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[ENHANCEMENT] Add option to generate random port in private port range

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This commit is contained in:
Jebtrix 2018-05-28 17:43:23 -04:00
parent 56515f3515
commit 671945e889
1 changed files with 19 additions and 1 deletions
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20
openvpn-install.sh
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@ -218,7 +218,25 @@ else
read -p "IP address: " -e -i $IP IP read -p "IP address: " -e -i $IP IP
echo "" echo ""
echo "What port do you want for OpenVPN?" echo "What port do you want for OpenVPN?"
read -p "Port: " -e -i 1194 PORT echo " 1) Default: 1194"
echo " 2) Random"
echo " 3) Custom"
while [[ $PORT != "1" && $PORT != "2" && $PORT != "3" ]]; do
read -p "Port [1-3]: " -e -i 1 PORT
done
case $PORT in
1)
PORT="1194"
;;
2)
# Generate random number within private ports range
PORT=$(shuf -i49152-65535 -n1)
echo "Random Port: $PORT"
;;
3)
read -p "Custom Port: " -e -i 1194 PORT
;;
esac
# If $IP is a private IP address, the server must be behind NAT # If $IP is a private IP address, the server must be behind NAT
if echo "$IP" | grep -qE '^(10\.|172\.1[6789]\.|172\.2[0-9]\.|172\.3[01]\.|192\.168)'; then if echo "$IP" | grep -qE '^(10\.|172\.1[6789]\.|172\.2[0-9]\.|172\.3[01]\.|192\.168)'; then
echo "" echo ""