Test common TCP/UDP ports
20(Data), 21(Control)
20(Control), 21(Data)
24(Data), 25(Control)
24(Data), 25(Control)
32
24
53
69
25
91
61
53
23
20
554
53
110
68
80
31(Client),40(Server)
20(Server), 21(Client)
20(Client), 21(Server)
67(Server), 68(Client)
67(Client), 68(Server)
80
86
69
96
39
57
80
93
21
110
119
57
98
110
36
116
161
611
916
614
554
655
110
443
332
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