Breaking the internet (hotels, guestnet style)
owen at delong.com
Wed Dec 9 14:23:40 CST 2009
On Dec 9, 2009, at 10:41 AM, Stephen Sprunk wrote:
> Jens Link wrote:
>> Owen DeLong <owen at delong.com> writes:
>>> I expect my connections to my mail server to actually reach my
>>> mail server. I use TLS and SMTP AUTH as well as IMAP/SSL. Many
>>> of the "just works" settings in question break these things badly.
>> One of my customers has an appliance for his WLAN guest access access
>> which filters out AAAA records. :-(
>> jens at bowmore:~$ dig AAAA www.quux.de @188.8.131.52 +short
>> jens at bowmore:~$
> That, unfortunately, is not uncommon. Actually, it's one of the
> broken systems I've seen, since IPv4 presumably keeps working.
> One major vendor of hotel guestnet equipment returns an A record for
> 0.0.0.1 if you do an ANY or AAAA query for any hostname--even ones
> don't exist. At least with WinXP, you have to disable IPv6 just to
> IPv4 to work! Worse, their tech support sees nothing wrong with this;
> if you disagree, all they'll do is offer a refund. Unfortunately,
> your money elsewhere" doesn't work when you've already paid for the
> hotel room--and they know it.
I've actually extracted significant rebates from Hotels where their
was provably broken, and, their third-party provider would not resolve
the issue. More than just a refund of the IP fees. In one case, 1/2 the
cost of my multi-night stay.
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