another brick in the wall[ed garden]

Robert E. Seastrom rs at seastrom.com
Thu May 14 14:37:16 CDT 2009


Can you be more specific?  My TCP/465 and TCP/587 mail submission
works great over Sprint.  I'm not even trying to do submission on port
25 (in fact, my mail servers send rude messages if you try AUTH to a
port 25 listener) so I can't speak to that.

-r

Owen DeLong <owen at delong.com> writes:

> While you're at it, it would be nice if SPRINT also fixed the problems
> with ports TCP/25 and TCP/587.
>
> Another disgruntled SPRINT customer,
>
> Owen
>
> On May 14, 2009, at 10:48 AM, Robert E. Seastrom wrote:
>
>>
>> Dear Sprint EVDO people,
>>
>> Your man-in-the-middle hijacking of UDP/53 DNS queries against
>> nameservers that I choose to query from my laptop on Sprint EVDO is
>> not appreciated.  Even less appreciated is your complete blocking of
>> TCP/53 DNS queries.
>>
>> Queries from my lab:
>>
>>   rs at click [14] %	dig +short @192.148.252.10 version.bind. chaos txt
>>   "Just send your damn query already..."
>>   rs at click [15] %	dig +tcp +short @192.148.252.10 version.bind.
>> chaos txt
>>   "Just send your damn query already..."
>>   rs at click [16] %	dig +tcp +short @192.148.252.10 hostname.bind.
>> chaos txt
>>   "bifrost"
>>   rs at click [17] %	
>>
>> Queries from my laptop:
>>
>>   Superfly:~ rs$ dig +short @192.148.252.10 version.bind. chaos txt
>>   "9.6.0-P1"
>>   Superfly:~ rs$ dig +tcp +short @192.148.252.10 version.bind. chaos
>> txt
>>   ;; connection timed out; no servers could be reached
>>   Superfly:~ rs$ dig +tcp +short @192.148.252.10 hostname.bind.
>> chaos txt
>>   "ns1-kscymar06.spcsdns.net"
>>   Superfly:~ rs$
>>
>> Guys, I send you money each month to deliver packets for me, not to
>> invent new ways of being annoying (and breaking TSIG signed updates to
>> dynamic DNS).  Less is more.  Please stop dinking with 10-minute-idle
>> TCP sessions (which I complained about a year and a half ago) and
>> knock it off with offering DNS service that I did not ask for.
>>
>> Sincerely,
>>
>> Your Disgruntled Customer, RS
>>
>> PS:  No, I don't expect that this open letter will get you to fix the
>> misbehavior, but if some Swedish guy comes along swinging a clue-bat
>> at you guys I hope he whacks you a couple of times for me.
>>




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