block domain verisign.com
block port 5938 9997
block ip
216.108.224.222
80.237.220.185
85.214.154.223
80.237.157.95
85.25.143.69
block range
85.214.78.0-85.214.78.254
77.41.13.0-77.41.13.254
217.23.49.0-217.23.49.24
87.230.74.0-87.230.74.24
87.230.73.0-87.230.73.24
89.185.96.0-89.185.96.254
91.121.4.0-91.121.4.254
91.121.28.0-91.121.28.254
93.186.48.0-93.186.48.254
178.75.246.0-178.75.246.254
178.77.120.0-178.77.120.254
85.25.147.0-85.25.147.254
62.75.215.0-62.75.215.254
62.75.246.0-62.75.246.254
69.64.74.0-69.64.74.254
89.189.96.0-89.189.96.245
read
http://habrahabr.ru/post/133740/