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Accepted
sorin
Asked: 2010-09-23 03:20:16 +0800 CST

How to permanently redirect port 80 to 8080 on OS X?

  • 772

On OS X 10.6 you do not have iptables, so what is the full solution for this permanently redirect all request sent to port 80 to another port, like 8080?

It has to be persistent.

routing osx-snow-leopard

2 Answers

    • 12
  2. Best Answer

    Use ipfw as in @bindbn's answer. That's the general idea.

    Persistence:

    put your rules into a file :

    /etc/ipfw.conf

    add at the very top of your file

    flush

    Ensure that there are not leading or trailing whitespaces in any line.

    add to /Library/LaunchDaemons/com.yourdomain.ipfw.plist :

    <?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
  <dict>
    <key>Label</key>
    <string>com.yourdomain.ipfw</string>
    <key>Program</key>
    <string>/sbin/ipfw</string>
    <key>ProgramArguments</key>
    <array>
      <string>/sbin/ipfw</string>
      <string>-q</string>
      <string>/etc/ipfw.conf</string>
    </array>
    <key>RunAtLoad</key>
    <true/>
  </dict>
</plist>

    Either reboot, or 

    launchctl load -w /Library/LaunchDaemons/com.yourdomain.ipfw.plist

    the first time.

    After that it is 

    launchctl load com.yourdomain.ipfw
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