ISP port blocking practice

Dobbins, Roland rdobbins at arbor.net
Fri Sep 3 16:07:49 CDT 2010


On Sep 3, 2010, at 8:02 PM, Patrick W. Gilmore wrote:

> Could you point to more than one instance?  I've not yet found one.


I've yet to run across this, either, FWIW, except on extremely restrictive special-purpose endpoint networks.  Doesn't mean that it doesn't happen, but it doesn't seem to be nearly as prevalent as TCP/25 blockage on general SP access networks.

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Roland Dobbins <rdobbins at arbor.net> // <http://www.arbornetworks.com>

 	       Sell your computer and buy a guitar.








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