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Technical Q&As: Networking
Core Foundation provides support for the major networking protocols and services. Core Foundation defines several opaque types that correspond to Mach ports, message ports, BSD sockets, and URLs. Developers can use these objects to communicate between multiple threads and processes, and between computers over a network.

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Discovering all advertised Rendezvous service types (HTML)
QA1337: Explains how to discover all Rendezvous service types being advertised on the local network.
2004-06-01
Downloading through a proxy server in Mac OS X (HTML)
QA1296: Explains when downloading through a proxy server will work, and when it will fail.
2003-10-29
Getting a Packet Trace (HTML) ()
QA1176: Lists tools available for looking at the network packets on the wire.
2004-07-13
Getting the User and Computer Name (HTML)
QA1078: Describes how to get the user and computer name on Mac OS X.
2001-10-30
Rendezvous enforces the TXT record format in Panther (HTML)
QA1306: Explains how mDNSResponder enforces the proper TXT record format in Panther.
2004-07-14
Resolves may return an IPv6 address in Panther (HTML)
QA1298: Explains why you get an IP address of 0.0.0.0 when resolving a Rendezvous service.
2005-01-10
T_DATA_REQ vs M_DATA TPI Message Blocks (HTML) ()
NW42: Explains why OT passes data to a TPI module using M_DATA message blocks instead of M_PROTO+T_DATA_REQ.
1996-10-25
Updating the TXT record of a Rendezvous service (HTML)
QA1302: Explains how to update a Rendezvous TXT record while running on either Jaguar or Panther.
2004-07-14