Goal (sport) the ball can be kicked either under the crossbar for a goal, or over the crossbar between the posts for a point. The vertical supports are usually called "goal posts" and the horizontal top is usually called the "crossbar". A goal in these games normally requires that the ball or puck be sent between the posts, under the crossbar and completely behind the goal line. In Australian rules football, there is no crossbar but four uprights instead. In netball, a single post at each end of the court supports a horizontal hoop that the ball must fall through. In basketball,
Denial-of-service attack to as "degradation-of-service" rather than "denial-of-service", can be more difficult to detect than regular zombie invasions and can disrupt and hamper connection to websites for prolonged periods of time, potentially causing more disruption than concentrated floods. Exposure of degradation-of-service attacks is complicated further by the matter of discerning whether the server is really being attacked or under normal traffic loads. The goal of DoS L2 (possibly DDoS) attack is to cause a launching of a defense mechanism which blocks the network segment from which the attack originated. In case of distributed attack or IP header modification (that depends on the