Here you can find some of the frequently used ports in mac used by various applications/services. For more detailed information, please refer to detailed information about ports in this site (officialy listed by apple).
Port |
TCP/UDP |
Service |
TCP |
Post Office Protocol (POP3) |
|
TCP |
Identification Protocol |
|
TCP |
Secure File Transfer Program (SFTP) |
|
TCP |
Network News Transfer Protocol (NNTP) |
|
TCP/UDP |
Network Time Protocol (NTP) |
|
UDP |
Windows Internet Naming Service (WINS) |
|
UDP |
NETBIOS datagram |
|
TCP |
SMB Server Message Block |
|
TCP |
Internet Message Access Protocol (IMAP) |
|
UDP |
Simple Network Management Protocol (SNMP) |
|
TCP |
IP Failover |
|
TCP |
File Transport Protocol (FTP) |
|
TCP |
Secure Shell (SSH) |
|
TCP |
Telnet |
|
TCP |
Portable Home Directories |
|
TCP |
Simple Mail Transfer Protocol (SMTP) (Mobileme mail) |
|
TCP |
iSync |
|
TCP |
MySQL database |
|
TCP/UDP |
Simple Authentication and Security Layer (SASL) |
|
TCP |
Lightweight Directory Access Protocol (LDAP) |
|
TCP/UDP |
Service Location Protocol (SLP) |
|
TCP |
Secure Sockets Layer (SSL, or “HTTPS”) |
|
TCP |
shell |
|
UDP |
Syslog |
|
TCP/UDP |
Domain Name System (DNS) |
|
TCP |
netnews |
|
TCP |
Apple Filing Protocol (AFP) over TCP |
|
TCP/UDP |
Real Time Streaming Protocol (RTSP) |
|
TCP |
Internet Printing Protocol (IPP) |
|
TCP |
Secure LDAP |
|
TCP |
MacOS Server Admin |
|
UDP |
Bootstrap Protocol Server (BootP, bootps) |
|
UDP |
Bootstrap Protocol Client (bootpc) |
|
TCP/UDP |
echo |
|
TCP |
iChat server file transfer proxy (unregistered use) |
|
TCP |
Finger |
|
TCP |
HTTP web service used by itunes, ical, software update, safari etc.. |
|
TCP |
Tomcat remote shutdown |
|
TCP |
iCal service |
|
TCP |
Apache web service alternate port for 80 |
|
TCP |
Wiki service |
|
TCP |
Software Update service |
|
TCP |
iCal service (SSL) |
|
TCP |
Address Book service |
|
TCP |
iTunes Radio streams |
|
TCP |
Address Book service (SSL) |
|
TCP |
Mail IMAP SSL |
|
TCP/UDP |
Mail POP SSL |