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

Paul B wes902 at gmail.com
Fri Mar 4 12:41:57 AST 2011

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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> nSLUG at nslug.ns.ca
> http://nslug.ns.ca/mailman/listinfo/nslug
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