Appendix E. Service Ports
The table below lists some of the more common TCP and UDP ser- vice ports.
Port | Service |
|
|
20 | |
|
|
21 | FTP |
|
|
23 | Telnet, Internet BBS |
|
|
25 | SMTP, Send mail |
|
|
53 | DNS |
|
|
67 | BOOTP bootstrap protocol |
|
|
79 | finger |
|
|
80 | HTTP, worldwide web |
|
|
110 | POP3, receive mail |
|
|
113 | Auth, authentication |
|
|
119 | NNTP, net news |
|
|
161 | SNMP, network management |
|
|
162 | |
|
|
443 | HTTPS, secure worldwide web |
|
|
517 | TALK |
|
|
518 | NTALK |
|
|
1723 | PPTP, Microsoft VPN (virtual private network) |
|
|
2049 | NFS, Sun Network File System |
|
|
User’s Manual | 61 |
|
