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Subject: Re: ctrl-c doesn't reliably kill ping
To: cygwin AT cygwin DOT com
References: <56E6F25A DOT 7070000 AT gmx DOT de> <56E75B3E DOT 7020102 AT farance DOT com> <54382838 DOT 20160315140038 AT yandex DOT ru> <20160315114317 DOT GI29016 AT dinwoodie DOT org>
From: cyg Simple <cygsimple AT gmail DOT com>
Message-ID: <56E971D4.7050902@gmail.com>
Date: Wed, 16 Mar 2016 10:46:44 -0400
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On 3/15/2016 7:43 AM, Adam Dinwoodie wrote:
> On Tue, Mar 15, 2016 at 02:00:38PM +0300, Andrey Repin wrote:
>> Greetings, Frank Farance!
>>
>>> A little digression, so you understand the background ... The workstation I am
>>> doing this from is connected to a Verizon router to their FIOS network.  Now the
>>> reason I mention this is that the router's DNS (via DHCP to my workstation) is
>>> 192.168.1.1, which I presume is forwarded from the router upstream to Verizon's
>>> DNS caches.  So if I type the URL http://something.that.doesnt.exist in my 
>>> browser, rather than getting a Hostname Not Found error (at the name resolution
>>> level), it actually loads up a page saying "something.that.doesnt.exist" isn't
>>> found and then I have a Yahoo set of search results on things matching the 
>>> broken hostname.
>>
>>> So all of this is normal ISP stuff: they actually resolve unknown addresses to
>>> their own website (which is 90.242.140.21).
>>
>> This is NOT "normal", this is a violation of protocol.
>> Whoever encounter such behavior should call their ISP and tell them to stop
>> doing it.
> 
> It's both normal and a violation of protocol -- a lot of DNS servers,
> will replace an NXDOMAIN response will "hijack" the query and return
> something that punts the user onto a search page with advertising.
> 

This should probably be moved to cygwin-talk but ...

If a violation becomes normal then it is no longer a violation but an
accepted practiced exception.  Unless a rule is enforced the accepted
practiced exception becomes the rule.

-- 
cyg Simple

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