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Could comcast be blocking port 6667 outbound?

On Thu, 1 Sep 2005, Jerry Feldman wrote:

> I seriously doubt that Comcast is blocking any outbound port. It would be
> more believable if they were to block those inbound ports especially if you
> were running an IRC server.
> One way to check is to take one of the systems, bypass the router, and test
> the port. That may leave that system vulnerable for a short time.

I tried that with my laptop, and it did let me connect, but that may not 
prove anything since it has a different MAC address from the router, so 
Comcast gave it a different IP address.  It is possible that the router is 
doing the blocking, but I can't understand why it would suddenly decide to 
start blocking the port even after I power-cycled it.

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