Port Numbers

FTP
58 and 59
21 and 22
365 and 367
16 and 17
SMTP
25
26
19
7
DNS
80
110
143
53
SSH
23
22
67
88
Telnet
119
143
23
21
HTTP
143
3389
80
443
DHCP
67 and 68
68 and 69
45 and 46
100 and 101
Kerberos
80
95
110
88
POP3
110
143
25
389
NNTP
67
119
53
443
NTP
25
123
76
321
IMAP
143
147
443
159
LDAP
388
154
389
456
HTTPS
110
469
389
443
RDP
3388
3389
475
125
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