Do you have any experience with common network port numbers? This quiz can help you to find out exactly what they are if you are not sure and test your knowledge if you are already well-versed with them. The most commonly used and best-known port numbers are those numbers of 0 to 123, which is committed to internet use, but they reach much higher for specialized purposes. This quiz will tell you all about standard network port numbers.
80
23
7
21
23
21
25
49
22
110
88
119
7
21
161
23
110
25
88
47
49
53
69
79
49
53
123
445
79
49
29
69
7
221
79
21
80
88
49
47
110
88
119
135
110
119
143
67
110
88
119
135
123
143
161
389
161-169
111-119
135-139
126-129
143
161
162
389
445
79
80
161
143
163
162
119
389
162
443
110
143
443
636
69
89
479
445
636
445
443
389
636
1433
1701
1720
1723
1600
1701
1723
1705
1723
389
1720
1812
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