Client
Access Ports Needed for
Internet Connectivity
|
PORT |
Use |
Description |
Required |
|
21 |
FTP |
FTP |
Yes, for file transfer |
|
23 |
Telnet |
Telnet |
YES |
|
25 |
|
SMTP – Mail Server |
Yes, for Mail Server |
|
110 |
|
POP – Post Office Protocol |
Yes, for retrieving mail |
|
446 |
Telnet |
OLEDB-DRDA/DDM |
No, but needed |
|
449 |
Telnet |
Server Mapper |
YES |
|
8470 |
Telnet |
License Management |
YES |
|
8471 |
Telnet |
Database Access |
YES |
|
8472 |
Telnet |
Data Queues |
No, but needed |
|
8473 |
Telnet |
Network Drives |
YES |
|
8474 |
Telnet |
Network Printers |
YES |
|
8475 |
Telnet |
Remote Command |
No, but needed |
|
8476 |
Telnet |
Password Verification |
YES |
|
8477 |
Telnet |
Network Drives |
No, but needed |
|
8478 |
Telnet |
File Transfer |
No, but needed |
|
8479 |
Telnet |
Virtual Print |
No, but needed |