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OS X Redirect ports 80 and 443 to 8080 and 8443 respectively

Changes with .dev domains in mind.

Create /etc/pf.anchors/dev, containing:

rdr pass inet proto tcp from any to any port 80 -> 127.0.0.1 port 8080
rdr pass inet proto tcp from any to any port 443 -> 127.0.0.1 port 8443

Edit /etc/pf.conf. After rdr-anchor "com.apple/*" insert rdr-anchor "dev" (on its own line). After load anchor "com.apple" from "/etc/pf.anchors/com.apple" insert load anchor "dev" from "/etc/pf.anchors/dev" (again on its own line). It'll look something like this:

scrub-anchor "com.apple/*"
nat-anchor "com.apple/*"
rdr-anchor "com.apple/*"
rdr-anchor "dev"
dummynet-anchor "com.apple/*"
anchor "com.apple/*"
load anchor "com.apple" from "/etc/pf.anchors/com.apple"
load anchor "dev" from "/etc/pf.anchors/dev"

Test the config:

sudo pfctl -v -n -f /etc/pf.conf

Then reload:

sudo pfctl -ef /etc/pf.conf
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