[Dshield] Re: [Full-Disclosure] Port Blocking

Henric Lindblad henric at alternera.se
Fri Jun 27 18:19:07 GMT 2003

How about one of the big "user run" services?
The several thousand Computer games that use different ports to run hosted

Apart from HTTP, FTP, SMTP and P2P game servers is a big user of bandwidht.
(well of the services run by home users anyway...)
Most home users don't knowingly run any services...
and what they don't know only hurts other people. :-)

So i find it unlikely that any ISP with this policy would get any customers,
the gamers would start a riot...

This policy is more suited for the individual User or Company that know what
they will use, and what they don't want...

"Conquest is easy. Control is not."

----- Original Message ----- 
From: "Mrcorp" <mrcorp at yahoo.com>
To: "General DShield Discussion List" <list at dshield.org>
Sent: Friday, June 27, 2003 7:09 PM
Subject: Re: [Dshield] Re: [Full-Disclosure] Port Blocking

> I have been known for instigating, so here it goes...
> What happened to the golden security rule of "Deny everything, except what
is truley needed."  I
> mean most ISP's User Agreements state that you are not allowed to run web
servers, email servers
> and etc.  Therefore, only port a few ports ike TCP 80, 445 and perhaps one
or two more are really
> needed.
> The second thought is, what if ISPs were like cable companies.  What if
they only allowed specific
> ports (like channels) that they seem appropriate to their users???
> Mrcorp
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