want to implement. I put it at the start of a Database Reconnect handler I wrote just for this sort of thing. It has a repeat loop so that the end user can attempt to resolve the condition and then try again, or else cancel. If Cancel is selected, the handler quits the app. 

Bob S


> On Mar 2, 2015, at 17:58 , Mike Bonner <bonnmike at gmail.com> wrote:
> 
> The hosts file can be set up to provide specific name to ip address
> mappings.  99.9% of the time its not used, and if it is, its often a
> hijack. Along with the hijack thing, its also possible that a proxy has
> been set up unbeknownst to the user, and its munging something as it
> decides where they want to direct the user, rather than where the user
> actually wants to go.
> 
> Can you post some of the gibberish?
> 
> On Mon, Mar 2, 2015 at 6:53 PM, J. Landman Gay <jacque at hyperactivesw.com>
> wrote:
> 
>> Out of thousands of users, occasionally one can't connect and repeatedly
>> gets an invalid host address error. What causes those? All users are
>> sending to the same server at the same domain. Naturally they all say it's
>> only our app and never happens in a browser.
>> 
>> Everything I've found about it is mostly gibberish to me. Is this
>> something to do with the hosts file on the computer? The latest report says
>> it happens on different networks (home and school) so I assume it's
>> specific to his machine.
>> 
>> --
>> Jacqueline Landman Gay         |     jacque at hyperactivesw.com
>> HyperActive Software           |     http://www.hyperactivesw.com
>> 
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