| TCP | ||
|---|---|---|
| 80 | HTTP | |
| 443 | HTTPS | |
| 22 | SSH | |
| 21 | FTP | |
| 23 | Telnet | |
| 25 | SMTP | |
| 53 | DNS (between servers) | |
| 110 | POP3 | |
| 143 | IMAP | |
| 993 | ||
| 995 |
| UDP | ||
|---|---|---|
| 53 | DNS (between clients and servers) | |
| 67/68 | DHCP | Dynamic Host Configuration Protocol |
| 69 | TFTP | Trivial File Transfer Protocol |
| 161 | SNMP |
| TCP | ||
|---|---|---|
| 80 | HTTP | |
| 443 | HTTPS | |
| 22 | SSH | |
| 21 | FTP | |
| 23 | Telnet | |
| 25 | SMTP | |
| 53 | DNS (between servers) | |
| 110 | POP3 | |
| 143 | IMAP | |
| 993 | ||
| 995 |
| UDP | ||
|---|---|---|
| 53 | DNS (between clients and servers) | |
| 67/68 | DHCP | Dynamic Host Configuration Protocol |
| 69 | TFTP | Trivial File Transfer Protocol |
| 161 | SNMP |