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portforwarding.md

Port Forwarding in Mavericks

Since Mavericks stopped using the deprecated ipfw (as of Mountain Lion), we'll be using pf to allow port forwarding.

####1. anchor file Create an anchor file somewhere with your redirection rule like:

rdr pass on lo0 inet proto tcp from any to 127.0.0.1 port 80 -> 127.0.0.1 port 5000

####2. config file Create a config file somewhere to load the anchor file:

rdr-anchor "forwarding"
load anchor "forwarding" from "/path/to/<anchor file>"

####3. test the configuration file

sudo pfctl -vnf /path/to/<config file>

####4. load the configuration file

sudo pfctl -evf /path/to/<config file>
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