Common Macintosh TCP & UDP Port Assignments

File Transfer Protocol (FTP)
Remote Login (ssh)
Telnet
Simple Mail Transfer Protocol (SMTP)
Windows Internet Naming Service (WINS)
Personal Web Sharing (HTTP)
Post Office Protocol (POP)
Remote Procedure Call (RPC)
Authentication (AUTH)
Network News Transfer Protocol (NNTP)
RPC endpoint mapper
Windows Name Service
Windows Sharing (SMB)
Internet Message Access Protocol (IMAP)
AirPort Admin
Mac OS X Server Admin
Lightweight Directory Access Protocol (LDAP)
Timbuktu
Service Location Protocol (SLP)
Secure Sockets Layer (SSL)
Windows Sharing (SMB)
Retrospect Backup
First Class Server
Line Printer Daemon Protocol (LPR)
Personal File Sharing (AFP)
RTSP (QuickTime)
Alternate SMTP
FileMaker Web Companion
Mac OS X Server
Printer Sharing (IPP)
Mac OS X Server Admin
Mac OS X Server Monitor

KaZaA sharing
QuickTime Streaming Server Admin
QuickDNS Central
QuickDNS Remote
Timbuktu (old versions)
TiVo Desktop

Now Up-to-date Server
Apple Remote Desktop (reporting)
MySQL
Mac OS X Server
iTunes Music Sharing (DAAP)
Xgrid
EIMS Admin
Neon Responder
FileMaker Pro
AirPort Admin
Camera Sharing
AOL Instant Messenger
Jabber Instant Messaging
iChat/Bonjour
PCanywhere
Virtual Network Computing (VNC)
VNC
Apple Remote Desktop VNC
VNC
Apple Remote Desktop (WBEM)
Gnutella/LimeWire sharing
Internet Relay Chat (IRC)
Napster (original)
BitTorrent sharing
SubEthaEdit
RTSP (QuickTime)
TiVo Desktop
iPhoto Photo Sharing (DPAP)
WebSTAR V Admin
Palm HotSync
4D Server
Mac OS X Web Server
FileMaker 7 Server
FileMaker 7 Helper Server
Domain Name System (DNS)
Dynamic Host Configuration Protocol (DHCP)
Kerberos
Date & Time (NTP)
Windows Datagram Service
Simple Network Management Protocol (SNMP)
Mac OS X Server Serial Number
Network File Server (NFS)
Microsoft Office
Apple Remote Desktop
iChat (SIP)
iChat/Bonjour
Bonjour (Rendezvous)
QuickTime
iChat