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 5:18 PM, Gregory Boyce <[hidden email]> wrote: 
>> And how about UDP for the extra credit? ;) 
> 
> lol ... well, I think it is quite obvious that any response yields 
> OPEN and no response is FILTERED or CLOSED == you can't tell... 

Actually, udp is a weird one. 

"CLOSED" means that you received an ICMP destination port unreachable 
message. 

If you get no response its "OPEN|FILTERED" since not all udp applications 
send a response back to a UDP packet that was received. 

"OPEN" is a weird one that I think you get if you reach a UDP enabled 
application that responds to packets. 

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