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[ NNSquad ] Re: "How to Patrol Your ISP"


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Lauren Weinstein wrote:
> First, we need some writeups describing specific tests and
> parameters that users can employ, making use of various currently
> available open source tools, to begin measuring aspects of their
> ISPs' performance.  Until more automated, purpose-built packages are
> developed, this could still start bringing in some useful data.

I would like to contribute on the aspect of transparent-caching and other transparent redirections:

http://archiver.mailfighter.net/nmap-dev/2007/Sep-Oct-Nov-Dec/0079.html

Excerpt:

[...] These days I've been having a big fight with my ISP, Fibertel, because they're limiting rate
according to port, (but not the number of connections, heh, so I can use axel or any other
parallel-downloading utility and obtain 364kb/s). I can download/browse the internet at 26kb/s.

In all my calls to the customer care department, they always denied having any kind of limitation or
proxy. I know for certain that have have a NetCache appliance (for more details, check out
http://blog.buanzo.com.ar, those tests are not nmap/qscan related).

Today, I finally decided to use qscan [...]

- --
Arturo "Buanzo" Busleiman - Consultor Independiente en Seguridad Informatica
Apoye la Musica Libre - Vote Futurabanda desde: (ver sgte. linea)
http://www.frecuenciazero.com.ar/realityrock/votar.htm
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