Either what you said, or installing drop rules on routers to drop traffic to any of Twitter's IP addresses. http://www.cisco.com/c/en/us/support/docs/ip/access

Either what you said, or installing drop rules on routers to drop traffic to any of Twitter's IP addresses. http://www.cisco.com/c/en/us/support/docs/ip/access-lists/26448-ACLsamples.html#denyftp http://www.cisco.com/c/en/us/support/docs/ip/access-lists/26...