TCP UDP Ports: Difference between revisions
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Some common TCP and UDP port numbers, for a more complete list see http://www.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers | Some common TCP and UDP port numbers, for a more complete list see http://www.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers | ||
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! Port !! Transport !! Application !! Notes / Comments | ! Port !! Transport !! Application !! Notes / Comments | ||
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| 22 || TCP || [[Acronyms#S|SSH]] | | 22 || TCP || [[Acronyms#S|SSH]] | ||
|- | |- | ||
| 23 || TCP || Telnet | | 23 || TCP || [http://www.wikipedia.org/wiki/Telnet Telnet] | ||
|- | |- | ||
| 25 || TCP || [[Acronyms#S|SMTP]] | | 25 || TCP || [[Acronyms#S|SMTP]] | ||
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| 110 || TCP || POP3 | | 110 || TCP || POP3 | ||
|- | |- | ||
| 123 || TCP || NTP | | 123 || TCP || [[Acronyms#N|NTP]] | ||
|- | |- | ||
| 143 || TCP || [[Acronyms#I|IMAP]] | | 143 || TCP || [[Acronyms#I|IMAP]] | ||
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| 389 || TCP || [[Acronyms#L|LDAP]] | | 389 || TCP || [[Acronyms#L|LDAP]] | ||
|- | |- | ||
| 443 || TCP || [[Acronyms#H|HTTPS]] || [[Acronyms#H|HTTP]] over SSL or TLS | | 443 || TCP || [[Acronyms#H|HTTPS]] || [[Acronyms#H|HTTP]] over [[Acronyms#S|SSL]] or [[Acronyms#T|TLS]] | ||
|- | |- | ||
| 445 || TCP || [[Acronyms#S|SMB]] | | 445 || TCP || [[Acronyms#S|SMB]] | ||
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| 3260 || TCP || iSCSI | | 3260 || TCP || iSCSI | ||
|- | |- | ||
| 3306 || TCP || MySQL | | 3306 || TCP || [http://www.mysql.com/ MySQL] | ||
|- | |- | ||
| 3389 || TCP || [[Acronyms#R|RDP]] | | 3389 || TCP || [[Acronyms#R|RDP]] | ||
Revision as of 08:50, 20 April 2012
Some common TCP and UDP port numbers, for a more complete list see http://www.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers
| Port | Transport | Application | Notes / Comments |
|---|---|---|---|
| 20 | TCP | FTP | Data transfer |
| 21 | TCP | FTP | Control |
| 22 | TCP | SSH | |
| 23 | TCP | Telnet | |
| 25 | TCP | SMTP | |
| 53 | UDP | DNS | |
| 67 | UDP | DHCP | |
| 80 | TCP | HTTP | |
| 110 | TCP | POP3 | |
| 123 | TCP | NTP | |
| 143 | TCP | IMAP | |
| 161 | UDP ** | SNMP | Gets (polling), initiated to managed device |
| 162 | UDP ** | SNMP | Traps, initiated from managed device |
| 389 | TCP | LDAP | |
| 443 | TCP | HTTPS | HTTP over SSL or TLS |
| 445 | TCP | SMB | |
| 514 | UDP ** | Syslog | |
| 903 | TCP | VMware | VM remote console on ESX host |
| 989 | TCP | FTPS | FTP data over SSL or TLS |
| 990 | TCP | FTPS | FTP control over SSL or TLS |
| 993 | TCP | IMAP | Over SSL |
| 1433 | TCP | MS SQL | |
| 3260 | TCP | iSCSI | |
| 3306 | TCP | MySQL | |
| 3389 | TCP | RDP | |
| 5900 | TCP | VNC | |
| 6501 | TCP | VMware | Auto Deploy |
| 6502 | TCP | VMware | Auto Deploy |
- UDP is the normal transport used for this protocol, but TCP can be used if you really want to (and your applications support it). In general there is good reason to use UDP over TCP, and you should leave well alone!