限速∶
　　Access-list 130 remark BT
　　access-list 130 permit tcp any any range 6881 6890
　　access-list 130 permit tcp any range 6881 6890 any
　　
　　rate-limit input access-group 130 712000 8000 8000 conform-action transmit exceed-action drop
　　rate-limit output access-group 130 712000 8000 8000 conform-action transmit exceed-action drop
　　
　　禁止∶
　　access-list 130 deny tcp any any range 6881 6890 access-list 130 deny tcp any range 6881 6890 any
　　
　　ip access-group 130 in / out
　　不过有的bt软件，再封锁后会自动改端口