According to a networking utility I’m using, all of the below are considered common ports. Avoid using them unless you must (e.g. 25, 80, 443).
1, 7, 20, 21, 22, 23, 25, 42, 43, 53, 69, 79, 80, 88, 106, 110, 111, 113, 115, 119, 123, 135, 137, 138, 139, 143, 161, 177, 194, 311, 379, 389, 427, 443, 445, 464, 465, 497, 514, 515, 532, 548, 554, 587, 600, 625, 631, 636, 660, 687, 749, 985, 993, 995, 1080, 1085, 1194, 1099, 1220, 1433, 1434, 1521, 1522, 1525, 1529, 1640, 1649, 1723, 1990, 1998, 2049, 2195, 2196, 2336, 3004, 3031, 3128, 3283, 3306, 3389, 3689, 4111, 4488, 5000, 5001, 5003, 5009, 5010, 5060, 5100, 5190, 5200, 5222, 5223, 5269, 5298, 5432, 5500, 5632, 5800, 5900, 5988, 6000, 7070, 7777, 8005, 8008, 8043, 8080, 8085, 8086, 8087, 8088, 8089, 8096, 8170, 8171, 8175, 8200, 8443, 8800, 8821, 8826, 8843, 8880, 8891, 9006, 9100, 10000, 10001, 10002, 10010, 20005.
TCP/UDP port finder.
1, 7, 20, 21, 22, 23, 25, 42, 43, 53, 69, 79, 80, 88, 106, 110, 111, 113, 115, 119, 123, 135, 137, 138, 139, 143, 161, 177, 194, 311, 379, 389, 427, 443, 445, 464, 465, 497, 514, 515, 532, 548, 554, 587, 600, 625, 631, 636, 660, 687, 749, 985, 993, 995, 1080, 1085, 1194, 1099, 1220, 1433, 1434, 1521, 1522, 1525, 1529, 1640, 1649, 1723, 1990, 1998, 2049, 2195, 2196, 2336, 3004, 3031, 3128, 3283, 3306, 3389, 3689, 4111, 4488, 5000, 5001, 5003, 5009, 5010, 5060, 5100, 5190, 5200, 5222, 5223, 5269, 5298, 5432, 5500, 5632, 5800, 5900, 5988, 6000, 7070, 7777, 8005, 8008, 8043, 8080, 8085, 8086, 8087, 8088, 8089, 8096, 8170, 8171, 8175, 8200, 8443, 8800, 8821, 8826, 8843, 8880, 8891, 9006, 9100, 10000, 10001, 10002, 10010, 20005.
TCP/UDP port finder.
