[nSLUG] [OFF-TOPIC] EastLink doing DPI/Blocking traffic?

Eri Ramos Bastos bastos.eri at gmail.com
Fri Mar 4 15:14:04 AST 2011


Well, we called EastLink (part of our BGP connection uses their
infra-structure) and after 45 minutes on the phone trying to explain
the issue my colleague just gave up.

Thanks for the AUP link.

Regards,
Eri Ramos Bastos

On Fri, Mar 4, 2011 at 12:41 PM, Paul B <wes902 at gmail.com> wrote:
> Eastlink has been doing it for a while. Their AUP mentions it
> at http://www.eastlink.ca/about/legal/aup.asp under "Internet Traffic
> Management Policies (ITMP)"
> If your clients reside on the residential service they could of been
> subjected to a rule/flow setting triggered by the DPI. It's probably not
> malicious intent but triggered via the "non-standard ports and home-grown
> encryption" that might of triggered the DPI looking like malicious traffic.
> Call up Eastlink and talk to a rep to at-least report the issue in case it
> happens again.
>
> On Fri, Mar 4, 2011 at 11:34 AM, Eri Ramos Bastos <bastos.eri at gmail.com>
> wrote:
>>
>> Hello, List.
>>
>> We just had an interesting situation here.
>>
>> My company provides SaaS for hundreds of customers on North America
>> and Caribbean regions and we use non-standard ports and home-grown
>> encryption methods.
>>
>> Today, out of of the blue, we had at least 4 different clients from
>> HRM calling saying they were unable to connect. After a long
>> troubleshoot we found that:
>>
>> 1- All those clients are using EastLink cable Internet
>> 2- Disabling encryption would allow the clients to connect (on the
>> same port they were unable to connect using encryption)
>>
>> The problem persisted for about 1 hour or so and just went away by itself.
>>
>> Is anyone aware if EastLink is doing deep package inspection now?
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>
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