Appendix B: Common Port Numbers
Port Number | Service Name |
7 | Echo |
11 | Systat |
19 | Chargen |
20 (21) | FTP |
|
|
23 | TELNET |
25 | SMTP |
37 | Time |
|
|
49 | TACACS |
|
|
53 | DNS |
67(68) | BOOTP |
69 | TFTP |
70 | Gopher |
|
|
79 | Finger |
|
|
80 | HTTP(WEB) |
88 | Kerberos |
109 | POP2 |
110 | POP3 |
113 | AUTH |
118 | SQLServ |
119 | News/NNTP |
123 | NTP |
137(138)(139) | |
| |
| |
|
|
143 | IMAP2 |
161(162) | SNMP (SNMPT RAP) |
220 | IMAP3 |
389 | LDAP |
|
|
443 | HTTPS |
|
|
514 | SYSLOG |
546(547) | DHCP Client (DHCP |
| Server) |
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