Created
December 17, 2013 15:21
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Block port except via localhost. Optionally, pass `-D` as second argument to remove the block.
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| #/bin/bash | |
| PORT=$1 | |
| ACTION=${2:-"-A"} | |
| iptables $ACTION INPUT -p tcp -s localhost --dport $PORT -j ACCEPT | |
| iptables $ACTION INPUT -p tcp --dport $PORT -j DROP |
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