DNS filtering is also the solution that is the easiest to go around... :-) Either chose a foreign DNS, or chose to fully resolve the names by yourself...
But I'm sure this is the easiest and cheapest way to proceed.
2009/2/17 Xaver Aerni xaerni@pop.ch
When the ISP block it only by DNS Filtering??? I think to block 1 side is a DNS Filtering the easyest and fastest way. Greetings Xaver