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34 lines
630 B
34 lines
630 B
4 years ago
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#!/usr/bin/env bash
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set -euo pipefail
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UMBREL_ROOT="$(readlink -f $(dirname "${BASH_SOURCE[0]}")/../../..)"
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check_root () {
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if [[ $UID != 0 ]]; then
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echo "This script must be run as root"
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exit 1
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fi
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}
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main () {
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check_root
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# Remove and then re-append iptables rule
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rule=(PREROUTING \
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--table nat \
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--proto tcp \
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--dport 80 \
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--jump REDIRECT \
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--to-port 8000)
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if iptables --delete ${rule[@]} 2> /dev/null; then
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echo "Removed existing iptables entry."
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else
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echo "No existing iptables entry found."
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fi
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iptables --append ${rule[@]}
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echo "Appended new iptables entry."
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}
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main
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