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| This page lists the top issues reported by developers to Apple's Developer Technical Support group.
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Packet Trace
For information about taking a packet trace on Mac OS X, see Technical Q&A 1176 "Getting a Packet Trace". |
Dynamic TCP/IP
Technical Note 1145 "Living in a Dynamic TCP/IP Environment" includes many helpful hints about how to handle the dynamic TCP/IP environment that is common for Macintosh computers. |
Security
Many developers moving from traditional Mac OS to Mac OS X encounter
security restrictions on the new system. Specifically, a Mac OS X program must have special privileges in order to bind to a TCP or UDP
port less than 1024, to open a raw IP socket (for example, to send a
ping), or to access raw Ethernet packets. For general information about
security on Mac OS X, see the Security web page. In addition, the
following samples may be of interest.
- MoreAuthSample, for binding to low-numbered ports
- SimplePing, for implementing ping (on Mac OS X version 10.2 and later)
- BSDLLC Test, for sending and receiving raw Ethernet packets
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Primary Ethernet Address
Many developer need to determine the computer's primary Ethernet address, often for copy protection or licensing reasons. The GetPrimaryMACAddress sample shows how to do this.
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HTML Rendering
If you need to render HTML in a window (either Carbon or Cocoa), you should use Web Kit. |
Launch Services
Network developers often want to "launch" a URL so that it opens in the user's preferred Internet program (web browser, FTP client, mail software, and so on). The recommended way to do this is via Launch Services.
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