Re: Has anyone asked Comcast to stop blocking inbound ports?

["Gregory Boyce-3" <user=138@nabble.blu.org>]

 On Fri, 21 Dec 2007, Kristian Erik Hermansen wrote: 

> On Dec 21, 2007 3:40 PM, David Hummel <[hidden email]> wrote: 
>> nmap results for boston (longwood medical area)... 
> 
> I hope you realize that you must have instances of those services 
> listening in order to detect filtering :-)  I'm sure you already knew 
> that though and just point it out for everyone else... 

No you don't. 

22/tcp  open     ssh 
23/tcp  closed   telnet 
139/tcp filtered netbios-ssn 

Open is obvious. 
Closed means no filtering but nothing listening. 
Filtered means filtered. 

Now you do need to make sure that YOUR system isn't filtering the port. 

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