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Re: ctrl-c doesn't reliably kill ping
- From: cyg Simple <cygsimple at gmail dot com>
- To: cygwin at cygwin dot com
- Date: Wed, 16 Mar 2016 10:46:44 -0400
- Subject: Re: ctrl-c doesn't reliably kill ping
- Authentication-results: sourceware.org; auth=none
- 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>
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 18.104.22.168).
>> 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.
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